JP2023167917A - Construction method of mat foundation structure in building - Google Patents

Abstract

To provide a construction method of a mat foundation structure, especially a housing mat foundation structure, in a building, that can meet demands for labor saving in a construction, speeding up of a construction, and a construction manual, while improving construction quality.SOLUTION: A construction method of a mat foundation structure comprises: an outer frame block arrangement step of sequentially arranging outer frame blocks 14, 15, 17 on an outer peripheral rising portion A and inner rising portions B, C on a ground 1; a reinforcing bar arrangement step of sequentially arranging reinforcing bars 4 along inner surfaces of the outer frame blocks 14, 15, 17 and the ground 1; an inner frame panel arrangement step of sequentially arranging inner frame panels 5 in a supported state by the outer frame blocks 14, 15, 17; and a concrete placing step of placing concrete 6 up to a covering height of the reinforcing bars 4 between the outer frame blocks 14, 15, 17 and the inner frame panels 5, and on a bottom plate portion D.SELECTED DRAWING: Figure 1

Description

The present invention relates to a method of constructing a solid foundation structure for a building, and particularly to a method of constructing a solid foundation structure for a residence.

A solid foundation is a foundation structure in which the rising part of the foundation and one side of the base are integrated with reinforced concrete, and the load of the building is received by the entire base.Compared to cloth foundations, it is easier to improve earthquake resistance because it is supported by a surface. In addition, since the entire ground under the floor is covered with thick concrete, it is resistant to moisture and easy to prevent damage from termites. For this reason, solid foundations are widely used as foundations for residential buildings.

However, the construction of conventional solid foundations requires skill and time. First, construction work is carried out to mark the ground and how to lay it, then the ground is excavated, the excavated surface is compacted and crushed stone is laid down, concrete is poured, concrete is placed, formwork is installed around the outer periphery, and reinforcing bars are placed. , place concrete for the bottom plate, then install formwork on the rising part, pour concrete on the rising part, and finally remove the formwork and finish the rising part and bottom plate. This work required skill and a lot of time, including measuring the dimensions of the formwork.

Conventionally, solid foundation structures include those in which a solid foundation is constructed by laying a plurality of solid foundation panels (Patent Document 1), foundations constructed using foamed synthetic resin formwork (Patent Document 2), and concrete foundations. In a method in which the panel serves as the formwork for the solid foundation and also constitutes the rising part of the solid foundation (Patent Document 3), a floor insulation block made of foamed resin is laid on the ground, and the surroundings of the floor insulation block are There is a method in which a solid foundation is constructed by temporarily assembling a foundation so as to surround it, using the foundation as a formwork, and pouring concrete so as to wrap around the top and outer periphery of the floor insulation block (Patent Document 4). Proposed.

Japanese Patent Application Publication No. 04-5332 Japanese Patent Application Publication No. 2001-295288 JP2007-217871A Japanese Patent Application Publication No. 2020-41284

However, due to the long-standing labor shortage in the construction industry, and in the construction of housing foundations that require craftsmanship, there is a strong demand for labor saving, speeding up construction, and construction manuals. Previous proposals were limited to individual improvements in the construction of solid foundations, and did not meet the above requirements.

The present invention has been made in view of the above-mentioned problems, and is a solid foundation for buildings that can meet the demands for labor saving, speeding up construction, and construction manuals while improving construction quality. The purpose is to provide a method for constructing structures, especially solid foundation structures for residential buildings.

In order to solve the above problems, the present invention
A method for constructing a solid foundation structure for a building having an outer peripheral rising part and an internal rising part and a bottom part made of reinforced concrete on the ground, particularly a solid foundation structure for a residential building, the method comprising:
an outer frame block placement step of sequentially arranging outer frame blocks on a rising portion of the outer periphery and a rising portion of the interior on the ground;
a reinforcing bar arrangement step of sequentially arranging reinforcing bars bent in an L-shape along the ground and the inner surface of the outer frame block arranged at the rising part of the outer periphery and the outer frame block arranged at the inner rising part;
The inner frame panels are placed in a supporting state at a predetermined height from the ground at a predetermined interval with respect to the outer frame blocks arranged on the rising part of the outer periphery and the outer frame blocks arranged on the inner rise part. Inner frame panel placement process,
Concrete is placed between the outer frame blocks and inner frame panels placed at the rising part of the outer periphery, between the outer frame blocks and inner frame panels placed at the inner rising part, and at the bottom plate, up to the height of the reinforcing bars. The first feature is that it includes a concrete pouring process.

The method for constructing a solid foundation structure according to the present invention is as follows:
In the outer frame block placement step, a second feature is that the outer frame block includes a plate-shaped block body made of concrete and a support plate made of concrete that supports the block body in a vertical position on the ground. do.

The method for constructing a solid foundation structure according to the present invention is as follows:
In the outer frame block placement step, the outer frame block includes a plate-shaped block body made of concrete, a support plate made of concrete that supports the block body in a vertical position on the ground, and an outer frame block on the ground. The third feature is that it includes a height adjustment mechanism for adjusting the height.

The method for constructing a solid foundation structure according to the present invention is as follows:
In the inner frame panel arrangement step, the inner frame panel is supported at a predetermined height by the supporting means with respect to the outer frame block arranged at the rising part of the outer periphery, and there is a space between the inner frame panel and the ground. A fourth feature is that a communication port for concrete outflow is formed.

The method for constructing a solid foundation structure according to the present invention is as follows:
In the inner frame panel arrangement step, the inner frame panel is supported at a predetermined height by the supporting means with respect to the outer frame block arranged at the internal rising part, and there is a space between the inner frame panel and the ground. A fifth feature is that a communication port for concrete outflow is formed.

The method for constructing a solid foundation structure according to the present invention is as follows:
A sixth feature of the inner frame panel arrangement step is that the inner frame panel is made of a corrugated cardboard material filled with mortar or cement.

As explained above, according to the present invention, it is possible to construct a solid foundation structure for a building, particularly a solid foundation structure for a house, with high quality and efficiency without requiring skill and time.

Further, according to the present invention, it is possible to sufficiently meet the demands for labor saving, speeding up of construction, and manualization of construction while improving construction quality.

An explanatory diagram showing the construction procedure of a residential solid foundation structure to which the present invention is applied, A perspective view showing a state in which outer frame blocks are arranged on the outer periphery and inside, A perspective view showing the state in which reinforcing bars are placed, A perspective view showing a state in which the inner frame panel is attached to the outer frame block on the outer periphery and the inner frame block on the inside, A diagram showing the state in which concrete is poured into the rising part of the outer periphery, the rising part of the inside, and the bottom part, A plan view showing the arrangement of outer frame blocks, inner frame panels, and reinforcing bars, Side view, front view, and plan view showing the outer frame block at the outer periphery, Side view, front view, and plan view showing the internal outer frame block, Side view, front view, and plan view showing the corner block at the outer periphery, Side view, front view and plan view showing the internal corner blocks; A cross-sectional view and a plan view showing the height adjustment mechanism, A side view, a front view, and a plan view showing the state in which the inner frame panel is attached to the outer frame block on the outer periphery, Side view, front view, and plan view showing the inner frame panel attached to the inner outer frame block, It is an explanatory view showing how an inner frame panel is manufactured from corrugated cardboard.

The best mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing the construction procedure of a residential solid foundation structure according to the present invention, and FIGS. 2 to 5 are overall perspective views of the residential solid foundation structure in the middle of construction. The construction procedure will be explained below.

(Ground zoning and construction work - abandoned concrete)
First of all, in preparation for construction, we conduct construction work on the ground on which the solid foundation will be constructed, and then excavate the ground, lay crushed stone on the excavated surface, and if necessary, lay a moisture-proof sheet, and then Dump concrete will be placed at the rising parts of the building and the island-shaped rising parts inside.

(Installation of outer frame block)
Next, as shown in FIG. 1(A), an outer frame block group 11, which will become an outer frame, is installed on the concrete 2 and 3 of the excavated ground 1 at the position of the rising part A on the outer periphery, and The outer frame block groups 12 and 13, which will become the outer frame, are installed at the positions of the internal rising parts B and C (the rising part C and the outer frame block group 13 are omitted in FIG. 1(A) for convenience of drawing). . In the case of the illustrated example, as shown in FIG. 2, the outer frame block group 11 arranged in the rising part A of the outer periphery has a square shape when viewed from above, and the outer frame block group 11 arranged in the inner island-shaped rising part B The block group 12 has an L-shape in plan view, and the outer frame block group 13 disposed on the internal island-like rising portion C has an I-shape in plan view.

As shown in FIGS. 6 and 2, the outer frame block group 11 on the outer periphery is made of a long type of concrete placed on top of the concrete 2 (see FIG. 1 (A)) along the outer frame position of the rising part A on the outer periphery. An outer frame block 14 and a short type outer frame block 15 are successively installed, and corner blocks 16 are installed at the four corners. In this way, the entire structure is arranged in a square shape (in the illustrated example, four outer frame blocks 14, 15 and four corner blocks 16 are used).

As shown in FIGS. 6 and 2, the internal outer frame block group 12 includes short outer frame blocks 17 that are successively installed in an L-shape along the outer frame position of the internal island-shaped rising portion B. Corner blocks 18 are installed at the corners and both ends (in the illustrated example, two outer frame blocks 17 and five corner blocks 18 are used).

As shown in FIGS. 6 and 2, the inner outer frame block group 13 is constructed by installing short outer frame blocks 17 in an I-shape along the outer frame position of the rising part C of the inner island, and A corner block 18 is installed (in the illustrated example, one outer frame block 17 and four corner blocks 18 are used).

7A, 7B, and 7C show a long type of outer frame block 14 used in the outer frame block group 11. The outer frame block 14 has a rectangular shape with a predetermined length L, a predetermined height H, and a predetermined width W, and includes a block body 21 made of plate-shaped concrete and supports the block body 21 in a vertical position on the ground. It is composed of a plurality of (four in the illustrated example) support plates 22 made of concrete. The support plates 22 are attached to the lower surface of the block body 21 at regular intervals in a perpendicular direction.

The short type outer frame block 15 used in the outer frame block group 11 includes a plate-shaped concrete block body 23 and a plurality of concrete blocks (2 in the illustrated example) that support the block body 23 in a vertical position on the ground. (see FIG. 6). The support plates 24 are attached to the lower surface of the block body 23 at regular intervals in a perpendicular direction. The length of the block body 23 is exactly 1/2 of the length of the block body 21 of the outer frame block 14, and the height and width are the same.

FIGS. 8A, 8B, and 8C show a short type of outer frame block 17 used for the inner outer frame block groups 12 and 13. The outer frame block 17 includes a plate-shaped block body 25 made of concrete, and a plurality of support plates 26 (two in the illustrated example) made of concrete that support the block body 25 in a vertical position on the ground. The support plates 26 are attached to the lower surface of the block body 25 at regular intervals in an intersecting direction. The block body 25 has the same length, height, and width as the block body 23 of the short type outer frame block 15 described above.

As shown in FIGS. 8A and 8B, the outer frame block 17 is provided with a communication port 27 for concrete inflow having a height h1 between the block body 25 and the ground. This communication port 27 serves to integrate the concrete 6 of the internal rising parts B and C with the concrete 6 of the bottom plate part D during concrete filling.

The outer frame block 17 shown in FIG. 8 is a short type, but if the dimensions of the internal island-shaped rising parts B and C are designed to be long, the length of the outer frame block 17 is twice as long as that of the outer frame block 17 (not shown). A long type can be used.

FIGS. 9A, 9B, and 9C show corner blocks 16 used in the outer frame block group 11. The corner block 16 is L-shaped in plan view and is composed of a block body 28 made of concrete and a support plate 29 made of concrete that supports the block body 28 in a vertical position on the ground. The height of the corner block 16 is the same as the height of the outer frame block 14, and the width of the block body 28 is the same as the width of the block body 21.

FIGS. 10(A), 10(B), and 10(C) show corner blocks 18 used in the inner outer frame block groups 12 and 13. The corner block 18 is L-shaped in plan view and is composed of a block body 31 made of concrete and a support plate 32 made of concrete that supports the block body 31 in a vertical position on the ground. The height of the corner block 18 is the same as the height of the outer frame block 17, and the width of the block body 31 is the same as the width of the block body 25.

As shown in FIG. 10(B), the corner block 18 is provided with a communication port 33 for concrete inflow having a height h2 between a part of the block body 31 and the support plate 32. Similar to the communication port 27 provided in the outer frame block 17, this communication port 33 serves to integrate the concrete 6 of the internal rising portions B and C with the concrete 6 of the bottom plate portion during concrete filling.

FIGS. 11A and 11B show the height adjustment mechanism 34 attached to the support plates 22, 24, and 26 of the outer frame blocks 14, 15, and 17. The height adjustment mechanism 34 has a cylindrical nut 36 attached to a through hole 35 provided in the support plates 22, 24, 26 (the illustrated example shows the support plate 22) from the upper surface to the lower surface. An adjuster 37 is screwed together. The adjuster 37 consists of a main body part 37a that is screwed into the inner surface of the nut 36, and a leg part 37b provided at the lower part of the main body part 37a.

The height adjustment mechanism 34 is configured by engaging and rotating the tip of a driver jig (a Phillips screwdriver) with an engaging portion 38 (see FIG. 11(B)) provided on the head of the main body portion 37a. The amount of protrusion and retraction of the foot portion 37b from the lower surface of the support plates 22, 24, 26 is adjusted, thereby adjusting the height of each support plate 22, 24, 26 from the ground 1, and the outer frame blocks 14, 15, 17 can be stably supported on the ground 1.

(Arrangement of reinforcing bars)
Next, as shown in FIG. 1(B) and FIG. 3, an outer frame block group 11 that becomes the outer frame is placed at the position of the rising part A on the outer periphery, and an outer frame is placed at the position of the inner island-like rising parts B and C. After arranging the outer frame block groups 12 and 13, reinforcing bars 4 bent in an L-shape are placed along the inner surfaces of the outer frame block groups 11 and 12 and 13 and the ground 1 as a spacer. 39 to support them from below (note that in FIG. 1(B), the rising portion C and the outer frame block group 13 are omitted for convenience of drawing).

As shown in FIGS. 6 and 3, the reinforcing bars 4 are arranged in a lattice pattern at predetermined intervals on the bottom panel D, and are also placed on the rising parts A on the outer periphery and the rising parts B and C on the inside along the shape of the reinforcing bars 4. Place inside. The placed reinforcing bars 4 tie together the intersections at the horizontal part 4A, and also tie the vertical reinforcing bars 4 in the upper and lower horizontal directions that intersect thereto to the vertical part 4B. The distance from the inner surface of the outer frame block 14 etc. of the reinforcing bar 4 and the height from the ground 1 are specified dimensions (in the illustrated example, the distance from the inner surface is about 4.5 cm, and the height from the ground is about 12 cm). do.

(Arrangement of inner frame panel)
Next, as shown in FIG. 1(C) and FIG. For each outer frame block 17 of the outer frame block groups 12 and 13, a plate-shaped inner frame panel is installed at a predetermined height from the ground 1 at each inner frame position at a predetermined interval (with the reinforcing bar 4 in the center). 5 in a supported state and arranged one after another.

12(A), (B), and (C) show that bolts 41 and nuts 42 are used to tighten the outer frame blocks 14 to each outer frame block 14 of the outer frame block group 11 arranged on the rising portion A of the outer periphery. A state in which plate-shaped inner frame panels 5 are supported at predetermined intervals in parallel with the direction is shown. The inner frame panel 5 is supported on the outer frame block 15 in the same manner. In this supported state, an opening 43 to be filled with concrete is provided on the upper surface, and a communication port 44 of a predetermined height h3 is provided on the lower portion between the lower surface of the inner frame panel 5 and the ground 1.

13(A), (B), and (C) show that each outer frame block 17 of the outer frame block groups 12, 13 arranged in the internal rising parts B, C is A state in which plate-shaped inner frame panels 5 are supported at predetermined intervals in parallel with the direction of the frame block 17 is shown. In this supported state, an opening 43 to be filled with concrete is provided on the upper surface, and a communication port 44 of a predetermined height h3 is provided on the lower portion between the lower surface of the inner frame panel 5 and the ground 1.

The lower communication port 44 of the inner frame panel 5 serves to integrate the concrete 6 of the rising portion A on the outer periphery and the concrete 6 of the bottom plate portion D, and the concrete 6 of the rising portions B and C of the inside and the bottom plate portion D, respectively, when filling concrete. .

The inner frame panel 5 can be made of a precast concrete product, a plastic board, a wood wool board, a transparent or opaque acrylic board, expanded polystyrene, mortar-filled cardboard, or the like. Precast concrete products are compatible with poured concrete, and plastic boards are lightweight and easy to construct. The wood wool board has a rough interface with the poured concrete and has excellent adhesion. Acrylic plates are lightweight and have excellent workability, and by using transparent acrylic plates, you can clearly see the filling status of poured concrete.

FIG. 14 is an example of mortar-filled corrugated board. A plate-shaped corrugated board 45 shown in FIG. 14 is composed of two outer liners 45a and a wavy core 45b. When the vacuum device 46 is set at the rear end of the cardboard 45, the front end of the cardboard 45 is immersed in the mortar (or cement paste) 48 stored in the container 47, and the vacuum device 46 is operated, the mortar 48 in the container 47 is It is sucked into the gap inside the cardboard 45 from the front end opening 45c of the cardboard 45, and the entire inside is filled. The mortar-filled corrugated board manufactured in this way can be used for the inner frame panel 5.

When mortar-filled corrugated cardboard is used for the inner frame panel 5, inexpensive and lightweight corrugated cardboard can be used for the inner frame panel, and rigidity can be improved by filling it with mortar. Filling with mortar also serves as an anti-termite measure. If a transparent acrylic plate is used for the inner frame panel 5, the inside can be seen, so the degree of concrete filling can be checked during concrete filling work.

(Filling and pouring of concrete)
Next, as shown in FIG. 1(D) and FIG. Between each outer frame block 17 and inner frame panel 5 of the outer frame block groups 12 and 13 arranged in B and C, concrete (ready concrete) 6 is sequentially filled from the opening 43 on the top surface, and the bottom plate part D Concrete (ready concrete) 6 is also placed on the concrete. Concrete 6 is filled to the upper end covered by the reinforcing bars 4 placed inside for the rising part A on the outer periphery and the rising parts B and C inside, and is poured to the predetermined covering height of the reinforcing bars 4 in the bottom plate part D. do.

Through the above steps, a solid foundation structure for a residential building is constructed.

According to the above embodiment, the outer frame blocks 14 and 15 and the corner blocks 16 are arranged in the rising part A of the outer periphery, and the outer frame blocks 17 and the corner blocks 18 are arranged in the rising parts B and C of the inner island, respectively. By attaching the frame panel 5, it becomes easy to measure the dimensions of the foundation, and a series of construction operations from reinforcing reinforcement to concrete pouring can be carried out efficiently without requiring much skill or time.

By arranging the outer frame blocks 14, 15 and the corner blocks 16 at the rising part A of the outer periphery, there is no joining part (which tends to become a weak part) on the rising part of the outer periphery, and cracks that occur at the joining part from the outside when flooded are eliminated. There is no chance of water leaking into the interior or termites getting inside. In addition to the arrangement of the outer frame blocks and corner blocks, the concrete poured in the rising part A of the outer periphery and the rising parts B and C of the inner island is poured into the bottom plate part D through the communication ports 27, 33, and 44, respectively. Since it is firmly integrated with the concrete and there are no joints, it can double protect against water leakage due to cracks as described above and termite intrusion. The finishing quality of concrete improves dramatically.

The outer frame blocks 14, 15, 17 and corner blocks 16, 18 arranged in the rising part A of the outer periphery and the rising parts B and C of the inner island, and the inner frame panel 5 attached to these are used as a permanent formwork, Never discarded. Waste can be reduced.

The outer frame blocks 14, 15, 17 and the corner blocks 16, 18 are made of factory-produced precast concrete and can have high strength (for example, the strength of cast-in-place concrete is 35 N/mm2, compared to 21 N/mm2), The structural strength of the entire foundation can be increased. The width of a normal foundation is about 12 cm, but the total width of the foundation can be increased to about 18 cm, which also increases the structural strength.

According to the method for constructing a flat foundation for a residential building of this embodiment, it is fully possible to meet the demands for labor saving, speeding up of construction, and creation of a construction manual while improving construction quality.

By making the internal rising part other than the outer periphery into an island shape, the internal space of the foundation can be widely seen, and the interior of the foundation can be regularly monitored by self-propelled AI monitoring robots, etc., to prevent deterioration and abnormalities inside the foundation. It can be preserved.

The outer frame blocks and corner blocks are manufactured using steel formwork in a factory, and a stone pattern or the like can be added to the outer surface of the outer frame blocks at the outer periphery, thereby adding value to the building.

The layout of the solid foundation shown in the above embodiment is an example, and the present invention is not limited thereto. For example, it can be widely applied to the layout of residential solid foundations that have projecting and entering corners. Further, the present invention is not limited to solid foundation structures for houses, but can be widely applied to solid foundation structures for buildings. For example, it can be applied to a solid foundation structure for a wooden warehouse, and by changing the width of the opening, it can also be applied to a solid foundation structure for a steel frame structure.

Thus, according to the present invention, it is possible to provide a method for constructing a flat foundation structure for a residential building that can meet the demands for labor saving, speeding up construction, and creating a construction manual while improving construction quality. can.

INDUSTRIAL APPLICATION This invention can be utilized as a method of constructing the solid foundation structure in a building, especially the solid foundation structure for a house.

1 Ground 2, 3 Discarded concrete 4 Rebar 5 Inner frame panel 6 Concrete (ready-mixed concrete)
11, 12, 13 Outer frame block group 14 Long type outer frame block 15, 17 Short type outer frame block 16, 18 Square block 21, 23, 25, 28, 31 Block body 22, 24, 26, 29, 32 Support plate 27, 33, 44 Communication port 34 Height adjustment mechanism 35 Through hole 36, 42 Nut 37 Adjuster 38 Engagement part 39 Spacer 41 Bolt 43 Opening 45 Cardboard 46 Vacuum device 47 Container 48 Mortar A Rising part on outer periphery B, C Inner island-shaped rising part D Bottom plate part

In order to solve the above problems, the present invention
A method for constructing a solid foundation structure for a building having an outer peripheral rising part and an internal island-like rising part and a bottom part made of reinforced concrete on the ground, particularly a solid foundation structure for a residential building, the method comprising:
On the ground, along the outer frame position excluding the corners of the rising part of the outer periphery, there is a concrete plate-shaped block body and a plurality of concrete support plates that support the block body in a vertical position on the ground. The outer frame blocks for the outer periphery, which are inverted T-shaped when viewed from the side, are arranged in succession while adjusting the height from the ground using the height adjustment mechanism attached to the support plate, and the outer periphery is raised up. A peripheral outer frame block in which a corner block consisting of a concrete block body that is L-shaped in plan view and a concrete support plate that supports the block body in a vertical position on the ground is placed at the corner of the area. placement process,
A concrete plate-shaped block body is supported on the ground in a vertical position along the outer frame position excluding the corners and/or ends of the internal island-like rising part . The internal outer frame block, which is composed of a plurality of concrete support plates and has an inverted T shape when viewed from the side, is placed while adjusting the height from the ground using a height adjustment mechanism attached to the support plates. At the corner and/or end of the internal island-like rising part, there is a concrete block body that is L-shaped in plan view, and a concrete support plate that supports the block body in a vertical position on the ground. an inner and outer frame block arrangement step of arranging a corner block composed of ;
The outer frame blocks and corner blocks for the outer periphery placed on the rising part of the outer periphery, and the outer frame blocks and corner blocks for the interior placed on the island-shaped rising part of the inside, are bent into an L-shape along the inner surfaces and the ground. a reinforcing bar placement process in which the reinforcing bars are sequentially placed while being supported from below using spacers installed in the ground ;
Using support means, the outer frame blocks for the outer periphery arranged on the rising part of the outer periphery and the outer frame blocks for the interior arranged on the inner island - like rising part are placed at predetermined intervals and with the reinforcing bars in the center. , At a predetermined height from the ground, install an inner frame panel selected from the following materials: plastic board other than concrete, wood wool board, transparent or opaque acrylic board, styrofoam, and mortar-filled cardboard, between the inner frame panel and the ground . an inner frame panel arrangement step of sequentially arranging the inner frame panels parallel to the orientation of each outer frame block, with a communication opening for concrete outflow formed between the inner frame panels;
Between the outer frame block for the outer periphery and the corner block placed on the rising part of the outer periphery and the inner frame panel, between the outer frame block for the interior and the corner block placed on the inner island-like rising part and the inner frame panel, Equipped with a concrete pouring process that pours concrete at the base of the base up to the height of the reinforcing bars.
For the outer frame block for the outer periphery and the outer frame block for the interior, each support plate is attached to the bottom surface of the block body at regular intervals in a perpendicular direction. The first feature is that a communication port of a predetermined height is provided for inflow .

The method for constructing a solid foundation structure according to the present invention is as follows:
In the inner frame panel arrangement step, the inner frame panel is made of a mortar-filled corrugated cardboard material, and the front end of the mortar-filled corrugated cardboard material is immersed in the mortar or cement paste stored in the container, and the rear end is immersed in the mortar or cement paste stored in the container. The second feature is that the mortar or cement paste in the container is sucked into the internal gap from the opening at the front end by a vacuum device installed in the container, thereby filling the entire interior of the container.

Claims (6)

A method for constructing a solid foundation structure for a building having an outer peripheral rising part and an internal rising part and a bottom part made of reinforced concrete on the ground, particularly a solid foundation structure for a residential building, the method comprising:
an outer frame block placement step of sequentially arranging outer frame blocks on a rising portion of the outer periphery and a rising portion of the interior on the ground;
a reinforcing bar arrangement step of sequentially arranging reinforcing bars bent in an L-shape along the ground and the inner surface of the outer frame block arranged at the rising part of the outer periphery and the outer frame block arranged at the inner rising part;
The inner frame panels are placed in a supporting state at a predetermined height from the ground at a predetermined interval with respect to the outer frame blocks arranged on the rising part of the outer periphery and the outer frame blocks arranged on the inner rise part. Inner frame panel placement process,
Concrete is placed between the outer frame blocks and inner frame panels placed at the rising part of the outer periphery, between the outer frame blocks and inner frame panels placed at the rising part of the inside, and at the position of the bottom plate, up to the height of the reinforcing bars. Equipped with a concrete pouring process,
A construction method for a solid foundation structure characterized by the following. In the outer frame block arrangement step, the outer frame block includes a plate-shaped block body made of concrete and a support plate made of concrete that supports the block body in a vertical position on the ground. The method for constructing a solid foundation structure according to item 1. In the outer frame block placement step, the outer frame block includes a plate-shaped block body made of concrete, a support plate made of concrete that supports the block body in a vertical position on the ground, and an outer frame block on the ground. 2. The method for constructing a solid foundation structure according to claim 1, further comprising a height adjustment mechanism for adjusting the height. In the inner frame panel arrangement step, the inner frame panel is supported at a predetermined height by the supporting means with respect to the outer frame block arranged at the rising part of the outer periphery, and there is a space between the inner frame panel and the ground. 2. The method for constructing a solid foundation structure according to claim 1, wherein a communication port for concrete outflow is formed. In the inner frame panel arrangement step, the inner frame panel is supported at a predetermined height by the supporting means with respect to the outer frame block arranged at the internal rising part, and there is a gap between the inner frame panel and the ground. 2. The method for constructing a solid foundation structure according to claim 1, wherein a communication port for concrete outflow is formed. 2. The method for constructing a solid foundation structure according to claim 1, wherein in the inner frame panel arrangement step, the inner frame panel is made of a corrugated cardboard material filled with mortar or cement.

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