JPH11343628A - Footing/retaining wall construction material and construction method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method for a footing/retaining wall so as to accomplish easy molding, improved productivity, easy conveyance and installation of material to a field, excellent handling property, and comparatively easy assembly in the field. SOLUTION: In this construction method, L-shaped panels 1, 2, in each of which a horizontal part H and a vertical part V and a substantially V-shaped vertical cross section are provided while through holes (a) are formed in the horizontal part H at fixed intervals, are used, and one L-shaped panel 2 is set upside down to the other L-shaped panel 1 so that their horizontal parts H are fitted to the vertical parts V of respective counterparts. Assembly is carried out by means of an upper holding part UH and a lower holding part LH previously formed in the horizontal part H and the vertical part V individually in each of the panels 1, 2 so that a vertical cross section is formed into a frame shape, and through a plurality of through holes (a) in the horizontal part H of the panel 2 set upside down, freshly mixed concrete is placed into the frame form, and consequently, a footing or retaining wall is constructed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention simplifies on-site construction work by combining precast panels of a predetermined shape at the site when constructing a foundation of a building, a foundation of a park, a flower bed, a road, or a retaining wall. TECHNICAL FIELD The present invention relates to a foundation or retaining wall construction material and a construction method thereof that can be made into a structure.

[0002]

2. Description of the Related Art Building foundations, parks, flowerbeds, and other foundations or retaining walls are conventionally constructed by placing a formwork at the site and hitting concrete. In addition, since each process such as installation of formwork, assembling of rebar, concrete casting, etc. can not be done at the same time,
The work efficiency is poor and requires a long construction period.
There were many problems.

[0003] For this reason, the present applicant has previously integrated the reinforcing steel and concrete into a block having a shape having a cavity therein, laid crushed stone in a groove for a foundation, and installed the concrete block. A concrete block has been proposed in which a foundation can be made simply by placing concrete after inserting a reinforcing bar or an anchor bolt into the cavity of the concrete block as necessary (Japanese Patent Laid-Open No. 5-17956). And JP-A-6-193077).

In order to further improve the workability of concrete block production, Japanese Patent Application Laid-Open No.
No. 279613, a pair of panels arranged in parallel, a spacer arranged between these panels and connecting the panels, and connected in a predetermined shape in advance, and arranged between the panels, There has been proposed a foundation or retaining wall construction material that includes a reinforcing bar supported by a spacer and that bonds the pair of panels through the spacer.

[0005]

However, the construction materials for foundations disclosed in JP-A-5-17956, JP-A-6-193077, and JP-A-9-279613 are also disadvantageous in terms of productivity and handleability. There was room for further improvement.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to make it easy to mold and have high productivity, to transport and install materials to the site easily, to handle easily, and to make the on-site assembly work relatively simple. An object of the present invention is to provide a foundation or retaining wall construction material and a construction method thereof.

[0007]

In order to achieve the above object, a foundation or retaining wall construction material of the present invention has a horizontal portion and a vertical portion, and has a substantially L-shaped vertical cross section. It is characterized in that the through holes have L-shaped panels formed at predetermined intervals.

For example, when a pair of L-shaped panels are assembled in a frame shape, the construction material has a box shape having upper and lower surfaces being horizontal portions and both side surfaces having vertical portions. When the concrete is installed at the site in such a state and the fresh concrete is poured through the through holes in the horizontal portion, the concrete is filled in the inside of the panel to form a foundation or a block for a retaining wall.

Further, since this construction material is constituted by a panel having a horizontal portion and a vertical portion and having a substantially L-shaped vertical section, it is relatively simple in shape and easy to mold, and has good productivity. . Furthermore, since each panel is relatively lightweight, it can be easily transported and installed on the site, and handling is improved. Furthermore, since the assembling is relatively easy, on-site work is also facilitated.

[0010] In a preferred embodiment of the construction material of the present invention, a groove is formed along the inner side of the tip of the horizontal portion,
When a pair of the L-shaped panels are assembled in a frame shape, the leading edge of the vertical portion of the other side is fitted into the groove.

According to this, when the pair of L-shaped panels are assembled in a frame shape, the vertical edge of the mating panel is fitted into the groove formed along the inner side of the horizontal portion. , Is stably held in a state of being assembled in a frame shape, and the assembling work is facilitated.

Further, in the construction material of the present invention, it is preferable that a hole or notch for inserting a reinforcing bar is provided in the vertical portion.

[0013] According to this, the block formed by the L-shaped panel and the block adjacent thereto can be firmly joined via the reinforcing bar by inserting the reinforcing bar through the hole or the notch in the vertical portion. Becomes

Further, in the construction material of the present invention, it is preferable that ridges projecting outward in the vertical direction are formed along both sides of the horizontal portion.

According to this, when the ready-mixed concrete is poured from the through hole of the horizontal portion, the ridges formed along both sides of the horizontal portion can prevent the ready-mixed concrete from spilling to the outside. Is easily filled inside.

Still further, the construction material of the present invention is characterized in that the L-shaped panel having a horizontal portion and a vertical portion and having a substantially L-shaped vertical cross section, and an inner side of a front end portion of the horizontal portion of the L-shaped panel. It may have a flat panel whose one side abuts and is erected in parallel with the vertical portion of the L-shaped panel.

According to this, the L-shaped panel is disposed with its horizontal portion facing downward, and the lower side of the flat panel is brought into contact with the inner side of the tip of the horizontal portion, so that the flat panel is attached to the L-shaped panel. A base or a block for a retaining wall is formed by placing ready-mixed concrete in a U-shaped recess formed by the L-shaped panel and the flat panel in such a state as to be supported in parallel with the vertical portion. be able to.

One of the construction methods of the foundation or the retaining wall of the present invention is that a vertical section has a substantially L-shape having a horizontal portion and a vertical portion, and through holes are formed in the horizontal portion at predetermined intervals. A pair of L-shaped panels are assembled in a frame shape, and ready-mixed concrete is poured through the through holes in the horizontal portion.

According to this, a pair of L-shaped panels are assembled in a frame shape, and only fresh concrete is poured into the inside,
Blocks for foundations or retaining walls can be formed, simplifying on-site work, dramatically reducing the number of working days and reducing labor compared to conventional methods.

Another method of constructing a foundation or retaining wall according to the present invention is that a vertical section has a substantially L-shape having a horizontal portion and a vertical portion, and through holes are formed in the horizontal portion at predetermined intervals. The L-shaped panel is placed with the horizontal part downward, and the lower side of the flat panel is brought into contact with the inner side of the tip of the horizontal part to support the flat panel parallel to the vertical part of the L-shaped panel. In this state, ready-mixed concrete is poured into a U-shaped recess formed by the L-shaped panel and the flat panel.

According to this, since one of the members may be a flat panel, the manufacturing cost of the panel can be reduced and a panel decorated with a brick tone or the like can be easily adopted.

According to a preferred embodiment of the method for constructing a foundation or a retaining wall of the present invention, an L-shaped panel arranged with its horizontal portion downward, and an L-shaped panel or a flat panel assembled on the L-shaped panel. The two longitudinal ends are shifted from each other.

According to this, it is possible to improve the linearity and strength at the connecting portion of the panels adjacent in the longitudinal direction.

[0024]

1 is a perspective view showing one embodiment of a foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. FIG. 2 is a cross-sectional view of the construction material, in which (a) is an exploded state,
(B) shows an assembled state.

This construction material comprises a pair of L-shaped panels 1 and 2
have. The L-shaped panels 1 and 2 have substantially the same L-shaped longitudinal section, and both have the same shape.
Upside down. Therefore, the features of the shape will be described with the L-shaped panel 1 as a representative.
And a holding groove b is provided along the inner side of the front end of the horizontal portion H, and the front end of the vertical portion V is formed in a ridge c which can be closely fitted to the holding groove b. ing. Then, the ridge c of the L-shaped panel 2 is fitted into the holding groove b of the L-shaped panel 1,
When the ridge c of the L-shaped panel 1 is fitted into the holding groove b of the L-shaped panel 2, a box frame shape is formed and held. That is, the upper holding portion UH is formed by the holding groove b of the L-shaped panel 2 and the ridge c of the L-shaped panel 1, and is formed by the holding groove b of the L-shaped panel 1 and the ridge c of the L-shaped panel 2. The lower holding part LH is formed.

The through hole a in the horizontal portion H of the L-shaped panel 2 serves as a filling port for filling the ready-mixed concrete into the inside.
The through hole a in the horizontal portion H of the character panel 1 serves as an outlet for letting the ready-mixed concrete flow downward and fix it to the crushed stone 6 laid below. In addition, before or after assembling the L-shaped panels 1 and 2, it is preferable to arrange the reinforcing bar group R inside. In the illustrated example, the reinforcing bar group R includes a horizontal bar R1 and a connecting bar R.
2, connecting muscle R3 and the like.

The outer surfaces of the vertical portions V of the L-shaped panels 1 and 2 may be provided with, for example, a brick-like relief pattern as shown in FIG. Also, the assembling position of the opposite L-shaped panel 2 with respect to the L-shaped panel 1 is L
By displacing in the longitudinal direction without being aligned with the character panel 1, the rigidity and linearity at the connection between adjacent panels can be increased.

Next, a method of constructing a foundation using the construction material will be described. First, a groove 5 for burying a foundation in the ground 4
, Crushed stones 6 are laid in the inside of the groove 5, the L-shaped panel 1 is set on an appropriate floor plate 7, and the L-shaped panel 2 is turned upside down
Of the L-shaped panel 1 is fitted into the holding groove b of the L-shaped panel 1 and the protrusion c of the L-shaped panel 1 is fitted into the holding groove b of the L-shaped panel 2.
Is fitted, a box frame shape is formed and held. Rebar group R
Is inserted into the box frame shape from the insertion through hole a, or is inserted between the L-shaped panels 1 and 2 before the box frame shape is formed, and a predetermined shape of the box frame shape is Set to position. At this time, if the end of the connecting bar R3 is viewed upward and outward from the through hole a, it can be easily connected to, for example, a reinforcing bar on the building side. When the ready-mixed concrete 8 is poured into the box frame shape from the through hole a of the L-shaped panel 2, the ready-mixed concrete 8
L-shaped panels 1 and 2 which flow down from the through-hole a of the L-shaped panel 1 and are also driven into the crushed stone 6 and the groove 5 and joined after curing.
Is jointed to the ground 4 integrally. After predetermined curing, backfill soil 9 is put in the trench 5.

In this manner, the simple operation of simply turning the L-shaped horizontal portion H and the vertical portion V to each other by inverting the other L-shaped panel 2 with respect to the one L-shaped panel 1 and joining each other, Since it is held in a box frame shape by the upper holding unit UH and the lower holding unit LH, conventional operations such as bonding two base members are unnecessary. By using the through-holes a of the L-shaped panels 1 and 2, it is possible to easily cast concrete and install the reinforcing bar group R, so that the on-site work is extremely simple. ,
This is particularly effective in shortening the construction period.

FIG. 3 is a perspective view showing another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. FIG. 4 is a sectional view showing an assembled state of the construction material. In addition, FIG.
The same reference numerals are given to substantially the same parts as in the second embodiment,
The description is omitted.

This construction material is similar to the above embodiment,
A pair of L-shaped panels 21 and 22 having a substantially L-shaped vertical section.
A plurality of rebar insertion holes d penetrating left and right are formed at predetermined intervals along the longitudinal direction in at least one L-shaped panel, in the example of FIGS. Have been. In this construction material, the end of the connecting bar R4 set in the box frame shape is pulled out of the reinforcing bar insertion hole d in the lateral direction of the box base 23, thereby being constructed beside the box base 23. For example, it can be easily coupled to the reinforcing bar R5 of the building base 24.

FIG. 5 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. FIG. 6 is a sectional view showing an assembled state of the construction material. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

This construction material is also similar to the above embodiment,
A pair of L-shaped panels 31, 32 each having a substantially L-shaped vertical section.
5 and 6, at the edge of the vertical portion V of the L-shaped panel 32 in the example of FIGS. Two are provided along the longitudinal direction of the L-shaped panel 32. In this construction material, the end of the connecting bar R4 set in the box frame shape is
Pull it out from the notch e in the lateral direction of the box-shaped foundation 33,
A reinforcement base 34 is formed beside the L-shaped panel 32, and a reinforcing bar R5 of, for example, a building base 35 to be constructed beside the reinforcement base 34
To the end of the connecting bar R4. The reinforcing foundation 34 can also be constructed from the fresh concrete 8 that has flowed out of the notch e when the box-shaped foundation 33 is cast.

FIG. 7 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. FIG. 8 is a cross-sectional view of the construction material, (a) is an exploded state, (b)
Indicates an assembled state. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

This construction material is also similar to the above embodiment,
A pair of L-shaped panels 41 and 42 having a substantially L-shaped vertical section.
have. Then, ridges f, f projecting outward in the vertical direction along both sides of the horizontal portion H of the L-shaped panels 41, 42.
Is provided.

In this embodiment, the ready-mixed concrete 8 to be poured into the box frame shape from the through hole a of the other L-shaped panel 42 which is turned upside down, is projected upward and outward from the left and right of the through hole a. Since it is guided by the strips f, f, it does not spill out of the box frame shape.

Also, the ready-mixed concrete 8 discharged from the through hole a of one L-shaped panel 41 which is not inverted and held in an L-shape and is downwardly formed in a box frame shape is directed right and left outward of the through hole a. Guided by the ridges f, f, the degree of turning of the ready-mixed concrete 8 to, for example, the crushed stone 6 below the box frame shape is improved.

FIG. 9 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. FIG. 10 is a cross-sectional view of the construction material, in which (a) is an exploded state,
(B) shows an assembled state. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

This construction material is composed of an L-shaped panel 51 having a horizontal section H and a vertical section V and having a substantially L-shaped vertical section, and a flat plate assembled parallel to the vertical section V of the L-shaped panel 51. And a panel 52. The ridge c on the lower edge of the flat panel 52 is fitted into the holding groove b of the horizontal portion H of the L-shaped panel 51, and is placed on the upper surface of the horizontal portion H to vertically cut the L-shaped panel 51 and the flat panel 52. The surface is formed in a substantially U-shape. This U-shaped holding is performed by lower holding portion LH by engagement of holding groove b of horizontal portion H with lower edge portion of flat panel 52, upper edge portion of vertical portion V of L-shaped panel 51 and flat panel 52. This is done by a spacing holder 54 that connects the upper edge of the lens.

The spacing holder 54 includes a holder main body 55 having a U-shaped vertical section, and left and right feet 55a of the holder main body 55.
It is composed of push screws 56, 56 screwed into 55a, and vertical pressers 55b, 55b projecting from the lower surface of the holder body 55. And L-shaped panel 51 and flat panel 5
2, when the vertical section is formed in a substantially U-shape, the upper ends of the vertical portion V of the L-shaped panel 51 and the flat panel 52 are
The push screws 56, 56 which are brought into contact with the outer side surfaces of the vertical pressers 55b, 55b and are screwed into the left and right foot portions 55a, 55a,
By pressing the upper ends of the vertical portion V of the L-shaped panel 51 and the flat panel 52 in the direction of the vertical pressing members 55b, 55b, the vertical portion V of the L-shaped panel 51 and the flat panel 52 are pressed.
Can be held at predetermined intervals.

Therefore, when this construction material is used, first, a groove 5 for burying a foundation is dug in the ground 4 and the groove 5
A crushed stone 6 is laid inside, and an L-shaped panel 5
1 is fitted, the ridge c on the lower edge of the flat panel 52 is fitted into the holding groove b of the L-shaped panel 51, and the vertical portion V of the L-shaped panel 51 and the flat panel 52 Are held at predetermined intervals. Also,
The reinforcing bar group R is inserted into the U-shape from the open end of the U-shape.
At this time, if the end of the connecting bar R3 is viewed upward from the open end, the connecting bar R3 can be easily connected to, for example, a reinforcing bar on the building side. When the ready-mixed concrete 8 is poured into the U-shape from the open end of the U-shape, the ready-mixed concrete 8 becomes L
It flows out of the through-hole a of the character panel 51, is also driven into the crushed stone 6, the groove 5, and the like, and undergoes a predetermined curing to form a foundation 53 surrounded by the L-shaped panel 51 and the flat panel 52. In addition, backfill soil 9 is put in the groove 5 after curing.

In this embodiment, the flat panel 52 is placed on the upper surface of the horizontal portion H of the L-shaped panel 51 so that the L-shaped panel 51
The vertical section V has a U-shaped cross section by a simple operation of simply holding the vertical portion V and the flat panel 52 at a predetermined interval by the interval holder 54.
It can be formed into a box frame shape, and fresh concrete 8 can be poured from the open end of this U-shape, and rebar can be easily incorporated, making site work extremely simple. The construction period can be shortened.

FIG. 11 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) shows an exploded state and (b) shows an assembled state. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

This construction material includes an L-shaped panel 2 similar to the embodiment shown in FIGS. 1 and 2, and an L-shaped panel 61 formed by connecting the same L-shaped panel in a hook shape in plan view. It consists of a combination. Then, the L-shaped panel 2 is turned upside down and assembled to the L-shaped panel 61, and the fresh concrete is poured through the through hole a in the horizontal portion H and the opening A in the corner portion of the L-shaped panel 2, thereby forming the foundation of the corner portion. Can be easily made.

FIG. 12 is a sectional view of an assembled state showing still another embodiment of the foundation or retaining wall construction material according to the present invention. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted.

This construction material is composed of an L-shaped panel 2 similar to the embodiment shown in FIGS. 1 and 2, and a modified L-shaped panel 71 combined with the L-shaped panel 2. The modified L-shaped panel 71 is provided with a horizontal portion H having a through hole a, a vertical portion V extending in an L-shape with respect to the horizontal portion H, and protruding outward from a lower edge of the vertical portion V. Block HB.

Then, the L-shaped panel 2 is mounted upside down on the modified L-shaped panel 71 to form a box frame. After the reinforcing bars R are provided inside the box frame, the horizontal portion H of the L-shaped panel 2 penetrates. By casting the ready-mixed concrete 8 through the hole a, a foundation integral with the block portion HB can be made.

Various structures other than those shown in the drawings can be applied to the upper holding unit UH and the lower holding unit LH in the above embodiments. That is, although not shown, a projection equivalent to the ridge c in FIG. 1 is protruded in the horizontal portion H, and a projection equivalent to the holding groove b is recessed in the lower portion of the vertical portion V. The upper holding portion UH and the lower holding portion LH each including a holding groove and a holding groove.

[0049]

As described above, the foundation or retaining wall construction material of the present invention has a horizontal portion and a vertical portion, and has a substantially L-shaped vertical section, and a through hole is formed in the horizontal portion at a predetermined interval. For example, a pair of L-shaped panels are assembled in a frame shape, and ready-mixed concrete is poured through a through hole in a horizontal portion to easily form a block for a foundation or a retaining wall. be able to.

Since the construction material of the present invention is constituted by an L-shaped panel having a horizontal portion and a vertical portion and having a substantially L-shaped vertical section, it is relatively simple in shape and easy to form. Good productivity. Furthermore, since each panel is relatively lightweight, it can be easily transported and installed on the site, and handling is improved. Furthermore, since the assembling is relatively easy, on-site work is also facilitated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a foundation or retaining wall construction material according to the present invention, where (a) is an exploded state and (b).
FIG. 3 is a perspective view showing an assembled state.

FIG. 2 is a sectional view of the construction material, in which (a) is a disassembled state and (b) is a sectional view showing an assembled state.

FIG. 3 is a perspective view showing another embodiment of the foundation or retaining wall construction material according to the present invention, where (a) is an exploded state,
(B) is a perspective view showing an assembled state.

FIG. 4 is a sectional view showing an assembled state of the construction material.

FIG. 5 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) is an exploded state,
(B) is a perspective view showing an assembled state.

FIG. 6 is a sectional view showing an assembled state of the construction material.

FIG. 7 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) is an exploded state,
(B) is a perspective view showing an assembled state.

FIG. 8 is a sectional view of the construction material, in which (a) is a disassembled state and (b) is a sectional view showing an assembled state.

FIG. 9 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) is an exploded state,
(B) is a perspective view showing an assembled state.

FIG. 10 is a sectional view of the construction material, in which (a) is a disassembled state and (b) is a sectional view showing an assembled state.

FIG. 11 is a perspective view showing still another embodiment of the foundation or retaining wall construction material according to the present invention, wherein (a) is a disassembled state and (b) is a perspective view showing an assembled state.

FIG. 12 is a sectional view of an assembled state showing still another embodiment of the foundation or retaining wall construction material according to the present invention.

[Explanation of symbols]

1,2,21,22,31,32,41,42,51,
61 L-shaped panel 52 Flat panel 54 Spacer 71 Modified L-shaped panel H Horizontal part V Vertical part a Through hole d Reinforcement insertion hole e Notch f Ridge

Claims (8)

[Claims] 1. A vertical section having a horizontal portion and a vertical portion, and
A foundation or retaining wall construction material, comprising: an L-shaped panel having a letter shape and having through holes formed at predetermined intervals in the horizontal portion. 2. A groove is formed along the inner side of the tip of the horizontal portion, and when a pair of the L-shaped panels are assembled in a frame shape, the leading edge of the opposite vertical portion fits into the groove. The foundation or retaining wall construction material according to claim 1, wherein: 3. The foundation or retaining wall construction material according to claim 1, wherein a hole or a notch for inserting a reinforcing bar is provided in the vertical portion. 4. The foundation or retaining wall construction material according to claim 1, wherein ridges projecting outward in the vertical direction are formed along both sides of the horizontal portion. 5. A vertical section having a horizontal section and a vertical section, and
2. The L-shaped panel having a L-shaped panel, and a flat panel having one side abutting on an inner side of a front end of a horizontal portion of the L-shaped panel and standing upright in parallel with a vertical portion of the L-shaped panel. 3. ~
4. The foundation or retaining wall construction material according to any one of 4. 6. A vertical section having a horizontal section and a vertical section,
A base having a pair of L-shaped panels, each of which has a shape of a letter and in which through-holes are formed at predetermined intervals in the horizontal part, is assembled in a frame shape, and fresh concrete is poured through the through-holes of the horizontal part. Wall construction method. 7. A vertical section having a horizontal portion and a vertical portion, and
An L-shaped panel having a character shape and through-holes formed in the horizontal part at predetermined intervals is arranged with the horizontal part downward, and the lower side of the flat panel is brought into contact with the inner side of the tip part of the horizontal part,
The flat panel is supported in parallel with the vertical portion of the L-shaped panel, and in that state, ready-mixed concrete is poured into a U-shaped recess formed by the L-shaped panel and the flat panel. Construction method of foundation or retaining wall 8. An L-shaped panel disposed with its horizontal portion downward, and an L-shaped panel or a flat panel assembled on the L-shaped panel, wherein both longitudinal ends are displaced from each other. The method for constructing a foundation or retaining wall according to 6 or 7.