JP2002070035A - Continuous footing form - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a continuous footing form capable of efficiently constructing a continuous footing having a footing spacer section on the upper surface with the reduced number of processes. SOLUTION: The continuous footing form is constituted of an outdoor side form panel 1 and an indoor side form panel 2, and it is so constituted that the footing spacer section 1c reaching up to the upper end of the other form panel 2 is integrally formed on the upper end of one form panel 1. The footing spacer section 1c is integrally formed on the upper end of one form panel 1 to eliminate the troublesome leveling of the upper surface of a continuous footing required for skill or installation work of the footing spacer, and the continuous footing 10 can be efficiently constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a formwork for fabric foundation of a house.

[0002]

2. Description of the Related Art In a conventional general wooden house, a ventilation hole is provided in a cloth base to provide ventilation under the floor. However, there is a problem that the provision of the ventilation holes reduces the strength of the fabric foundation and a problem that animals such as rats penetrate under the floor through the ventilation holes.

For this reason, recently, as shown in FIG.
A ventilation spacer 104 is formed by interposing a foundation spacer (foundation packing) 103 between the cloth foundation 101 and the base 102, and the number of wooden houses that perform ventilation under the floor through the ventilation gap 104 increases. I have.

[0004]

However, in the above-described structure in which the base spacer 103 is interposed between the cloth base 101 and the base 102, if there is unevenness on the upper surface of the cloth base 101, the respective base spacers 103 are removed. Since they cannot be arranged horizontally at the same height, it is impossible to evenly support the base 102. Therefore, the cloth foundation 10
In addition, the work of “top end leveling” is required, in which concrete 105 is further piled on 1 to form a horizontal top surface without unevenness, and the number of work steps increases, the construction period is prolonged, and the “top end leveling” There was a problem that the work required skill.

SUMMARY OF THE INVENTION The present invention has been made to address the above problems, and its main purpose is to eliminate the need for skilled "top leveling" work and to provide a cloth base having a base spacer portion on its upper surface. The object of the present invention is to provide a fabric foundation formwork that can be efficiently constructed with a small number of processes. And the other purpose is
An object of the present invention is to provide a fabric base formwork capable of constructing a fabric base having good appearance and excellent heat insulation.

[0006]

According to a first aspect of the present invention, there is provided a fabric foundation formwork comprising an outdoor formwork panel and an indoor formwork panel. A horizontal base spacer portion reaching the upper end of the other form panel is integrally formed at the upper end of the form panel.

When a horizontal base spacer is integrally formed on the upper end of one of the outdoor and indoor form panels as in the case of the form base for fabric, the space between both form panels can be reduced. By simply casting concrete and curing it, it is possible to construct a fabric foundation having a formwork integrated structure having a horizontal foundation spacer portion on the upper surface. Therefore, the work of removing the formwork, the work of “top leveling”, the work of installing the foundation spacer, etc. are not required, so the number of working steps is reduced, and it is possible to build the fabric foundation in a short construction period. Become. In addition, if there is no need to perform the “top-end smoothing” operation that requires skill, a skilled worker is not required, and the concern about the extension of the construction period due to a shortage of skilled workers is eliminated.

[0008] Next, according to a second aspect of the present invention, there is provided a fabric foundation formwork according to the first aspect, wherein the outdoor formwork panel comprises a BMC (BMC) having an outer surface as a decorative surface. (Bulk molding compound), wherein a base spacer portion is integrally formed at the upper end thereof.

[0009] When the outdoor form panel is an injection molded product of BMC having a decorative surface on the outer side as in the form for fabric foundation, the appearance of the form for fabric foundation is improved, and the design is improved by the decorative surface. It is possible to construct a fabric foundation form having a high degree of property. In addition, BMC injection molded products have high strength and rigidity, so there is no risk of swelling or cracking outdoors when casting concrete, and even if the load of the house is applied to the upper base spacer, it will be integrated with the BMC. There is no risk of the molded base spacer part being damaged.

Next, a fabric foundation form according to a third aspect of the present invention is the cloth foundation form of the first or second aspect, wherein bolt insertion holes are formed in the foundation spacer portion. It is characterized by the following.

[0011] In such a fabric foundation form, an anchor bolt is implanted through the bolt insertion hole of the foundation spacer, and the base placed on the foundation spacer can be firmly fixed with the anchor bolt.

[0012] Next, the cloth foundation form according to claim 4 of the present invention is the cloth foundation form of claim 1, wherein the indoor form panel is a synthetic resin foam molded product. It is characterized by the following.

When the indoor form panel is made of a synthetic resin foam molded article, as in the case of the fabric foundation form, the heat-insulating action prevents the temperature under the floor from rising in the summer and the temperature below the floor from falling in the winter. Can be suppressed.

Next, in the cloth foundation formwork according to claim 5 of the present invention, in the cloth foundation formwork according to claim 1 or 4, the indoor formwork panel is attached to both of the formwork panels. A spacer for maintaining a constant interval is formed.

[0015] In such a fabric foundation formwork, since the spacing between the outdoor and indoor formwork panels is kept constant by the spacer, a cloth foundation having a uniform width can be constructed.

Next, a fabric foundation form according to a sixth aspect of the present invention is the cloth foundation form of the fifth aspect, wherein the spacer is detachable from the indoor form panel. It is a feature.

If the spacers are integrally provided on the indoor formwork panel, the spacers hinder the work of arranging the bars. However, if the spacers are removable like the fabric foundation formwork. The bar arrangement work can be easily performed by removing the disturbing spacer.

Next, the cloth foundation form according to claim 7 of the present invention is the cloth foundation form according to any one of claims 1, 4 and 5, wherein the indoor-side form panel is bent. It is characterized in that a rib for prevention is formed.

If the ribs for preventing deflection are formed on the indoor form panel as in the fabric foundation form form, the indoor form panel swells or breaks into the indoor side during concrete casting. In addition, the adhesion between the formwork panel and the concrete is improved by the anchor effect of the rib.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view of a fabric foundation form according to an embodiment of the present invention, FIG. 2 is a partial perspective view of a fabric foundation constructed using the fabric foundation form, and FIG. FIG. 4 is a partial cross-sectional view of a wooden house constructed with a cloth foundation using the foundation formwork, FIG. 4 is a perspective view of a protruding corner of the cloth foundation constructed using the cloth foundation formwork, and FIG. FIG. 3 is a perspective view of a corner forming form panel used in a corner portion.

This fabric foundation formwork comprises an outdoor formwork panel 1 and an indoor formwork panel 2, and the lower edges of both formwork panels 1 and 2 are provided with a cloth foundation formwork. Step portions 1a and 2a for forming the footing portion are formed.

The outdoor form panel 1 is an injection molded product of BMC (bulk molding compound), and its outer surface (outdoor surface) 1b is provided with a patterned or non-patterned decorative surface. In the center of the upper end of the outdoor form panel 1, as shown in FIG. 2, when both form panels 1 and 2 are installed at a predetermined interval, they reach the upper end of the indoor form panel 2. Horizontal base spacer part 1
c is integrally formed, and a bolt insertion hole 1d is formed in the center of the base spacer portion 1c.

The form panel 1 on the outdoor side may be injection-molded with various synthetic resins, but is preferably injection-molded with BMC as in this embodiment. By injection molding with BMC, a form panel 1 having high strength and rigidity can be obtained.
There is no fear that the form panel 1 will bulge or crack to the outdoor side during concrete casting, and even if a load of the house is applied to the base spacer portion 1c at the upper end, the base spacer portion 1c integrally formed by BMC is damaged. This is because there is no need to worry.

The base spacer portion 1c does not necessarily need to be formed integrally with the upper end of the outdoor form panel 1 as in this embodiment, but may be formed integrally with the upper end of the indoor form panel 2. Further, a plurality of the base spacer portions 1c may be formed at the upper end of one of the form panels 1 or 2.

On the other hand, the indoor form panel 2 is a foam molded product of a synthetic resin such as polystyrene, and a plurality of (four in the figure) spacers 2c are provided on the outdoor surface 2b of the form panel 2. The spacers 2c protrude, so that the spacing between the two form panels 1 and 2 is kept constant. A rib 2d for preventing bending is formed vertically and horizontally on a surface 2b on the outdoor side of the form panel 2.
When the ribs 2d are formed, the form panel 2 does not swell or break indoors when the concrete is poured, and the adhesion to the concrete is improved by the anchor effect of the ribs 2d.

The form panel 2 on the indoor side may be molded so as not to be foamed with synthetic resin or BMC. However, if foamed with synthetic resin as in this embodiment, an excellent heat insulating effect can be obtained. preferable.

The lengths of the form panels 1 and 2 on the outdoor side and the indoor side are not particularly limited. However, since a modern house is usually built with one module (910 mm) as a standard size, the mold is correspondingly formed. It is desirable to set the length dimension of the frame panels 1 and 2 to 1 module or 1.5 modules, and to connect and use the required number of the frame panels 1 and 2 sequentially.

Next, a description will be given of an operation procedure for constructing a fabric foundation using the fabric foundation formwork including the outdoor formwork panel 1 and the indoor formwork panel 2 described above.

First, as shown by a dashed line in FIG. 3, a root cutting 3 having a predetermined depth is provided on the ground G, and a split stone 4 is laid at the bottom thereof. Then, the concrete 5 is cast on the split stone 4 and cured, and the outdoor formwork panel 1 and the indoor formwork panel 2 are opposed to each other, and a predetermined distance is maintained by the spacer 2c. As shown in FIG. 2, the required number of form panels 1 and 2 are sequentially connected to each other to assemble a cloth foundation form having a predetermined length. In this case, a connecting tape (not shown) or a connecting plate (not shown) is attached to the inside of the connecting portion of the form panel to fix the connecting portion and prevent concrete from leaking from the connecting portion. Is preferred.

When the assembling of the cloth foundation formwork is completed, a reinforcing bar (not shown) is arranged in the cloth foundation formwork, and concrete 6 is poured into the formwork as shown in FIGS. At the same time, the anchor bolt 7 is fixed to the concrete 6 through the bolt insertion hole 1d of the foundation spacer portion 1c at the upper end of the outdoor form panel 1.
To be planted. When the soil is back-filled in the root cutting 3 and the concrete 6 in the cloth foundation formwork is cured, the upper end has a horizontal foundation spacer portion 1c having the same height, and the lower end has a footing portion 10a. Fabric foundation 1 with integrated formwork
0 is constructed.

When the fabric base 10 is completed, as shown in FIG. 3, the base 8 is placed on the base spacer portion 1c at the upper end of the fabric base 10 and fixed with the anchor bolts 7 and the nuts 7a. A house is built with a pillar 9 standing upright. When the base 8 is fixed on the base spacer portion 1c in this manner, the ventilation gap 11 is provided between the upper surface of the cloth base 10 and the base 8.
As shown by arrows in FIG. 3, air flows in and out through the ventilation gap 11, and ventilation under the floor is performed. In FIG. 3, 12 is a drainer for preventing rainwater from entering the ventilation gap 11, 13 is an outer wall material, 14 is an inner wall material, 15 is a joist, and 16 is a floor panel.

As described above, the fabric foundation formwork of the present invention comprises:
By simply placing concrete between the two form panels 1 and 2 and curing it, a cloth foundation having a form integral structure having a horizontal foundation spacer portion 1c on the upper surface can be constructed, which has been conventionally required. Since the work of removing the formwork, the work of “Cleaning the top end”, the work of installing the foundation spacer, etc. are not required, the number of work steps is reduced and it is possible to build the fabric foundation in a short construction period, It also eliminates the concern that the construction period will be extended due to a shortage of skilled workers. Therefore, the construction cost can be significantly reduced.

Moreover, since the outdoor form panel 1 is a BMC injection-molded article having its outer surface 1b as a decorative surface,
Since the appearance of the fabric base formwork is improved, it is possible to construct the fabric base 10 which is rich in design due to the decorative surface, and since the indoor formwork panel 2 is a synthetic resin foam molded article, By the heat insulation effect, it is also possible to suppress a rise in temperature under the floor in summer and a decrease in temperature under the floor in winter.

In the meantime, it is preferable that the corner portion of the cloth base 10 be constructed by providing a corner form panel 17 as shown in FIGS. The corner forming form panel 17 is injection-molded by BMC similarly to the outdoor form panel 1, and the outer surface 17a of the panel bent at a right angle is the outdoor form panel 1.
And the same decorative or non-patterned decorative surface as the outer surface 1b,
A step portion 17b for forming a footing portion is formed at a lower portion of the panel, and a horizontal base spacer portion 17b having the same height as the base spacer portion 1c of the outdoor form panel 1 is formed at the upper end of the panel.
Is formed, and a bolt insertion hole 17d for inserting the anchor bolt 7 is formed in the center thereof.

The corner portion of the fabric base 10 is formed by foaming a synthetic resin into a corner frame panel having the same shape as the above-mentioned corner frame panel 17 and forming the corner frame panel. It is desirable to construct by installing concrete on the indoor side of the corner portion and casting concrete inside.

In the above-described embodiment, the spacer 2c for keeping the space between the two form panels is provided integrally with the form panel 2 on the indoor side.
When the c is provided integrally, the spacer 2c hinders the arrangement work in many cases, so that the outdoor side surface 2b of the indoor form panel 2 as in the other embodiment shown in FIG.
It is preferable that a plurality of fitting holes 2e are formed in each of the holes, and a spacer 2c is fitted in each of the fitting holes 2e to be detachably attached. When the spacer 2c is detachable as described above, there is an advantage that the bar arrangement work can be easily performed by removing the obstructing spacer 2c during the reinforcement arrangement work. The other structure of the fabric foundation form shown in FIG. 6 is the same as the fabric foundation mold shown in FIGS. 1 to 6 described above. Description is omitted.

[0038]

As is apparent from the above description, the formwork for fabric foundation of the present invention has the same height only by placing and curing concrete between the formwork panels on the outdoor side and the indoor side. It is possible to build a fabric foundation with a formwork integrated structure with a horizontal foundation spacer part at the upper end, work to remove the formwork that was necessary in the past, work for "top end leveling", and installation of the foundation spacer Since no work is required, the number of work steps is reduced, and the work period can be shortened. It has a remarkable effect that it can be achieved.

The formwork panel on the outdoor side is a BMC injection-molded product whose exterior surface is a decorative surface, and the decorative surface enhances the appearance and forms a fabric base rich in design. In addition, the formwork panel for the fabric base, in which the formwork panel on the indoor side is a synthetic resin foam molded product, can suppress a rise in temperature under the floor in summer and a decrease in temperature below the floor in winter due to its heat insulating action. Such effects are also achieved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a fabric foundation formwork according to an embodiment of the present invention.

FIG. 2 is a partial perspective view of a fabric foundation constructed using the fabric foundation formwork.

FIG. 3 is a partial cross-sectional view of a wooden house in which a fabric foundation is constructed using the fabric foundation formwork.

FIG. 4 is a perspective view of a protruding corner portion of a fabric foundation constructed using the fabric foundation formwork.

FIG. 5 is a perspective view of a corner forming form panel used in a corner part of the cloth base;

FIG. 6 is an exploded perspective view of a fabric foundation formwork according to another embodiment of the present invention.

FIG. 7 is an explanatory view of a cloth base provided with a conventional base spacer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outdoor form panel 1a Step part 1b Outer surface 1c Foundation spacer part 1d Bolt insertion hole 2 Indoor form panel 2a Step part 2c Spacer 2d Deflection prevention rib 3 Root cutting 4 Split stone 5 Waste concrete 6 Concrete 7 Anchor bolt 8 Base 10 Cloth foundation 10a Footing 11 Ventilation gap

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) E04B 1/80 E04B 1/80 G Y 2/86 601 2/86 601J 601N 611 611L

Claims (7)

[Claims] 1. A horizontal base spacer portion comprising an outdoor form panel and an indoor form panel. An upper end of one of the form panels is formed integrally with a horizontal base spacer portion reaching the upper end of the other form panel. A formwork for fabric foundation characterized by being made. 2. The outdoor formwork panel is an injection-molded BMC (bulk molding compound) product whose exterior surface is a decorative surface, and a base spacer portion is integrally formed on the upper end thereof. The formwork for the described fabric foundation. 3. The fabric foundation form according to claim 1, wherein a bolt insertion hole is formed in the foundation spacer portion. 4. A fabric foundation formwork according to claim 1, wherein the indoor formwork panel is a foam molded product of a synthetic resin. 5. The fabric foundation formwork according to claim 1, wherein the indoor formwork panel is provided with a spacer for keeping a constant interval between the two formwork panels. 6. The fabric foundation formwork according to claim 5, wherein the spacer is detachable from the indoor formwork panel. 7. The fabric base formwork according to claim 1, wherein a rib for preventing deflection is formed on the formwork panel on the indoor side.