JP5280445B2 - Method for forming multiple horizontal structural members - Google Patents

Description

  The present invention relates to a construction method in which a multi-layer work is simultaneously performed by installing a vertical structural member using a sliding construction method and a horizontal structural member in reverse order from a middle layer to a building. More specifically, in the present invention, in constructing a building, the vertical structural member is constructed in advance by a sliding method, and the horizontal structural member supported by the constructed vertical structural member is separated from many intermediate points. By installing in reverse order, it is a new construction method that quickly shortens the installation time of horizontal structural members and builds buildings quickly.

  In general, the sliding method is mainly used when building concrete structures such as bridge piers, large chimneys, and silos, and the concrete form in the formwork is raised while raising the formwork with a certain form at a constant speed. By constructing a concrete structure by casting the concrete, the concrete is cast without disassembling, disassembling, or assembling the formwork from the lowest layer to the uppermost layer, thereby shortening the construction period and reducing material costs. It is a concrete construction method that can reduce construction costs.

  The concrete construction method using the sliding construction method constructs a wall, columnar or cylindrical structure in a short time at a low cost.

  In addition, the sliding construction method reduces material costs, labor costs, shortens the construction period, etc. by curing the concrete while raising it to a certain speed without disassembling or dismantling from the lowest layer to the top layer of the formwork for placing and curing concrete. Saves building costs.

  However, a general building having a horizontal structural member for each layer has a problem that a building cannot be quickly constructed by a sliding method alone due to the installation problem of the horizontal structural member.

  The present invention has been invented in order to solve such problems, and is to provide a method for forming a plurality of horizontal structural members that can reduce costs such as shortening the construction period and administrative costs by shortening the construction period. There is a purpose.

  In order to achieve such an object, the present invention includes a step of constructing a reinforced concrete vertical structural member in the process of raising a sliding form by a sliding method, and fixing one or more horizontal formwork frames to the equipment of the sliding method. And a step of installing a formwork frame support structure below a position where a horizontal structural member of one or more reinforced concrete is constructed on the constructed vertical structural member, and the sliding The horizontal formwork frame is separated and lowered with the equipment of the construction method, and the horizontal formwork frame is placed on the formwork frame support structure, and the horizontal structure frame is formed using the horizontal formwork frame. And the horizontal formwork frame is separated and lowered after the horizontal structural member is cured. Te method for forming a multiple horizontal structural members, characterized in that it comprises repeating the lower layer wherein the frame support structure which is positioned in the step of deferred once more.

  A plurality of horizontal formwork frames can be prepared vertically, and a plurality of horizontal formwork frames are separated into a plurality of layers and fixed, and then a horizontal structural member of reinforced concrete is formed. Then, each horizontal formwork frame can be separated from the horizontal structural member and repeated in the lower layer to form a horizontal structural member of reinforced concrete.

  In addition, a shelf for fixing a plurality of horizontal form frames may be used at the stage of fixing and separating the horizontal form frames from the above-described sliding method equipment.

  On the other hand, when the horizontal formwork frame is separated by the sliding construction equipment and lowered to the formwork frame support structure, or separated from the reinforced concrete horizontal structural member formed at the position of the horizontal formwork frame, its lower layer When it is lowered to the formwork frame support structure, it can be lowered by being suspended by a large number of cables, or a plurality of rails can be fixed to a vertical structure member and lowered along the rails.

  As described above, according to the present invention, by applying an inexpensive concrete construction method such as a sliding foam to a general building, there is an effect of cost reduction and construction period shortening.

  The sliding construction equipment can be reused more than 15 times, and the horizontal formwork frame can be reused more than 5 times.

  In addition, the horizontal form frame can be fixed using a shelf, and the horizontal form frame can be lowered to the form frame support structure using a number of cables and rails.

  FIG. 1 is a cross-sectional view showing an initial stage of progress according to the present invention.

  FIG. 2 is a cross-sectional view in which the first horizontal formwork frame is seated on the formwork frame support structure through the stage of FIG.

  FIG. 3 is a cross-sectional view in which a horizontal structural member is placed on the first horizontal form frame through the stage of FIG.

  FIG. 4 is a cross-sectional view in which a horizontal structural member is placed on a second horizontal form frame through the stage of FIG. 3.

  FIG. 5 is a cross-sectional view in which a horizontal structural member is driven on a third horizontal form frame through the stage of FIG.

  <Explanation of Symbols for Main Parts of Drawing>

  200: York 300: Hydraulic jack

  400: Work table 500: Sliding form

  700: Shelf 800: Horizontal formwork frame

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in adding reference numerals to components in each drawing, equal components are given as much as possible even if they are displayed on other drawings. Further, in the description of the present invention, when it is determined that a specific description of a known configuration or function related to the present invention can obscure the gist of the present invention, a detailed description thereof will be omitted.

  FIG. 1 is a cross-sectional view illustrating an initial progress stage according to the present invention, and FIG. 2 is a cross-sectional view in which the first horizontal formwork frame is seated on the formwork frame support structure through the stage of FIG. FIG. 3 is a cross-sectional view in which a horizontal structural member is placed on a first horizontal form frame through the stage of FIG. 2.

  The method for forming multiple horizontal structural members according to the present invention includes a first stage of constructing a reinforced concrete vertical structural member in a process in which a sliding foam is raised by a sliding construction method, and an apparatus for the sliding construction method after passing through the first stage. A second stage in which one or more sets of horizontal formwork frames are fixed and lifted together; and after passing through the second stage, one or more horizontal structural members of reinforced concrete are added to the constructed vertical structural member. A third stage in which a formwork frame support structure is installed at a lower part of the position to be constructed, and after passing through the third stage, the horizontal formwork frame is separated and lowered by the above-mentioned sliding method equipment to lower the formwork. A fourth stage in which the horizontal formwork frame is deferred on the frame support structure, and after the fourth stage, the horizontal formwork frame is used to A fifth step of forming the horizontal structural member of the cleat; and after the horizontal structural member is cured after the fifth step, the horizontal formwork frame is separated and lowered to be positioned in the lower layer Repeating the sixth step of deferring to the above-described formwork frame support structure.

  In the second stage in which the horizontal formwork frame is fixed to the sliding construction equipment and lifted together, a plurality of the above horizontal formwork frames are prepared vertically.

  Meanwhile, the first stage of constructing the reinforced concrete vertical structural member in the process of raising the sliding foam by the above sliding method will be described in detail as follows.

  In the first step, the sliding form 500 is prefabricated and assembled to prepare the work table 400, and the sliding form 500 is lifted by 3 m a day while placing concrete on the sliding form 500. It is.

  The equipment used in the sliding method includes a sliding foam 500, a work table 400 prepared perpendicular to the sliding foam 500, a hydraulic jack 300 positioned on the work table 400, and the hydraulic jack. The apparatus includes a yoke 200 prepared around 300 and a rod 100 connected to the yoke 200.

  The sliding foam 500 is an integrated formwork that can completely cover the reinforced concrete vertical structural member 900 formed by placing concrete, and is made of a tin and wax to reduce the frictional force of the concrete. Is used.

  The hydraulic jack 300 is a machine that raises the yoke 200 through the hydraulic piping, and is maintained at a level of 3 to 10 tons per unit by the automatic controller and the same length is increased.

  The yoke 200 is made of an H-shaped steel material or channel, and is a member for connecting the hydraulic jack 300, the sliding foam 500 and the work table 400. The rod 100 (Rod) has a diameter of about 32 mm and a length of about 34 m. All the loads transmitted from the yoke 200 are transmitted to the lower end of the reinforced concrete vertical structural member 900 by the round bar.

  After passing through the first step, the second step of fixing one or more horizontal formwork frames to the equipment of the sliding construction method and ascending them together is the horizontal formwork frame 800 as shown in FIG. After preparing one or more sets of horizontal formwork frames 800 formed by a method of installing in two places, etc., a plurality of vertically adjacent frames forming the horizontal formwork frame 800 using the shelf 700 are prepared. A process of lifting the distance between the horizontal form frames (801 to 805) while maintaining a predetermined distance, and a process of lifting the horizontal form frame 800 to the height of the sixth floor while raising the sliding form 500 all the time.

  After the second stage, the third stage of installing the formwork frame support structure below the position where one or more horizontal structural members of reinforced concrete are built on the constructed vertical structure member is the horizontal formwork. The first horizontal form frame unit 801 at the lowermost part of the frame 800 is lifted to a height of 6 floors or higher and then the 6th floor located at the lower part of the first horizontal form frame unit 801. This is a process of installing the formwork frame support structure 810 at one or more places in the lower part of the position up to the second floor.

  After the third step, the fourth step in which the horizontal form frame is separated and lowered by the above-mentioned sliding construction equipment and placed on the form frame support structure is as shown in FIG. The upper end of the cable 720 is fixed to the work table 400 in the equipment of the sliding method, the horizontal form frame 800 is connected to the lower end of the cable 720, and then the first horizontal form in the horizontal form frame 800 is used. After the frame frame unit 801 is separated from the remaining horizontal form frame units, the frame frame unit 801 is lowered to be seated on the upper end of the above-described form frame support structure 810, and the other second to fifth horizontal form frame frames The unit (802, 803, 804, 805) is a process that is supported by the shelf 700 all the time.

  At this time, the cable 720 is used only in the process of separating and lowering the first horizontal formwork frame unit 801 from the sliding form 500 and installing the unit 801 on the formwork frame support structure 810. After the first horizontal formwork frame unit 801 is installed, it is removed.

  In the fifth step of forming the reinforced concrete horizontal structural member by using the horizontal form frame after the fourth step, the horizontal structural member of the reinforced concrete, which is a horizontal member perpendicular to the reinforced concrete vertical structural member 900, is struck. This is a process of placing concrete on the unit 801 of the first horizontal formwork frame supported by the formwork frame support structure 810 at the stage of setting and curing for a predetermined period.

  In this process, the cable 720 is already removed.

  FIG. 3 shows the first concrete curing process at the height of the sixth floor.

  After the fifth step, the horizontal structural member is cured, and then the horizontal form frame is separated and lowered to be placed on the form frame support structure positioned in the lower layer. Repeat the steps one or more times.

  That is, when the concrete curing process is finished at the height of the sixth floor, the unit 801 of the first horizontal formwork frame used on the sixth floor is moved to the fifth floor, installed, and moved to the fifth floor. In the unit 801 of one horizontal formwork frame, a formwork frame support structure 810 used on the sixth floor is also installed at the lower part.

  If necessary, the formwork frame support structure 810 can be installed and operated in advance on the 5th or 2nd floor separately from the formwork frame support structure 810 used on the 6th floor.

  The cable 720 used to move the first horizontal form frame unit 801 from the sixth floor to the fifth floor is fixed to the reinforced concrete horizontal structural member having the upper end placed on the sixth floor. After the lower end is connected to the first horizontal formwork frame unit 801 and the first horizontal formwork frame unit 801 is seated on the formwork frame support structure 810 located at the lower part of the fifth floor, it is removed. Is done.

  The first horizontal formwork frame unit 801 prepared on the 5th floor through the above-described process is subjected to concrete placement and curing to prepare a horizontal structural member of reinforced concrete on the 5th floor. Placing horizontal structural members of reinforced concrete up to the floor.

  On the other hand, if necessary, when the first horizontal formwork frame unit 801 is separated by the equipment of the sliding method and lowered to the formwork frame support structure 810, or the position of the first horizontal formwork frame unit 801 is When the steel frame is separated by a horizontal structural member made of reinforced concrete and is lowered to the formwork frame support structure 810 of the lower layer, a plurality of rails (not shown) are fixed to the vertical structure member 900 to fix the first horizontal formwork. The frame unit 801 can be lowered along the rail (not shown) to the formwork frame support structure 810.

  4 is a cross-sectional view in which the horizontal structural member is placed on the second horizontal form frame through the stage of FIG. 3, and FIG. 5 is the horizontal structural member in the third horizontal form frame through the stage of FIG. It is sectional drawing provided.

  The sliding construction method was used only when the cable 720 installed the first horizontal formwork frame unit 801 on the upper end of the formwork frame support structure 810 located at the lower part of the sixth floor. When removed later, the second to fifth horizontal form frame units (802, 803, 804, 805) connected to the shelf 700 with the vertical structural member 900 of reinforced concrete rising up again are raised to the second horizontal form frame. The frame unit 802 is raised until it is located at the height of the 11th floor, which is a further raised height from the 6th floor to the 5th floor.

  A form frame support structure 810 is prepared below the unit 802 of the second horizontal form frame located at the height of the eleventh floor.

  A process in which concrete is cast on the second horizontal form frame unit 802 to produce a reinforced concrete horizontal structural member, and is moved stepwise to the 10th to 7th floors to produce a reinforced concrete horizontal structural member. Is the same as the process of using the unit 801 of the first horizontal formwork frame.

  Further, the contents of the first and second horizontal form frame units are the same except that the usage processes of the third to fifth horizontal form frame units (803, 804, 805) are different by the number of layers to be applied. (801, 802).

  When the fifth horizontal formwork frame unit 805 is raised to the 26th floor and the 26th floor reinforced concrete horizontal structural member is completed, the sliding construction equipment is removed.

  As described above, the present invention forms the horizontal structural member of the reinforced concrete by forming the horizontal structural member of the reinforced concrete after the plurality of horizontal formwork frames are separated and fixed into a plurality of layers. Each horizontal form frame used in the above is separated from the horizontal structural member of the reinforced concrete and is repeatedly used in the lower layer to form the horizontal structural member of the reinforced concrete.

  And if necessary, a high-rise building with 26 floors or more can be built using a larger number of units of horizontal formwork frames.

  On the other hand, through the above-described process, the sliding construction equipment can be reused 15 times or more, and the horizontal formwork frame can be reused 5 times or more, thereby saving materials.

  The above description is merely illustrative of the technical idea of the present invention, and a person who has ordinary knowledge in the technical field to which the present invention belongs does not depart from the essential characteristics of the present invention. Various modifications and changes will be possible. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain them, and the scope of the technical idea of the present invention is not limited by such examples. The protection scope of the present invention shall be construed by the following claims, and all technical ideas within the scope equivalent thereto shall be construed as being included in the scope of the right of the present invention.

Claims (5)

Constructing reinforced concrete vertical structural members in the process of sliding foam rising by the sliding method,
Fixing one or more horizontal formwork frames to the above-mentioned sliding construction equipment and ascending together;
Installing a formwork frame support structure below the position where one or more reinforced concrete horizontal structural members are constructed on the constructed vertical structural members;
Separating and lowering the horizontal formwork frame with the above-mentioned sliding construction equipment and placing the horizontal formwork frame on the formwork frame support structure; and
Forming a horizontal structural member of reinforced concrete using the horizontal formwork frame;
Repeating the step of separating and lowering the horizontal formwork frame after the horizontal structural member has been cured and placing it on the formwork frame support structure located in the lower layer one or more times. ,
A method of forming a plurality of horizontal structural members, wherein a plurality of said horizontal formwork frames are prepared vertically . After the plurality of horizontal form frames are separated and fixed into a plurality of layers, a horizontal structural member of reinforced concrete is formed, and each horizontal form frame is separated from the horizontal structural member and below it. The method for forming multiple horizontal structural members according to claim 1, wherein the horizontal structural members of reinforced concrete are formed repeatedly in layers. The multiple horizontal structural member according to claim 1, wherein a shelf for fixing one or more sets of horizontal form frames is used in the step of fixing and separating the horizontal form frames to the equipment of the sliding method. Forming method. When the horizontal formwork frame is separated from the sliding construction equipment and lowered to the formwork frame support structure, or separated from the horizontal structural member of the reinforced concrete formed at the position of the horizontal formwork frame, the lower layer mold 2. The method for forming multiple horizontal structural members according to claim 1, wherein when the frame is lowered to the frame support structure, the frame is suspended by a number of cables. When the horizontal formwork frame is separated from the sliding construction equipment and lowered to the formwork frame support structure, or separated from the horizontal structural member of the reinforced concrete formed at the position of the horizontal formwork frame, the lower layer mold 2. The method of forming multiple horizontal structural members according to claim 1, wherein when the frame is lowered to the frame frame support structure, a plurality of rails are fixed to the vertical structural member and lowered along the rails.

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