JPH0672427B2 - Building foundation method - Google Patents

Description

TECHNICAL FIELD The present invention relates to a method for constructing a foundation of a building such as a prefabricated house or a wooden house.

[Conventional technology]

Conventionally, when constructing a foundation of a building such as a prefabricated house or a wooden house, as shown in FIG. 9, a crushed stone is laid at the bottom of a groove dug in the ground of the foundation building part of the building, Forming panels A and A for formwork are erected, and separators B, B, ... Are erected and fixed on the upper end surface portions of the panels A and A for formwork, to maintain the space between the panels A and A for formwork, and , Vertical bars C, C, ... made of reinforcing bars inside the formwork panels A, A, horizontal bars D,
A reinforcement E such as D, ... Is laid out and concrete F is placed to construct a foundation.

[Problems to be Solved by the Invention]

In the above-mentioned conventional technique, in order to maintain the space between the formwork panels A, A, the separators B, B, ... Must be installed and fixed to the upper end surface portions of the formwork panels A, A. It takes time and labor, and also when arranging the bar E, the vertical bars C, C, ..., Horizontal bars D, D, ... Are arranged vertically and horizontally, and the vertical bars C, C ,. , D, ... must be tied together by wire to arrange the intersecting portions, which is time-consuming, and since the formwork panel A has low rigidity and is easily bent, the formwork panels A, A When the concrete F is placed inside, the formwork panels A, A are easily bent as shown by the dotted line due to the pressing force of the concrete F, and the foundation cannot be constructed with high accuracy. In addition, when confirming the horizontal and vertical of the foundation, a method is erected around the form panels A, A, ... It is necessary to check the vertical hanging a weight to the water yarn together to make sure the horizontal Put the Mizuito between, effort has been made is a problem that it takes.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is possible to easily and quickly maintain the spacing between the panels of the formwork and the bar arrangement work, and the formwork is made by the pressing force of concrete. It is an object of the present invention to provide a method for constructing a foundation of a building that does not have a risk of bending the panel for use and can easily and horizontally confirm the foundation horizontally and vertically.

[Means for Solving the Problems]

In order to solve the above problems, the present invention lays a split stone at the bottom of a groove dug in the ground of a foundation building portion of a building, while, on the other hand, a plurality of mesh-shaped bar arrangements, the width of the groove portion. A bar arrangement unit that is formed by stacking in parallel with each other at intervals in the direction and integrally formed and projecting a connecting piece at the side end is placed on the split stone and the lower part is placed inside the groove. While inserting, a desired number of standing bars are erected in the longitudinal direction of the groove portion and adjacent bar arrangement units are coupled and integrated via a connecting piece to perform basic bar arrangement, and a formwork panel is provided on the outer surface of the bar arrangement unit.
While placing the lower end on the crushed stone and inserting the lower part into the groove, it is abutted and fixed to stand upright, and concrete is placed inside the formwork panel to construct a foundation. It is a feature.

〔Example〕

Hereinafter, the present invention will be described in more detail with reference to the drawings showing examples.

Fig. 1 and Fig. 2 show that a rubble stone 3 is laid at the bottom of a groove 2 dug in the ground 1 of a foundation construction part of a building such as a prefabricated house or a wooden house, and a bar arrangement unit 4 and a lower end are An embodiment will be shown in which a desired number of pieces are placed upright on the groove 2 while the lower part is inserted into the groove 2 while being placed on the split stone 3 and are integrally connected.

3 to 5 show a plurality of mesh-shaped bar arrangements 5,
5, 5, ... are shown as different embodiments of the bar arrangement unit 4 in which the groove portions 2 are laminated at a distance in the width direction with a space therebetween to be installed side by side and integrated with each other and projecting a connecting piece at a side end portion. , FIG. 3 shows that a plurality of mesh-shaped rebars 5, 5, ... Forming reinforcing bars 6, 6, .. The upper end and the lower end of the mesh-shaped rebars 5, 5, ... Are welded together through the rebars 7, 7, ..., and the ends of the mesh-shaped rebars 5, 5 ,. Reinforcing bar unit 4 in which connecting pieces 11, 11, ...
FIG. 4 is similar to FIG. 3 above, but the reinforcing bars 6, 6,
A support frame 8 formed by bending the upper end portion and the lower end portion of the mesh-shaped rebars 5, 5, ...
8 shows a bar arrangement unit 4 which is welded and integrated via 8 and the others are formed according to the above-mentioned FIG. 3, and FIG. 5 shows a plurality of mesh-shaped bar arrangements made of perforated steel plates 9 having a large number of holes. .. are erected at intervals, and the upper and lower ends of the mesh-shaped bar arrangements 5, 5, ... Are welded together through the reinforcing bars 10, 10 ,. Steel plate pieces are welded and integrated to one end of the mesh-shaped rebars 5 and 5 of FIG.
2 shows a bar arrangement unit 4 in which protruding portions are formed.

6 and 7 show different embodiments in which a desired number of the bar arrangement units 4, 4, ... Are erected in the groove 2 shown in FIG. 1 and FIG. FIG. 6 shows the connecting pieces 11, 11 of the bar arrangement unit 4 shown in FIGS. 3 and 4.
An example in which the bar arrangement units 4, 4, ... Are combined and integrated by superposing one another and welding together, and FIG. 7 shows the side end portions of the bar arrangement units 4, 4 shown in FIG. An embodiment will be shown in which the reinforcing bar units 4, 4, ... Are joined and integrated by butt-joining and welding through the connecting piece 12.

FIG. 8 shows that the form panels 14, 14 are placed on the outer surfaces 13, 13 of the bar arrangement unit 4, the lower end portion is placed on the split stone and the lower portion is inserted into the groove, and abutted and fixed. An example in which the foundation is constructed by erection of concrete 15 inside the formwork panels 14, 14 while standing upright in the vertical direction.

Further, when the formwork panels 14 and 14 are abutted, fixed, and erected as described above, the formwork panels 14 and 14 are attached to the mesh-shaped bar 5, using a tucker or other fixtures. When fixed to the frame 5, the formwork panels 14 and 14 can be securely abutted and fixed.

In addition, in the above-mentioned present invention, also when confirming the horizontal and vertical of the foundation, a spirit level is set on the upper surface of the reinforcement unit 4 while confirming the horizontal position,
After connecting 4, ..., Verticalness can be confirmed only by suspending a weight from the upper end part of the reinforcement arrangement units 4, 4 ,.

In addition, as described above, a plurality of mesh-shaped bar arrangement bodies 5, 5, ...
When forming the bar arrangement unit 4 by arranging and integrating
As shown in FIGS. 5 to 5, when a desired number of mesh-shaped bar arrangement bodies 5, 5, ... Are arranged side by side between two mesh-shaped bar arrangement bodies 5, 5, ... The mesh-shaped bar arrangements 5, 5, ... Which exhibit the function of the main muscle are optimal.

Also, when the formwork panel is abutted and fixed to the outer surface of the reinforcing bar unit to stand upright and concrete is placed inside the formwork panel to build a foundation, the outermost surface mesh shape Although the reinforcing bar is exposed and the covering thickness of concrete cannot be taken, there is no problem in strength because the mesh-shaped reinforcing bar located inside acts as a strength member, and usually the outermost surface part of the foundation There is no problem in appearance because it is finished by applying finish concrete to it.

〔The invention's effect〕

As described above, the present invention lays a split stone in the bottom of the groove dug in the ground of the foundation building part of the building, while, on the other hand, a plurality of mesh-like bar arrangements, spaced in the width direction of the groove part. A bar arrangement unit that is formed by stacking them in parallel with each other and integrating them side by side and projecting a connecting piece at the side end is placed on the split stone and the lower part is inserted into the groove. , A desired number of arranging units are erected in the longitudinal direction of the groove section, and adjacent bar arrangement units are connected and integrated through a connecting piece to form a base bar arrangement, and a formwork panel is provided on the outer surface of the bar arrangement unit, and a lower end portion is provided. Since the foundation is constructed by placing concrete on the inside of the formwork panel while placing it on the crushed stone and inserting the lower part into the groove, abutting and fixing it upright. The mesh-shaped rebars of the rebar unit are preliminarily integrated side by side at regular intervals. As a result, when the formwork panel is abutted and fixed to the outer surface of the reinforcing bar unit to stand upright, the space between the formwork panels is inevitably kept constant. There is no need to install and fix a separator on the part, and the basic bar arrangement is completed simply by connecting and integrating a desired number of bar arrangement units consisting of a plurality of mesh-shaped bar arrangements via connecting pieces. It eliminates the need for time-consuming vertical and horizontal bar arrangements and binding work. Therefore, it is easy and quick to maintain the spacing of the form panel and the bar arrangement work.
With the mesh-shaped bar arrangement of the above-mentioned bar arrangement unit having high rigidity and being hard to bend, it is possible to prevent the bending of the formwork panel that is abutted and fixed to the outer surface of the bar arrangement unit. There is no risk of bending the formwork panel due to pressure, and in addition, when checking the horizontal and vertical of the foundation, after connecting the bar arrangement units while checking the horizontal level, the bar arrangement units You can check the vertical by simply hanging the weight from the upper end of the, so that you can stand the way around the formwork panel as before,
There is no need to stretch a water thread between the steps, and the horizontal and vertical confirmation work of the foundation can be performed easily and quickly.

[Brief description of drawings]

1 to 8 show an embodiment of the present invention, and FIG. 1 is a schematic plan view of an embodiment in which a reinforcing bar unit is erected in a groove dug in a foundation building portion, and FIG. 2 is the same embodiment. FIG. 3 is a schematic vertical sectional view of an example, and FIGS. 3 to 5 are perspective views of different embodiments of the bar arrangement unit.
FIG. 6 and FIG. 7 are perspective views showing different connection states of the reinforcing bar unit, and FIG. 8 is a view showing that a formwork panel is erected on the reinforcing bar unit and concrete is laid to build a foundation. FIG. 9 is an enlarged vertical sectional view of a main part of the embodiment, and FIG. 9 is a schematic plan view of a conventional example. 1 ... Ground, 2 ... Groove, 3 ... Split stone, 4 ... Rebar unit, 5 ... Mesh bar, 11, 12 ... Connecting piece, 14
…… Formwork panel, 15 …… Concrete.

Claims (1)

[Claims] 1. A split stone is laid on the bottom of a groove dug in the ground of a foundation construction part of a building, while a plurality of mesh-like bar arrangements are laminated at intervals in the width direction of the groove. Then, a bar arrangement unit that is formed by arranging and arranging side by side and projecting a connecting piece on the side end is placed on the split stone and the lower part is inserted into the groove, while A desired number of standing bars are erected in the longitudinal direction, and adjacent bar arrangement units are connected and integrated through connecting pieces to form a base bar arrangement, a formwork panel is provided on the outer surface of the bar arrangement unit, and a lower end portion is formed on the split stone. The foundation of the building, which is characterized in that the foundation is constructed by placing it in the groove and inserting the lower part into the groove, abutting and fixing it upright, and placing concrete inside the formwork panel. How to build.