JPH073071B2 - Building substructure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a building substructure, and more specifically, a building substructure that is extremely economical in terms of construction period and construction cost. Regarding

(Prior Art) A conventional foundation structure for a building is, as shown in FIG. 8 attached, a base 2 arranged at the bottom of a trench 1 and a base 2
It consists of concrete 8 which is placed on top of which the reinforcing bars 11 are buried. For the construction of this structure, reinforcement is done in advance,
It was carried out by making a frame to form a formwork, pouring ready-mixed concrete into this formwork, and dismantling the formwork after hardening.

(Problems to be solved by the invention) In the construction of the conventional structure, it is necessary not only to process or arrange the reinforcing bars at the construction site, but also to assemble and inject the formwork for pouring fresh concrete. After the concrete has hardened, it is necessary to dismantle and remove this formwork again, which leads to a longer construction period and a higher construction cost, and since such work is performed at the construction site, the accuracy of the foundation structure is reduced. It tended to decline.

In addition, such a series of work inevitably requires post-work such as twitching work or plastering, resulting in a large construction cost. Therefore, an object of the present invention is to provide a foundation structure for a building in which the construction period can be shortened, the construction cost can be reduced, and the accuracy of the foundation structure can be ensured.

[Structure of Invention]

(Means for Solving the Problem) As a result of intensive studies to solve the above-mentioned problems, the present inventor has abolished the conventional bar arrangement work, and is capable of producing concrete panels, metal foams, and the like. The inventors have found that a hollow structure made of concrete containing fibers can be used instead of the formwork to construct a basic structure for a building, and have completed the present invention.

That is, the building substructure in the present invention is a support tool extending facing each other at an appropriate interval, a plurality of connecting members for connecting the support tools, and the heights provided at both ends of the connecting member. A pedestal provided with an adjusting bolt is arranged on a base disposed at the bottom of the dug groove, and the pedestal includes a foundation stabilizing part in which the pedestal is embedded with concrete, and fibers standing on the pedestal. A hollow molded body made of concrete and provided with a hollow portion in the vertical direction, and a concrete which is cast in the hollow portion of the hollow molded body and concrete in which the pedestal is buried and continuous formation Is.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a vertical cross-sectional view of a substructure of the present invention, in which 1 is a groove dug in the ground, and a base 2 is arranged at the bottom of the groove. On the base 2, a pedestal 5 provided with supporting members 3 facing each other at appropriate intervals, connecting members 3a connecting the supporting members 3 and height adjusting bolts 4 provided at both ends of the connecting member 3a. Are placed, and the whole is buried in concrete to form the foundation stabilizing portion 6. Reference numeral 7 denotes a hollow molded body, the lower part of which is supported by the support tool 3 and the height of the cradle 5 is adjusted by adjusting the height of the cradle 5 by the adjusting bolt 4 provided on the connecting member 3a of the cradle 5. Adjustable and tilted position. This support 3
The pedestal 5 provided with the height adjusting bolt 4 itself serves as a reinforcing bar of the foundation of the conventional structure. Therefore, each of these elements is buried in concrete to form a foundation stabilizing portion, which is integrated with each other and has a necessary strength as a foundation structure for a building. Cradle 5
The hollow molded body 7 standing upright is a molded product obtained by extruding cement, which is a mixture of generally known inorganic or organic fibers, by extrusion molding. The hollow molded body 7 has a hollow portion 7c penetrating in the vertical direction, and the fresh concrete injected into the hollow portion 7c is continuously formed integrally with the concrete in which the pedestal 5 is embedded and cured and hardened. Becomes Reference numeral 9 is an anchor bolt which is arranged at a predetermined position of the structure as necessary, and 10 is a paint finish portion for post-work which is performed as necessary.

FIG. 2 is a perspective view showing a hollow molded body 7 used for a straight line portion, and the hollow molded body 7 is a hollow portion penetrating vertically.
It has 7c, and each dimension is usually about 90 cm, about 90 cm, and about 12 cm in height, width, and height, depending on the type of building.

FIG. 3 is a perspective view showing a hollow molded body 7 used for a corner portion, and this hollow molded body 7 also has a hollow portion 7c penetrating in the vertical direction.
have. Other than this, there are several types of hollow molded bodies 7 having different shapes according to the corresponding parts. Moreover, you may have a ventilation port and a pipe penetration port.

FIG. 4 is a perspective view showing a linear portion of the cradle, and the dimensions of the cradle are determined by the type of building. Usually, it is made of L-shaped steel having a side of about 5 cm and a length of about 180 cm, and has supporting members 3 which are opposed to each other with an appropriate interval, and the ends of these supporting members 3 are connected to each other. The member 3a is joined by welding or the like, and female screws to which the height adjusting bolts 4 are screwed are provided at both ends of the connecting member 3a. Further, the connecting member 3b is connected at a predetermined portion of the supporting member 3 like the connecting member 3a, and the number thereof is determined according to the length of the supporting member 3.

FIG. 5 is a perspective view showing a corner portion of the pedestal, and detailed description is omitted by assigning the same reference numerals to the portions corresponding to FIG. 4, but the shape of the support tool 3 is other than that shown in the figure. There are several types depending on the part corresponding to.

FIG. 6 is a perspective view showing a state in which the hollow molded bodies 7 are combined, and 7a and 7b are joint portions of the hollow molded bodies 7, and the hollow molded bodies 7 are fitted to each other at the joint portions 7a and 7b. It is structured.

FIG. 7 is a perspective view showing a state in which the pedestals are combined in a T shape, and the detailed description thereof will be omitted by assigning the same reference numerals to the portions corresponding to FIGS. 4 to 6, but 11 is fitted. It is a metal fitting and is used to secure the joint strength as needed.

Next, the construction method of the building foundation structure configured as described above will be described with reference to FIG.

First, the groove 1 is dug in the ground, and the base 2 is arranged at the bottom of the groove 1. Next, the support tool 3 facing each other, and the pedestal 5 having the connecting member 3a connecting the support tools 3 to each other and the height adjusting bolt 4 are arranged at a predetermined position on the base 2.

Subsequently, the hollow molded body 7 is erected on the connecting members 3a to 3b (not shown) located between the opposing support members 3 of the receiving table 5, and the receiving table 5, and thus the hollow forming body, is hollow-formed by the adjusting bolts 4. The height and inclination of the body 7 are adjusted, and then the pedestal and the lower portion of the hollow molded body 7 are buried with concrete to form the foundation stabilizing portion 6, and the concrete 8 is poured into the hollow molded body 7. Then, the pedestal is buried in the first half of the year to be cured and hardened in a continuous state with the concrete forming the foundation stable part.
At this time, anchor bolts 9 are provided as needed.

Next, if necessary, the surface of the hollow molded body 7 is painted and the groove 1 is backfilled to complete the building substructure.

〔The invention's effect〕

As described in detail above, the building substructure of the present invention does not need to be finely arranged on the construction site or assemble a formwork, so that the construction period can be significantly shortened. Further, since the pedestal and the hollow molded body are manufactured by the factory, the precision is high, and the position or height of the substructure can be accurately determined only by laying them on site. Furthermore, the hollow molded body has a smooth appearance, and it is not necessary to make modifications such as plastering as in the past, and simple methods such as painting are sufficient for finishing, which is an advantage that the construction cost can be significantly reduced. There is.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a substructure of the present invention, FIGS. 2 and 3 are perspective views showing hollow molded bodies used for linear portions and corner portions, respectively, and FIGS.
Each of the drawings is a perspective view showing a linear portion and a corner portion of the pedestal, FIG. 6 is a perspective view showing a combined state of the hollow molded bodies, and FIG. 7 is a perspective view showing a combined state of the pedestal. FIG. 8 is a vertical sectional view of a conventional substructure. 1 ... Groove, 2 ... Base, 3 ... Supporting tool, 4 ... Height adjusting bolt, 5 ... Receiving stand, 6 ... Foundation stabilizing part, 7 ... Hollow molded body, 8 ... Concrete.

Claims (1)

[Claims] 1. A support tool (3) extending facing each other at an appropriate interval, a plurality of connection members (3a) for connecting the support tools (3), and both ends of the connection member (3a). The pedestal (5) provided with the height adjusting bolts (4) provided is arranged on the base (2) disposed at the bottom of the groove (1), and the pedestal (5) is placed. A foundation stable part (6) embedded with concrete, and a hollow molded body (7) having a hollow part (7c) made of concrete containing fibers standing upright on the cradle (5) and vertically penetrating therethrough. A foundation structure for a building, comprising a concrete (8) which is cast in the hollow portion (7c) of the hollow molded body (7) and in which the pedestal is embedded and a continuously formed concrete (8).