JP2003064696A - Method of housing foundation concrete placement and its foundation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the cut-off foundation structure to prevent water from entering below floors without using any spacer metals when housing concrete foundation work is executed. SOLUTION: When concrete base (1) is placed during the work execution of housing concrete foundation, some protrusions (3), depressions (5) or step differences (4) are formed beforehand at the area where external base foundation concrete is to be placed, and concrete for the external base foundation is placed in these parts (3), (5) and (4).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for placing concrete for housing foundation and a foundation structure during construction of housing foundation.

[0002]

2. Description of the Related Art There are four types of conventional residential concrete foundations: cloth foundations, solid foundations, cloth foundation integrated casting foundations, and solid foundation integrated foundations. The casting is done separately with a certain date.The concrete base at the place where the rising foundation is set is flattened with a trowel, and after the concrete base is fixed, the standing foundation formwork is assembled with formwork width stop fittings. The concrete was placed in the formwork of the rising foundation.

Further, the cloth foundation solid foundation and the solid foundation solid foundation, which are made by integrating the concrete base and the rising concrete, are required to be placed in a single time and then to be placed within the same day.

Further, in order to assemble both the cloth foundation one-piece foundation and the solid foundation one-piece foundation to float and assemble the form of the foundation, a metal fitting called plastic horse for lifting the form or a plastic product and a form width stopper. I had assembled the formwork. (For example, JP-A-9-324538 and JP-A-7-24
7684, JP-A-3-90776).

[0005]

[Problems to be Solved by the Invention] A cloth foundation, a solid foundation, or a cloth foundation solid foundation and a solid foundation solid foundation are conventional housing foundation construction methods and foundation structures, but more than half of the foundation is buried in the ground. However, there is a problem that it is not the foundation of the waterproof structure that prevents water from entering under the floor.

Next, the cloth foundation solid foundation and the solid foundation solid foundation have a problem that metal fittings called plastic horses for assembling the standing foundation mold by floating it and plastic products remain as foreign matter in the foundation. .

Further, the cloth foundation, the solid foundation, the cloth foundation one-in-one foundation and the solid foundation one-in-one foundation use a formwork width stop fitting which is disposable under the formwork of the rising foundation and remains in the foundation, which is long. In the meantime, there has been such a problem that water is transmitted from the mold width stopper to the underfloor, and further the mold width stopper is rusted and explodes due to water or moisture, which causes a crack on the foundation.

The present invention has been made by paying attention to the problems existing in such a conventional housing foundation, and the purpose thereof is a metal fitting for holding a formwork width or a fitting commonly known as a horse. Or without using plastic products, to prevent water from entering under the floor, easy work, no need for skill,
Moreover, it is to provide a concrete foundation water-stop structure that is strong in structural strength and strong against earthquakes and the like.

[0009]

The best method for achieving the above object is the method of placing concrete of the present invention and the foundation structure thereof. When placing the concrete foundation of the house foundation, the concrete of the outer rise foundation is preliminarily set. By forming a convex portion, a concave portion or a step having an appropriate shape at the place where the material is to be placed and then placing the concrete of the outer circumference rising foundation to form a waterproof structure foundation.

Then, when the concrete base of the housing foundation is cast, a convex portion, a concave portion or a step having an appropriate shape is formed in advance at the place where the concrete is cast on the outer circumference so as to be disposable so that the formwork width retaining metal fitting remains in the foundation. The concrete pouring method and foundation structure that can not be used are good.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described based on examples with reference to the drawings. FIG. 1 is a cross-sectional view of a method of placing a concrete foundation of the present invention for a cloth foundation and a foundation structure, and FIG. 2 is a cross-sectional view of the concrete base 1 of FIG. 1 during construction.

First, after the construction of the stone 8 for the cloth foundation shown in FIGS. 1 and 2 is completed, a waste concrete 9 is placed, then the base rebar 10 and the rising rebar 11 are assembled, and then the base frame 12 shown in FIG. 13 was assembled and the concrete base 1 was placed using a vibrator. At that time, the top end of the concrete base 1 was leveled with a trowel, and the concrete was placed at the center of the concrete placing portion of the outer rise stand foundation 2 shown in FIG. Width of about 40 mm and height of 3
The concrete of about 0 mm was piled up, and the convex portion 3 was formed on the concrete base 1.

After fixing the concrete base 1 on which the convex portions 3 are formed, the base frames 12 and 13 shown in FIG. 2 are disassembled, and both sides of the convex portions 3 rise to 75 m from the foundation core.
A piece of ground ink with a base width of 150 mm was taken out for each m, and the molds 6 and 7 of the rising foundation 2 shown in FIG. 1 were arranged in accordance with the ground ink, and the upper portion thereof was temporarily fixed by the mold width stopper 15.

Next, while confirming again that the lower parts of the formwork 6 and 7 fit the ground ink, the panel catch fitting 14
Is fixed to the lower parts of the molds 6, 7 with concrete nails, the molds 6, 7 are fixed and assembled, and the concrete of the rising foundation 2 is placed in the molds 6, 7 while using a vibrator, Subsequently, a leveler for determining the top was poured, and the molds 6 and 7 were separated after four days in the middle.

Next, FIG. 3 is a cross-sectional view of a method of placing a concrete foundation of the present invention having a step 4 on a solid foundation and a foundation structure. FIG. 4 is a cross-sectional view showing the concrete base 1 of FIG. 3 during construction. Is.

In FIGS. 3 and 4, after the construction of the quarry 8 is completed, waste concrete 9 is placed, and as shown in FIG. 4, the outer form 17 is assembled to the outside forming the concrete base 1, and the inside of the outer form 17 is closed. After assembling the base rebar 10 and the rising rebar 11, the concrete of the concrete base 1 was first placed between the outer formwork 17 and the rising rebar 11 with a thickness of 150 mm.

Subsequently, as shown in FIG. 4, a height of 30 mm is placed on the concrete base 1 near the rising rebar 11.
A wooden rough material 16 having a width of 20 mm and a length of 4 m is arranged, and concrete is poured to a thickness of 180 mm, which is the sum of the vertical height of the wooden rough material 16 of 30 mm and the height of the concrete base 1 of 150 mm. A step 4 was added to the concrete base 1.

After fixing the concrete base 1, the wooden rough material 16 was first removed, and the outer mold 17 was also removed. Subsequently, the standing foundation width of 150 mm is set on both sides of the concrete placing portion of the rising foundation 2 shown in FIG.
4 is used, and the outer formwork 17 shown in FIG. 4 is used as the formwork 6 of the rising foundation 2 shown in FIG. 3 in accordance with the groundwork, and the upper parts of the formwork 6 and 7 are used as step formwork. Width stopper metal fitting 1
Stopped at 8 and tentatively assembled.

Next, while reconfirming that the molds 6 and 7 match the above ground ink, the panel catch metal fitting 14 is fitted into the lower part of the molds 6 and 7 and fixed with concrete nails. 7 is assembled, and the concrete of the rising foundation 2 is placed in the molds 6 and 7 using a vibrator, then a leveler for determining the top end is poured, and the molds 6 and 7 are separated after four days in the middle. did.

FIG. 5 shows a method of placing a concrete foundation of the present invention using a cloth foundation and a method of placing the concave portion 5 of the foundation structure and the foundation structure. FIG. 6 shows the construction of the concrete base 1 shown in FIG. It is a sectional view in the middle.

FIG. 7 is a cloth foundation, FIG. 8 is a solid foundation, and FIG. 9 is a solid foundation, which are cross-sectional views of a method for placing concrete for a residential foundation of the present invention and a foundation deformation structure of the foundation structure.

[0022]

Since the present invention is constructed as described above, it has the following effects.

The present invention, when placing a concrete base,
It is a foundation structure that rises outside and forms a convex or concave portion or an appropriate step in an appropriate shape at the place where concrete is placed on the foundation in advance. Since the foundation is a waterproof structure, water does not enter under the floor.

The present invention does not use a formwork width stop metal fitting which remains as a foreign substance in the foundation as a conventional disposable, so that the formwork width stop metal fitting is rusted by water or moisture for a long time and explodes to cause cracks, etc. The cause of can be avoided.

Further, in the foundation structure having the convex portions and the concave portions according to the present invention, the concrete base and the rising foundation are umbilicus-shaped so that the foundation is hard to move in and out, and it can be expected to be strong together with the foundation having the step.

The present invention does not require a metal mold width stop metal fitting, a metal fitting commonly called a horse, and a plastic product, which are consumables used for the basic mold framework, and can be reduced in cost.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a concrete foundation structure having a convex portion on a cloth foundation.

FIG. 2 is a cross-sectional view showing the concrete base of FIG. 1 on a cloth foundation during construction.

FIG. 3 is a cross-sectional view of a concrete foundation structure having steps on a solid foundation.

FIG. 4 is a sectional view of a solid foundation showing the concrete base of FIG. 3 during construction.

FIG. 5 is a cross-sectional view of a concrete foundation structure having a recess on a cloth foundation.

FIG. 6 is a cross-sectional view of the cloth foundation showing the concrete base of FIG. 5 during construction.

FIG. 7 is a cross-sectional view of a concrete foundation deforming structure having a concave portion on a cloth foundation.

FIG. 8 is a cross-sectional view of a concrete foundation deforming structure having a solid foundation and a concave portion.

FIG. 9 is a cross-sectional view of a concrete foundation deformable structure having a solid foundation and a step.

FIG. 10 is a reference view of a panel catch for stopping the lower part of the formwork.

[Explanation of symbols]

1 concrete base 2 Outer rotation rising foundation 3 convex 4 steps 5 recess 6,7 formwork 8 quarry 9 Discarded concrete 10 Base rebar 11 Stand-up rebar 12, 13 Base frame 14 panel catch metal fittings 15 Formwork width stopper 16 wooden rough wood 17 Outer formwork 18 Formwork width stopper for step

Claims (3)

[Claims] 1. A projecting portion (3) having an appropriate shape is preliminarily formed on an outer rising edge of the foundation (2) when the concrete base (1) is cast during the construction of a housing foundation.
Is formed and the concrete of the outer rising stand-up foundation (2) is placed on the convex portion (3), and a method for placing a concrete foundation for a house and a foundation structure. 2. When a concrete foundation (1) is placed during the construction of a house foundation, a concave portion (5) having an appropriate shape is preliminarily provided at the place where the concrete is placed on the outer rise foundation (2) in advance.
Is formed, and the concrete of the outer circumference rising foundation (2) is poured into the concave portion (5), and a method and a foundation structure for housing foundation concrete. 3. A step (4) having an appropriate size is formed in advance at the place where concrete is cast on the outer rise foundation (2) when the concrete base (1) is cast during the construction of a housing foundation. 4) The method for placing concrete for housing foundation and the foundation structure, wherein the concrete of the outer rising foundation (2) is placed in 4).