JP7802048B2 - Design support device, design support method, and design support program - Google Patents

Description

The present invention relates to a design support device, a design support method, and a design support program.

When designing a building, CAD (Computer-Aided Design) is used to realize Building Information Modeling (BIM), and CAD drawings such as 3D and 2D drawings that realize the building's BIM are created. A building's BIM is composed of various objects, including the structural framework (beams, columns, decks, etc.) that make up the building, as well as piping and various pieces of equipment. Each object is linked to various attribute information, such as information about its shape in three-dimensional space, material, dimensions, and location. Using CAD drawings that realize BIM makes it possible to utilize the information accumulated for each object that makes up the building throughout the building's lifecycle, from the various design stages (architectural design, structural design, and equipment design) to the construction stage and even the post-construction maintenance stage, enabling efficient work to be carried out at each stage.

For example, an architectural design and construction planning method has been proposed in which a base model, which is a three-dimensional model of a building, is generated, and multiple professionals, such as architectural designers, structural designers, equipment designers, and cost estimators, refer to the information obtained from the base model to generate three-dimensional functional models, and attribute information for each element of the building, determined from information regarding the client's requirements, is added to the base model (see, for example, Patent Document 1).

Japanese Patent Application Laid-Open No. 2012-230577

When creating CAD drawings of buildings using conventional BIM, the presence or absence of interference between real-world objects is checked, and if interference occurs, measures are taken to avoid the interference, such as changing the placement position of one of the objects or creating a through-hole in one object so that the other object can pass through the hole.

In various types of seismically isolated buildings, such as foundation-isolated buildings in which seismic isolation devices are installed in the foundation of the building, mid-story seismic isolation buildings in which seismic isolation devices are installed in the middle stories of the building, and roof-isolated buildings in which seismic isolation devices are installed between the building's frame and roof, the seismic isolation devices operate during an earthquake, causing the period of ground shaking to differ from the period of building shaking, allowing the seismic energy to be absorbed by the seismic isolation devices. Because the seismic isolation devices operate in this way, if there is an object within the operating range of the seismic isolation device that exists independently of the seismic isolation device (a relative displacement occurs between the seismic isolation device and the seismic isolation device when the seismic isolation device displaces), interference may occur between the object and the displacing seismic isolation device.

The present invention has been made in consideration of the above-mentioned problems, and aims to provide a design support device, a design support method , and a design support program that can take into account the operating range of a seismic isolation device and interference with other objects when creating CAD drawings of a building that has a seismic isolation device.

In order to achieve the above object, one aspect of the design support device according to the present invention comprises:
A design support device that creates CAD drawings based on a BIM model of a building having a plurality of objects including attribute information,
the design support device has at least a storage unit, a determination unit, and a display unit;
the storage unit stores a seismic isolation device as one of the objects, and stores an operating range of the seismic isolation device as the attribute information related to the seismic isolation device;
When the determination unit determines that another object will interfere with the working area, an error is displayed on the display unit.

Furthermore, one aspect of the design support system according to the present invention is
a plurality of user terminals each including the design support device and a communication device;
The system is characterized by having a shared server to which multiple user terminals are communicatively connected via a network and which stores data related to the BIM model.

Furthermore, one aspect of the design support method according to the present invention is to
A design support method for creating a CAD drawing based on a BIM model of a building having a plurality of objects including attribute information, comprising:
a storage step of storing a seismic isolation device as one of the objects and storing an operating area of the seismic isolation device as the attribute information related to the seismic isolation device;
a determination step of determining whether or not there is interference between the working area and another object;
The method further comprises a display step of displaying an error on a display unit when it is determined in the determination step that the other object will interfere with the working area.

Furthermore, one aspect of the design support program according to the present invention is
A design support program for creating CAD drawings based on a BIM model of a building having a plurality of objects including attribute information,
a storage step of storing a seismic isolation device as one of the objects and storing an operating area of the seismic isolation device as the attribute information related to the seismic isolation device;
a determination step of determining whether or not there is interference between the working area and another object;
and a display step of displaying an error on a display unit when it is determined in the determination step that the other object will interfere with the working area.

As can be understood from the above explanation, the design support device, design support method, and design support program according to the present invention make it possible to take into account the operating range of the seismic isolation device and interference with other objects when creating CAD drawings of a building equipped with a seismic isolation device.

1 is a diagram illustrating an example of the overall configuration of a design support system according to an embodiment. FIG. 1 is a diagram illustrating an example of a hardware configuration of a user terminal including a design support apparatus according to an embodiment. FIG. 2 illustrates an example of a hardware configuration of a shared server. FIG. 2 is a diagram illustrating an example of a functional configuration of a design support apparatus. FIG. 2 is a diagram illustrating an example of a data configuration used in the design support system. FIG. 10 is a diagram illustrating an example of price list data. FIG. 10 is a diagram illustrating an example of cost data. FIG. 10 is a diagram illustrating an example of CAD data. FIG. 10 is a diagram showing an example of attribute information of a seismic isolation device. FIG. 2 is a diagram illustrating an example of construction plan data. 3 is a flowchart illustrating an example of a design support method according to the first embodiment. FIG. 10 is a side view showing an example of a seismic isolation layer between a base body and an upper body. 10 is a flowchart illustrating an example of a design support method according to a second embodiment. 1A to 1C are diagrams showing various examples of seismic isolation piping. FIG. 10 is a perspective view showing an example of cable installation in a seismic isolation layer. 10 is a flowchart illustrating an example of a design support method according to a third embodiment. 1A and 1B are diagrams showing an operating area of an example of flexible piping, in which (a) is a plan view, (b) is a view taken in the direction of an arrow b in (a), and (c) is a view taken in the direction of an arrow c in (a). 10A and 10B are diagrams showing the operating area of another example of flexible piping, in which FIG. 10A is a side view and FIG. 10B is a view taken in the direction of the arrow b in FIG. 10A and 10B are diagrams showing the operating range of yet another example of flexible piping, in which FIG. 10A is a side view and FIG. 10B is a view taken in the direction of the arrow b in FIG. 10A and 10B are diagrams showing the operating range of yet another example of flexible piping, in which FIG. 10A is a side view and FIG. 10B is a view taken in the direction of the arrow b in FIG. 10 is a flowchart illustrating an example of a design support method according to a fourth embodiment. FIG. 10 is a diagram illustrating an example of a constraint. FIG. 10 is a diagram illustrating another example of constraints. FIG. 10 is a diagram illustrating yet another example of constraints.

Below, examples of a design support device, a design support system, a design support method, and a design support program according to embodiments will be described with reference to the accompanying drawings. Note that in this specification and drawings, substantially identical components may be designated by the same reference numerals to avoid redundant description.

[Design support system according to an embodiment]
First, an example of a design support system according to an embodiment will be described with reference to Fig. 1. Here, Fig. 1 is a diagram showing an example of the overall configuration of a design support system according to an embodiment.

The design support system 40 is formed by connecting user terminals 10 to the shared server 20 via the network 30 so that they can communicate with each other. The user terminals 10 include a structural design user terminal 10A, an equipment design user terminal 10B, etc., and may also include various other user terminals such as an estimation user terminal, a construction planning user terminal, and an actual construction user terminal (none of which are shown). They may also include equipment and material supply company terminals (not shown) owned by equipment and material supply companies, etc., with which users work collaboratively during the equipment design and construction planning stages.

Network 30 may be the Internet, a LAN (Local Area Network), or a VAN (Value Added Network), which may be constructed using wired communication, wireless communication, or mobile phone lines. The illustrated design support system 40 may be a closed network in which information is shared only within a single company, such as a manufacturer, or it may be an open network that allows information to be shared with external organizations.

The shared server 20 is formed by a workstation or personal computer, and receives and stores various information from the user terminal 10, etc. in response to various commands (requests) sent from the user terminal 10, etc., and transmits the various stored information to the user terminal 10, etc.

In addition to storing data, the shared server 20 may also be a cloud server that allows multiple users to share various application software.

The structural design user terminal 10A and the equipment design user terminal 10B are terminals used by the structural designer and the equipment designer, respectively, and are formed from a personal computer, tablet, etc.

The design support system 40 is a system in which a user terminal 10 creates CAD drawings based on a building BIM model, stores the created CAD drawings on a shared server 20, and allows each user to share the CAD drawings. Various data stored on the shared server 20 is also transmitted to the user terminal 10.

For example, a structural design user creates a three-dimensional model on the structural design user terminal 10A containing information about the shape in virtual three-dimensional space of multiple objects that make up a building, such as beams, columns, and walls, as well as information about materials, dimensions, placement locations, etc. (collectively referred to as "attribute information"), and stores the created BIM model of the building on the shared server 20. An equipment design user imports the BIM model of the building stored on the shared server 20 into the equipment design user terminal 10B, and can then install various pieces of equipment within the BIM model of the building on the equipment design user terminal 10B. The new BIM model created by the equipment design user incorporating piping and various pieces of equipment is stored on the shared server 20, and the structural design user can perform structural calculations again, as necessary, on the new BIM model with modified load conditions, etc., to check whether any specifications for objects such as beams and columns have changed.

[Design support device according to an embodiment]
Next, an example of a design support apparatus according to an embodiment will be described with reference to Fig. 2 and Fig. 4, and an example of a shared server will be described with reference to Fig. 3. Fig. 2 is a diagram showing an example of the hardware configuration of the design support apparatus, Fig. 3 is a diagram showing an example of the hardware configuration of the shared server, and Fig. 4 is a diagram showing an example of the functional configuration of the design support apparatus.

As shown in FIG. 2, the user terminal 10, which is formed by a personal computer, has a design support device 50 and a communication device 512. The design support device 50 has a CPU (Central Processing Unit) 502, NVRAM (Non-Volatile RAM) 504, RAM (Random Access Memory) 506, ROM (Read Only Memory) 508, and HDD (Hard Disc Drive) 510, etc., and each part is connected via a bus so that data can be sent and received.

ROM 508 stores various programs and data used by the programs. RAM 506 is used as a storage area for loading programs and as a work area for the loaded programs. CPU 502 performs various functions by processing the programs loaded into RAM 506. HDD 510 stores programs and various data used by the programs. NVRAM 504 stores various setting information, etc.

The communication device 512 is a device that communicates with the shared server 20, and functions as a receiver that receives various data and signals transmitted from the shared server 20, and also functions as a transmitter that transmits various data and signals from the design support device 50 to the shared server 20 in response to commands from the CPU 502.

As shown in FIG. 3, the shared server 20, which is formed by a workstation or personal computer, has a CPU 202, NVRAM 204, RAM 206, ROM 208, HDD 210, and a communication device 212, and each component is connected via a bus to allow data transmission and reception. The communication device 221 is a device that communicates with the user terminal 10, etc., and functions as a receiving unit that receives various data and signals transmitted from the user terminal 10, and also functions as a transmitting unit that transmits various data and signals to the user terminal 10 in response to commands from the CPU 202.

Next, the functions of each unit of the design support device 50 will be explained with reference to Figures 5 to 10 in addition to Figure 4. Here, Figure 5 shows an example of the data structure used in the design support system.

As shown in FIG. 4, the design support device 50 has an input unit 520, a processing unit 530, a determination unit 540, a display unit 550, and a storage unit 560.

The input unit 520 is formed by a keyboard, mouse, touch panel, etc., and allows the user to input various data.

The processing unit 530 includes BIM software. For example, a structural design user uses the processing unit 530 to create a BIM model of a building based on a calculation model for which structural calculations have been performed in advance. Here, the structural calculations are performed in a structural calculation unit (not shown). The structural calculation unit includes commercially available structural calculation software. The calculation model (non-BIM model) used in this structural calculation is converted into a BIM model in a conversion unit (not shown) that connects the structural calculation software and the BIM software, thereby creating a BIM model after structural calculations. The user can create CAD drawings based on the BIM model by operating the input unit 520. CAD drawings based on the BIM model include three-dimensional drawings viewed from various angles, as well as floor plans (including floor plans), elevations (including frame drawings), and equipment design drawings for each floor.

The storage unit 560 stores various data input via the input unit 520 and various data received from the shared server 20. An example of the data structure stored in the storage unit 560 is shown in Figure 5.

The storage unit 560 stores, for example, design data D01, construction data D02, and operation data D03.
, Library data D04, Price list data D05, Specification data D06, Equipment data D0
7, and attribute information data D08, etc. are input.

As shown in Figure 5, design data D01, construction data D02, and operation data D03 include data created by each user on their own user terminal, such as "design," "structure," "air conditioning," "sanitary," and "electricity." For example, the "design" data in design data D01 includes data related to blueprints and other aspects of the building design created by a building design user.

The library data D04 includes, for example, data on the "shape" in virtual three-dimensional space of the multiple objects that make up a building, such as beams, columns, and walls, as well as data on "attributes" such as material, dimensions, and placement position. In this specification, "attribute information" includes various information about objects, and information about "shape" may also be considered to be included in "attributes."

Price list data D05 includes data indicating the prices of various objects (materials such as beams, columns, walls, and floor slabs, as well as equipment such as piping and various devices) procured during the construction of a building. For example, Figure 6 is a diagram showing an example of price list data. As shown in the figure, prices for each object, such as "Object 1," "Object 2," and "Object 3," are entered corresponding to the object name, etc., and stored in storage unit 560. Note that multiple prices may be entered for the same object, as in the case of "Object 2" shown in the figure. For example, even for the same object, prices may differ due to differences in supplier sources or purchasing conditions such as bulk purchases. Therefore, multiple prices may be entered for a single object, as in the case of "Object 2" shown in the figure, in price list data D05.

Specification data D06 and equipment data D07 contain data regarding the specifications of objects such as equipment and parts to be installed in the building.

The attribute information data D08 includes, for example, data indicating various settings for the BIM model and attribute information for various objects. Specifically, as shown in the figure, it includes information related to various attributes, such as "Properties (various settings)," "ID (Identification)," "Source file name," "Project information," "Block name," "Plan name," "Dimensions," "Installation date," "Installation conditions such as temperature," "Area information (area type and area name, etc.)," "Material information such as inclusions," "Type parameters," and "Work data."

Information such as specifications for each object that makes up the building, and for each object such as equipment and parts, is stored in the storage unit 560 in the form of document data D10, skeleton data D11, table data D12, etc.

A BIM model is composed of at least CAD data D13 and attribute information data D08. When using a BIM model, other data such as document data D10, skeleton data D11, or table data D12 may be referenced.

In addition, for example, cost data D09 is generated from price list data D05 and the like. For example, Figure 7 is a diagram showing an example of cost data. As shown in the figure, cost data D09 includes data used for cost calculations, for example, and the price of each object can be determined from price list data D05 and the like. Then, the quantity of each object used in the building can be determined from the BIM model. Furthermore, by calculating "price x quantity," the cost of each object, which is a breakdown of "material costs," can be determined.

By inputting design data D01, etc., CAD data D13, which is a design drawing, etc., is stored in the storage unit 560.

Figure 8 is a diagram showing an example of CAD data. The CAD data D13 shown in the figure shows 3D data related to the seismic isolation device IS that constitutes a seismically isolated building. Note that the CAD data D13 may also be 2D cross-sectional data formed by cutting the 3D data at various planes, or 2D data obtained by viewing the CAD data D13 from the front, top, side, and bottom.

The design support device 50 according to the embodiment is a design support device that creates CAD drawings based on BIM models of buildings, primarily seismically isolated buildings equipped with seismic isolation devices IS. These seismically isolated buildings include various types of seismically isolated buildings, such as base-isolated buildings in which seismic isolation devices are installed in the foundation of the building, mid-story seismically isolated buildings in which seismic isolation devices are installed in the middle stories of the building, and roof-isolated buildings in which seismic isolation devices are installed between the building frame and the roof.

The illustrated seismic isolation device IS is a lead-plug laminated rubber bearing, consisting of alternately laminated and vulcanized rubber plates (RP) and steel plates (SP), with lead plugs embedded within. This seismic isolation device is specified as having a maximum displacement of δ during a major earthquake, such as a level 2 or level 3 earthquake. The seismic isolation device may also be an elastic sliding device, consisting of a sliding member in which a fluororesin sliding plate is attached to the steel plate at the bottom of a vulcanized rubber laminate consisting of alternately laminated and vulcanized rubber plates, and a sliding mating member with a fluororesin coating on which the sliding member slides. It may also be a rolling seismic isolation device, consisting of a cross- or well-shaped rail in the lower structure, with multiple ball bearings housed within the rails, and the upper structure is supported by these multiple ball bearings. It may also be a spherical sliding device, consisting of an upper shoe and a lower shoe with a curved sliding surface, and a slider that slides between the upper shoe and the lower shoe. Furthermore, the seismic isolation device may have a built-in damper, or the damper may be installed separately from the seismic isolation device (seismic isolation bearing) in the seismic isolation layer.

As shown in Figure 9, storage unit 560 stores attribute information for multiple seismic isolation devices with IDs IS1, IS2, and so on. For example, seismic isolation device IS1 is a seismic isolation device that constitutes a foundation-isolated building and is installed on the foundation, i.e., between the base frame (foundation) and the overlying frame (floor beams), and is specified to be installed at the intersection of X1 and Y1 streets in the foundation plan. It is also specified that it is circular in plan view and has an outer diameter of φ1000 mm.

Furthermore, the attribute information of the seismic isolation device includes information regarding its operating range, and in the attribute information shown in the example, the operating range of seismic isolation device IS1 is specified as an operating diameter of φ2000 mm, which is an additional 1000 mm added to the outer diameter. The seismic isolation device is introduced into a BIM model by a structural design user or facilities design user, and a BIM model of a seismically isolated building incorporating the seismic isolation device is created.

Based on the BIM model, for example, technical review data D14, construction plan data D15, and construction management data D16 are generated. As shown in FIG. 5, for example, estimate processing PS01, cost management processing PS02, and budget management processing PS03 are executed based on cost data D09. By executing these processes, the design support device 50 can create documents such as design documents FL1, invoices FL2, and estimates FL3. Specifically, based on estimate processing PS01, it can calculate the amounts to be written in invoices FL2 and estimates FL3, etc.

The cost management process PS02 calculates amounts used in cost management, such as variable costs and fixed costs, and calculates the amounts to be included in documents such as the design document FL1.

The budget management process PS03 calculates amounts and other data used to manage the budget. For example, it calculates estimated costs used when creating a budget and progress rates used for management under the percentage-of-completion method. In this way, the budget management process PS03 can calculate amounts and other data to be entered in the estimate FL3.

The technical study data D14 executes processes such as a heat and airflow simulation PS04, static pressure calculation, and head calculation PS05. The technical study data D14 also executes processes such as a placement simulation PS06 for mounting frames, steel materials, suspension and anchors, etc. The technical study data D14 also executes a sound simulation PS07 for noise, sound deadening, and sound insulation. The technical study data D14 also executes processes such as a calculation of air and water volume distribution, and a calculation of wind and water leakage volume PS08.

In this way, the technical study data D14 allows the design support device 50 to perform various simulations or scientific and technical calculations, and output simulation results, etc.

The construction plan data D15 can be used to create various plans, such as process plan PS09, safety plan PS10, artificial plan PS11, construction method plan PS12, delivery plan PS13, and trial run plan PS14. For example, Figure 10 shows an example of construction plan data.

As shown in the figure, the construction plan data D15 is data that shows schedules, etc., in the form of, for example, a so-called Gantt chart, and is data that shows the work schedule for the construction of a building. The construction plan data D15 is used to execute processes such as the process plan creation PS09, which creates a process plan based on the schedules of each process indicated by the construction plan data D15.

Similarly, safety plans for each process, personnel plans for each process, construction methods for each process, plans for bringing in equipment, and trial operation plans are prepared through processes such as safety plan preparation PS10, artificial plan preparation PS11, construction method plan preparation PS12, delivery plan preparation PS13, and trial operation plan preparation PS14.

Construction management data D16 is data used for various management purposes in the construction of a building. For example, at a construction site, progress, actual items, costs, etc. are managed. Of these, construction management data D16 is used, for example, when managing progress and actual items. Specifically, construction management data D16 executes processes such as progress management PS15, order and delivery management PS16, and inspection and record management PS17. For example, management tables, records, etc. are created through processes such as progress management PS15, order and delivery management PS16, and inspection and record management PS17.

The change data D17 is generated by performing operations to change the materials and equipment installed in a building in virtual reality (VR) displayed based on CAD data D13, etc. Specifically, when a building is designed and the design details are entered into CAD data D13, etc., the layout of the materials and equipment in the building is also entered into the CAD data D13. By displaying such CAD data D13 in VR, for example, it is possible to virtually display the completed appearance of the building. Therefore, even during the design stage, users can view the completed appearance of the building and the layout of the materials and equipment in the building in virtual space. In this way, using VR display to show a projected image of the completed building eliminates discrepancies between the building client and the designer, for example. Furthermore, if the layout of materials and equipment differs from the user's intention, the facility design user can view the VR display displayed by the VR display processing PS19 and perform operations to change the layout of the materials and equipment.

In this way, when an operation to change the placement of materials and equipment is input by the change operation reception process PS18, change data D17 is generated that indicates the operation content, i.e., the materials and equipment whose placement is being changed and the positions of the materials and equipment after the change. CAD data D13, etc. are then changed based on the change data D17. Other operations, such as "table output," which displays each piece of information in a table format, may also be performed. Furthermore, by converting the CAD data D13, "2D drawing output," which displays blueprints, etc. in 2D drawings, may also be performed. Furthermore, "information sharing with the site, etc.", which sends and receives each piece of information to a mobile device, etc., may also be performed. Furthermore, "input/output of production information," which sends and receives each piece of information used in the construction of a building, may also be performed.

Returning to Figure 4, the design support device 50 stores the various data described above in the storage unit 560. The storage unit 560 also stores attribute information, such as the example shown in Figure 9, relating to the base-isolated building that is the primary design target of the design support device 50.

The BIM model created in the processing unit 530 is stored in the storage unit 560 and displayed on the display unit 550. The display unit 550 has the function of displaying an operation screen for the user based on commands from the CPU 502, and is formed by a liquid crystal display (LCD) or the like.

The determination unit 540 determines whether or not there is interference between the operating area of the seismic isolation device and other objects. For example, when an equipment design user installs various pipes and equipment (corresponding to other objects) in the seismic isolation layer where the seismic isolation device is installed in a BIM model of a seismically isolated building created by a structural design user, the determination unit 540 determines whether or not there is interference between the other objects and the operating area of the seismic isolation device.

If the determination unit 540 determines that another object will interfere with the operating area of the seismic isolation device, an error is displayed on the display unit 550. This error display may include a lighted display, a display in capital letters, an audible warning such as a buzzer, or a combination of these.

If an error is displayed on the display unit 550, the facility design user should change the placement positions of other objects and review the installation positions to ensure that other objects do not interfere with the operating area of the seismic isolation device.

[Design Support Method According to First Embodiment]
Next, an example of the design support method according to the first embodiment will be described with reference to Fig. 11 and Fig. 12. Here, Fig. 11 is a flowchart showing an example of the design support method according to the first embodiment, and Fig. 12 is a side view showing an example of a seismic isolation layer between a base skeleton and an overlying skeleton.

At the start of the design support method according to the embodiment, it is assumed that a structural design user has performed structural calculations for a seismically isolated building, and that a BIM model for a seismically isolated building with specified seismic performance (in the illustrated example, a base-isolated building) has already been created based on the structural calculation results.

As shown in Figure 12, a base-isolated building has a base isolation layer SL between a base frame S1 that constitutes the foundation and an upper frame S2. A base isolation device IS fixed to the base frame S1 supports the upper frame S2. Note that there are multiple base isolation devices IS on the base isolation layer SL, and the illustrated example shows an enlarged view of one of the base isolation devices IS and its surroundings. In reality, for example, a base isolation device IS is attached to each of the grid points on X1 through Xn directions and the perpendicular Y1 through Yn directions in a foundation plan, etc. As shown in Figure 12, in the upper frame S2, which is composed of floor beams and the like, columns C and walls (not shown) are arranged directly above the base isolation device IS. The upper frame S2 refers to the entire building frame, including these floor beams, columns C, walls, etc.

As shown in Figure 12, various pipes for circulating fluids such as cold water and air are attached to the seismic isolation layer SL. The pipes shown and various equipment not shown are included in the objects of the BIM model for the seismically isolated building and are incorporated into the BIM model by the facility design user.

In Figure 12, the foundation-side frame R1 is fixed to the top surface of the base frame S1 with anchor bolts or the like (not shown), and the upper frame-side frame R2 is fixed to the underside of the upper frame S2 with anchor bolts or the like (not shown). By connecting straight pipes P and vent pipes BP (elbows) to each other with bolts, the desired linear piping (an example of a connecting member) is constructed, and by fixing portions of the piping to the foundation-side frame R1 and the upper frame-side frame R2, piping (a piping system) is installed spanning from the upper frame S2 to the base frame S1.

Here, flexible pipes FP1 and FP2 are interposed midway along the piping that makes up a seismically isolated building. They are able to deform freely and follow the deformation of the seismic isolation device IS, for example, when it deforms during a major earthquake. By having flexible pipes FP1 and FP2 interposed in appropriate locations along the piping, for example, if the base frame S1 vibrates significantly relative to the overlying frame S2 and the seismic isolation device IS deforms significantly due to this vibration, the entire piping can follow the deformation of the base frame S1, etc. without being damaged.

In the flowchart shown in Figure 11, additional objects such as pipes and various equipment are placed in the seismic isolation layer SL shown in Figure 12 (step S10).

When an object is placed in step S10, the determination unit 540 determines whether this object is located within the operating area of the seismic isolation device. As shown in Figure 12, the seismic isolation device IS has an operating area around it (in a 360-degree direction), and attribute information shown as an example in Figure 9 is stored in the storage unit 560 (storage process).

The determination unit 540 references the operating area included in the attribute information of the seismic isolation device IS stored in the storage unit 560 and determines whether the added object interferes with this operating area (step S12, determination process).

If the determination unit 540 determines that the added object does not interfere with the operating area of the seismic isolation device IS, the placement of the object is confirmed (step S14). On the other hand, if the added object is determined to interfere with the operating area of the seismic isolation device IS, an error message is displayed on the display unit 550 based on a command from the CPU 502 (step S16, display process).

If an error is displayed on the display unit 550, the equipment design user changes the placement position of the object and changes the installation position so that the object does not interfere with the operating area of the seismic isolation device IS (step S18). After the object is rearranged, step S12 is executed again, and if it is determined that the object does not interfere with the operating area of the seismic isolation device IS, the placement of the object is confirmed (step S14).

Note that the design support method shown in FIG. 11 is also a series of processing flows executed in the design support device 50, but the design support device 50 may also be formed by installing a program including this series of processing flows on a computer.

[Design Support Method According to Second Embodiment]
Next, an example of a design support method according to the second embodiment will be described with reference to Fig. 13 to Fig. 15. Fig. 13 is a flowchart showing an example of the design support method according to the second embodiment. Fig. 14 is a diagram showing various examples of seismic isolation piping, and Fig. 15 is a perspective view showing an example of cable installation in a seismic isolation layer.

The flowchart shown in Figure 13 is executed following the flowchart shown in Figure 11. In other words, the design support method according to the second embodiment is based on the design support method according to the first embodiment, and after it has been determined that the added object does not interfere with the operating area of the seismic isolation device IS, another determination is further performed.

Specifically, the determination unit 540 determines whether the added object is a connecting member (step S20). Here, a connecting member is a member such as a pipe that spans the base body S1 and the upper body S2. For example, when the determination unit 540 determines, based on the attribute information of the connecting member, that its installation position indicates part of the base body S1 and part of the upper body S2, that is, that it extends from part of the base body S1 to part of the upper body S2, the object is determined to be a connecting member.

If the added object is determined to be a connecting member, the determination unit 540 then determines whether the connecting member is a deformable member (step S22).

Here, Figure 14 shows various flexible pipes as examples of deformable members. In Figure 14, (A) shows a single horizontal, straight SUS flexible pipe FP11, a horizontally curved flexible rubber pipe FP12, and a vertically curved flexible rubber pipe FP13, all of which are shown fixed to the foundation-side frame R1 and the upper body-side frame R2. Here, "flexible pipe" includes flexible hoses, flexible joints, etc.

(B) shows a configuration in which a horizontal damper HD is attached to flexible piping FP14, which has a linear shape perpendicular to the horizontal direction. The horizontal damper HD prevents excessive deformation of the flexible piping FP14 in the horizontal direction and allows the deformation to converge quickly.

(C) shows a configuration in which a vertical damper VD is attached to flexible piping FP15, which has a linear shape perpendicular to the horizontal direction. The vertical damper HD prevents excessive deformation of the flexible piping FP14 in the vertical direction and quickly converges the deformation. It is also possible to attach both a horizontal damper HD and a vertical damper HD to flexible piping that extends horizontally or vertically.

Furthermore, (D) shows a single, vertical, straight flexible pipe made of stainless steel (FP16) and a vertically curved flexible pipe made of rubber (FP17).

As such, when the connecting member is a pipe (piping system), there are various ways in which the pipe can be a deformable member. Although not shown in the figure, the determination unit 540 determines the attribute information of the connecting member (object), such as the type of material (e.g., rubber or stainless steel), whether it is deformable, and whether it has a maximum deformation amount.

On the other hand, Figure 15 shows an example of installation when the connecting member is a cable. The seismic isolation layer SL shown in the figure has multiple cable racks CR suspended in the direction in which the cable CB extends, and the cable CB is disposed on each cable rack CR. An excess length EL is present midway along the cable CB, and this excess length EL prevents the cable CB from being damaged by excessive tension acting on the cable CB when the seismic isolation device IS deforms. Therefore, when the object that is the connecting member is a cable, the determination unit 540 determines whether or not the presence of an excess length EL and the length of the excess length EL are indicated as attribute information.

If the determination unit 540 determines that the connecting member is a deformable member, the design support method according to the embodiment ends. On the other hand, if the determination unit 540 does not determine that the connecting member is a deformable member, an error message is displayed on the display unit 550 based on a command from the CPU 502 (step S24).

Here, "when it cannot be confirmed that the connecting member is a deformable member" includes cases where the attribute information of the connecting member does not contain any information indicating that it is deformable, as in the example above, or when the authenticity of the existence of information indicating that it is deformable is unknown.

If an error is displayed on the display unit 550, the equipment design user checks the attribute information of the connecting component and, if necessary, adds information to the attribute information, such as the material type, a notation indicating that deformation is possible, the maximum deformation amount, and the length of the excess part (step S26).

The design support method shown in FIG. 13 (more specifically, the design support method shown in FIG. 13 following FIG. 11) is also a series of processing flows executed in the design support device 50, but the design support device 50 may also be formed by installing a program including this series of processing flows on a computer.

[Design Support Method According to Third Embodiment]
Next, an example of a design support method according to the third embodiment will be described with reference to Fig. 16 to Fig. 20. Fig. 16 is a flowchart showing an example of the design support method according to the third embodiment. Fig. 17 to Fig. 20 are diagrams showing operating regions of various flexible pipes.

The flowchart shown in FIG. 16 is executed following the flowchart shown in FIG. 11 or the flowchart shown in FIG. 13. The illustrated example shows a form executed following the flowchart shown in FIG. 11, and the design support method according to the third embodiment is a design support method that is based on the design support method according to the first embodiment, and performs another determination after it has been determined that the added object does not interfere with the operating range of the seismic isolation device IS. Note that the design support method according to the third embodiment may also be a design support method that is based on the design support method according to the first embodiment and then the design support method according to the second embodiment, and performs another determination after it has been determined that the added object does not interfere with the operating range of the seismic isolation device IS and further confirmed that the connecting member is a deformable member.

Specifically, the determination unit 540 determines whether the added object is present in the operating area of the connecting member (step S30).

As mentioned above, there are various types of flexible piping, and the operating range of the connecting member varies depending on the type.

All of the piping shown in Figures 17 to 20 is piping for circulating water, chilled water, cooling water, etc. First, the piping shown in Figure 17 consists of two flexible pipes FP20, FP21 connected via an elbow BP, which extend while bending horizontally. As shown in Figures 17(b) and 17(c), the piping is fixed at the top and bottom to the upper frame R2 and the foundation frame R1, respectively, and is suspended from the upper frame S2 by a vertical damper VD. The dashed-dotted line area in the plan views and two side views in Figures 17(a), (b), and (c) represents the operating range SP of the piping. The attribute information of the piping (piping system) consisting of the flexible pipes FP20, FP21 and the elbow BP includes information about this three-dimensional operating range SP, and the determination unit 540 can confirm this information about the operating range SP. In Figure 17, "L" is, for example, the length of the flexible piping, "A" can be set to, for example, the seismic isolation amount + outer diameter of the flanges connecting the piping x 0.5 + 100 mm, "B" can be set to, for example, the length of the flexible piping + the length of the vent pipe (elbow), and "C" can be set to, for example, the seismic isolation amount from the end of the flexible piping. Also, "H" can be set to, for example, the minimum piping installation height.

The piping shown in Figure 18 has elbows BP connected to the upper and lower ends of flexible SUS piping FP22 extending vertically, and a straight pipe P extending horizontally is connected to each elbow BP. Because the flexible piping FP22 can be deformed in any direction, as shown in Figure 18(b), which is a view taken in the direction of arrow b in Figure 18(a) and also a plan view, the flexible piping FP22 can follow the 360-degree movement of the foundation-side frame R1. Therefore, the operating area SP when viewed from the side is the triangular range shown in Figure 18(a), and the operating area SP when viewed in a plan view is a circular area with a diameter φD as shown in Figure 18(b).

The piping shown in Figure 19 has elbows BP connected to the upper and lower ends of curved flexible pipes FP23 made of rubber and extending vertically, and a straight pipe P extending horizontally is connected to each elbow BP. Because the flexible pipes FP23 can freely deform in any direction, as shown in Figure 19(b), which is a view taken in the direction of arrow b in Figure 19(a) and also a plan view, the flexible pipes FP23 can follow the 360-degree movement of the foundation-side frame R1. Therefore, the operating area SP when viewed from the side is the triangular range shown in Figure 19(a), and the operating area SP when viewed in a plan view is a circular area with a diameter φD as shown in Figure 19(b).

Furthermore, the piping shown in Figure 20 has a U-shaped flexible piping FP24 extending horizontally, to both ends of which a straight pipe P extending horizontally, an elbow BP, and a straight pipe P extending vertically are connected. As shown in Figure 20(b), when the base body S1 and the upper body S2 vibrate so as to move closer and farther apart in the vertical direction, the flexible piping FP24 contracts, for example, by a width M in the vertical direction and simultaneously expands by a width M/2 in the horizontal direction; the operating range is set taking these factors into consideration.

In this way, information about the operating area according to the applicable piping (or piping system) is recorded as its attribute information.

Returning to Figure 16, in the flowchart shown in Figure 16, for example, when additional objects such as pipes or various equipment are placed in the seismic isolation layer SL shown in Figure 12, the determination unit 540 determines whether or not this object is located within the operating area of an already installed connecting member (e.g., pipes).

The determination unit 540 references the operating area included in the attribute information of the piping (or piping system) stored in the storage unit 560 and determines whether the added object interferes with this operating area (step S30).

If the determination unit 540 determines that the added object will not interfere with the operating area of an already installed connecting member, the placement of the object is confirmed (step S32). On the other hand, if it determines that the added object will interfere with the operating area of an already installed connecting member, an error message is displayed on the display unit 550 based on a command from the CPU 502 (step S34).

If an error is displayed on the display unit 550, the facility design user changes the placement position of the object so that the object does not interfere with the operating area of the already installed connecting member (step S36). After the object is rearranged, step S30 is executed again, and if it is determined that the object does not interfere with the operating area of the already installed connecting member, the placement of the object is confirmed (step S32).

The design support method shown in FIG. 16 (more specifically, the design support method shown in FIG. 16 following FIG. 11, and the design support method shown in FIG. 16 following FIG. 11 and FIG. 13) is also a series of processing flows executed in the design support device 50, but the design support device 50 may also be formed by installing a program including this series of processing flows in a computer.

[Design Support Method According to Fourth Embodiment]
Next, an example of a design support method according to the fourth embodiment will be described with reference to Fig. 21 to Fig. 24. Fig. 21 is a flowchart showing an example of the design support method according to the fourth embodiment. Fig. 22 to Fig. 24 are diagrams showing examples of various constraints.

The flowchart shown in Figure 21 is executed following the flowchart shown in Figure 11. In other words, the design support method according to the fourth embodiment is based on the design support method according to the first embodiment, and after it has been determined that the added object does not interfere with the operating area of the seismic isolation device IS, another determination is further performed.

Specifically, the determination unit 540 determines whether the distance between the added object and an adjacent object is less than the minimum distance (step S40).

As shown in Figure 22, two pipes, one pipe P10 and the other pipe 20, are placed at a distance from each other. The minimum distance between the pipes is set based on various constraints. These conditions include regulations (such as the Fire Service Act), space for installing moisture-retaining material, connection locations to other equipment, and company rules. The minimum distance between the pipes is also described in the attribute information of the pipes, and the determination unit 540 can confirm this attribute information.

For example, as shown in Figure 22 (A), if a separation distance DS1 equal to or greater than the minimum separation distance is maintained between pipe P10 and pipe 20, the determination unit 540 determines that the separation distance between the added object and the adjacent object is equal to or greater than the minimum separation distance, and the placement of the added object is confirmed (step S42).

On the other hand, as shown in Figure 22 (B), if the distance DS2 between pipes P10 and P20 is less than the minimum distance, the determination unit 540 determines that the distance between the added object and the adjacent object is less than the minimum distance, and an error message is displayed on the display unit 550 based on a command from the CPU 502 (step S44). Note that in Figure 22 (B), a warning message ME is displayed stating that the "distance violates the rules."

If an error is displayed on the display unit 550, the equipment design user changes the placement position of the object so that the distance between the object and the already installed object is equal to or greater than the minimum distance (step S46). After the object is rearranged, step S40 is executed again, and if it is determined that the distance between the object and the already installed object is equal to or greater than the minimum distance, the placement of the object is confirmed (step S42).

The design support method shown in FIG. 21 (more specifically, the design support method shown in FIG. 21 following FIG. 11) is also a series of processing flows executed in the design support device 50, but the design support device 50 may also be formed by installing a program including this series of processing flows on a computer.

Constraint conditions may also be set as shown in Figures 23 and 24. The constraint example shown in Figure 23 is an example in which a GUI (Graphical User Interface) for changing the type of duct as shown is displayed when a duct is selected as the target for change and resizing is selected. In other words, the GUI is a settings screen PSET or the like that allows various specifications for the duct to be changed. Specifically, the settings screen PSET is configured by providing so-called pull-down menus or the like for each parameter that can be set.

In the example of the setting screen PSET shown in the figure, it is possible to select the shape, etc., such as "round duct". Similarly, in the example of the setting screen PSET shown in the figure, it is possible to select the type, etc., such as "air supply duct". Furthermore, in the example of the setting screen PSET shown in the figure, it is possible to select the volume of fluid to be sent per unit time, such as "1,100 ^m3 /h". Furthermore, in the example of the setting screen PSET shown in the figure, it is possible to select the size, etc., such as "300". Note that the types, etc. that can be set are not limited to the examples shown in the figures.

Next, referring to Figure 23, a pull-down menu PL1, which is an example of a GUI for selecting "size," will be described. In this example, first, assume that a rule stipulates that the unit pressure loss for duct installation must be 1.0 Pa/m or less. Based on this rule, sizes less than "300" violate the rule. In such a case, the pull-down menu PL1 is configured so that sizes less than "300" cannot be selected. In other words, as a result of the rule check, sizes less than "300" are determined to violate the rule. By reflecting this check result, even if sizes less than "300" are available, they are not displayed in the menu as shown. In this way, by reflecting the rule check result in the GUI, etc., the user is prevented from making changes that violate the rules.

The example constraint shown in Figure 24, like Figure 23, is an example based on the duct installation rule, in which sizes less than "300" violate the rule. However, the method of reflecting the check results differs from that shown in Figure 23; as shown, this example constraint uses color coding to indicate sizes that violate the rule. As shown, sizes less than "300" (200 and 250) are displayed in a different color from sizes equal to or greater than "300." By distinguishing sizes that violate the rule using color coding, the user can easily identify changes that violate the rule. Note that when multiple rules are set, the check results may also differ. For example, a check result for one rule may indicate that a size of "200" violates the rule (hereinafter referred to as the "first check result"), while a check result for another rule may indicate that a size of "250" violates the rule (hereinafter referred to as the "second check result"). When the check results differ for each rule, the check results may be displayed in different colors, as shown in the figure.

In the illustrated example, the first check result is displayed in a first color C1, and the second check result is displayed in a second color C2. As in this example, by color-coding each check result with the first color C1 or the second color C2, it is clear that the violation was determined based on different rules. Note that the restriction method is not limited to color-coding items that violate the rules as shown in the illustration; for example, when an item that violates a rule is selected, an error may be displayed, or the item that violates the rule may be highlighted, hatched, or grayed out.

Note that other embodiments may be possible in which other components are combined with the configurations described in the above embodiments, and the present invention is in no way limited to the configurations shown here. In this regard, changes can be made without departing from the spirit of the present invention, and can be determined appropriately depending on the application form.

10: User terminal 10A: Structural design user terminal 10B: Equipment design user terminal 20: Shared server 30: Network 40: Design support system 50: Design support device 520: Input unit 530: Processing unit 540: Determination unit 550: Display unit 560: Storage unit IS: Seismic isolation device S1: Base frame (foundation)
S2: Upper frame (floor beam)
SL: Seismic isolation layer FP1, FP2: Flexible piping (connecting member)
FP11 to FP24: Flexible piping (connecting member)
R1: Foundation side frame R2: Upper frame side frame HD: Horizontal damper VD: Vertical damper CB: Cable (connecting member)
EL: Extra length

Claims (3)

A design support device that creates drawings based on a three-dimensional model of a building having a plurality of objects,
the design support device has at least a storage unit, a determination unit, and a display unit;
The storage unit stores, as the objects, a seismic isolation device, a base frame supporting the seismic isolation device, an upper frame supported by the seismic isolation device, and a connecting member spanning the base frame and the upper frame, and stores the operating range of the seismic isolation device and the operating range of the connecting member in a manner that allows identification;
The determination unit
setting a rule that at least one object must be spaced apart by a predetermined amount or more, and determining whether the space between the at least one object violates the rule;
determining whether the at least one object interferes with the operating area of the seismic isolation device;
determining whether the at least one object interferes with the operating area of the connecting member that is not the seismic isolation device;
The design support device is characterized in that the display unit notifies that the rule is violated and that the at least one object interferes with the operating range of the seismic isolation device or the operating range of the connecting member. A design support method for creating drawings based on a three-dimensional model of a building having a plurality of objects, comprising:
a storage process for storing, as the object, a seismic isolation device, a base frame supporting the seismic isolation device, an upper frame supported by the seismic isolation device, and a connecting member spanning the base frame and the upper frame, and storing the operating range of the seismic isolation device and the operating range of the connecting member so as to be identifiable;
setting a rule that at least one object must be spaced apart by a predetermined amount or more, and determining whether the space between the at least one object violates the rule ;
determining whether the at least one object interferes with the operating area of the seismic isolation device;
a determining step of determining whether the at least one object interferes with an operating area of the connecting member that is not the seismic isolation device ;
A design support method characterized by comprising a display process for notifying that the rule is violated and that at least one object interferes with the operating range of the seismic isolation device or the operating range of the connecting member . A design support program for creating drawings based on a three-dimensional model of a building having a plurality of objects,
a storage process for storing, as the object, a seismic isolation device, a base frame supporting the seismic isolation device, an upper frame supported by the seismic isolation device, and a connecting member spanning the base frame and the upper frame, and storing the operating range of the seismic isolation device and the operating range of the connecting member so as to be identifiable;
setting a rule that at least one object must be spaced apart by a predetermined amount or more, and determining whether the space between the at least one object violates the rule ;
determining whether the at least one object interferes with the operating area of the seismic isolation device;
a determining step of determining whether the at least one object interferes with an operating area of the connecting member that is not the seismic isolation device ;
a display step of notifying the user that the rule is violated.