JPH08105249A - Retaining wall structure - Google Patents

Abstract

PURPOSE: To eliminate a base, reduce cost, shorten work period, and provide a retaining wall of any height excellent in appearance with simple structure. CONSTITUTION: A supporting pile 1 is driven so that its upper part is projected above the ground. Also panels 2 are arranged erectedly in multiple stage so that the upper part of the supporting pile 1 projected above the ground is held from both sides. Then concrete 4 is deposited between the opposed panels 2 arranged erectedly in multiple stage so as to form the panels 2 arranged erectedly in multiple stage and the supporting pile 1 integrally with the concrete 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retaining wall structure.

[0002]

2. Description of the Related Art In a conventional retaining wall, as shown in FIG. 30, a foundation 90 is formed in the ground at the site, and a concrete block 91 having vertically formed holes is stacked on the foundation 90. The concrete blocks 91 are joined together by concrete to form a retaining wall.

[0003]

However, in the conventional example as described above, a separate base 90 is required to form the retaining wall, which is a factor of high cost, and the base 90 is formed. Therefore, the period required for the construction of the foundation 90 and the curing period of the concrete used for forming the foundation 90 must be long, and further, the curing period of the concrete used when the concrete blocks 91 are piled up is also required.

Further, since the concrete block 91 exposed on the outer surface has only a cheesy appearance, the concrete block 91 is used as a retaining wall with a high-class feeling.
It was necessary to apply a mortar coating or a resin-based spray coating to the outer surface of the to finish the makeup. The present invention is intended to solve the above-mentioned problems, does not require a foundation, can reduce the cost and shorten the construction period, and has an excellent appearance, and further, has a simple structure and an arbitrary height. Retaining wall can be configured, and when the panels are vertically stacked, the vertical connection can be ensured and concrete does not leak from the connecting parts of the upper and lower panels when concrete is poured, and the vertical connecting parts are conspicuous. The purpose of the present invention is to prevent the caulking material from adhering and to ensure that the caulking material can be adhered when the caulking material is filled in the lateral joints.

[0005]

In order to achieve the above object, the support pile 1 driven into the ground so that the upper part thereof projects above the ground, and the upper part of the support pile 1 projecting above the ground are sandwiched from both sides. A panel 2 vertically arranged in a multi-tiered manner, and a facing panel 2 and a support pile 1 which are placed between the opposing panels 2 vertically arranged in a multi-tiered manner and are vertically arranged in a multi-tiered manner. It is characterized in that it is composed of concrete 4 which is integrated with.

It is also preferable that the fitting portion 14 integrally provided at the lower end portion of the upper panel 2 is fitted into the fitted portion 15 integrally provided at the upper end portion of the lower end panel 2. . Then, the fitting portion 14 and the engaging portion 19 are integrally provided at the lower end portion of the upper panel 2, and the fitted portion 15 and the engaged portion 21 are integrally provided at the upper end portion of the lower panel 2. It is also preferable to fit the fitting portion 14 into the fitted portion 15 and the engaging portion 19 into the engaged portion 21. Also,
The fitting part 14 is fitted into the fitted part 15 and the panel 2
The upper and lower panels 2 by the vertical connecting means C which is separate from
It is also preferable that the vertical coupling means C be positioned on the inner surface side of the panel 2 by coupling the above.

Further, a bending piece 55a is provided in any of the fitting portion 14 to the fitted portion 15, and the fitting portion between the fitting portion 14 and the fitting portion 15 is sandwiched between the bending portions of the bending piece 55a. Is also preferable. Also, the upper and lower panels 2
It is also preferable to form a groove-shaped lateral joint 85 that is open to the outside on the outer surface portion of the fitting portion.

Further, fine unevenness 8 is formed on the upper and lower inner surfaces of the lateral joint 85.
It is also preferable to form 6.

[0009]

According to the present invention having the above-mentioned structure, the panel 2 vertically arranged in a multi-tiered manner is arranged so that the concrete 4 cast between the opposing panels 2 vertically arranged in a multi-tiered manner is opposed.
Also, by integrating with the support pile 1, a strong retaining wall can be formed without forming a foundation as in the conventional case, and in this case, the panel 2 arranged in multiple stages vertically
It is possible to construct a retaining wall of any height by selecting the number of panels 2 that are connected to the upper and lower sides of the, and when forming a retaining wall on a sloping ground, downward This can be dealt with by additionally connecting the panel 2. Then, the panel 2 is exposed to the outside of the retaining wall while using the concrete 4 as a structural main body, so that a retaining wall having an excellent external appearance and requiring no external surface finishing in a post process can be configured.

Further, the fitting portion 14 which is integrally provided on the lower end portion of the upper panel 2 is fitted into the fitted portion 15 which is integrally provided on the upper end portion of the lower panel 2,
When placing concrete, the concrete can be prevented from leaking from the connecting parts of the upper and lower panels 2,
The outer surface of is not polluted. Then, the fitting portion 14 and the engaging portion 19 are integrally provided at the lower end portion of the upper panel 2, and the fitted portion 15 and the engaged portion 21 are integrally provided at the upper end portion of the lower panel 2. By fitting the fitting portion 14 into the fitted portion 15 and the engaging portion 19 into the fitted portion 21, the upper and lower panels 2 are connected to the fitting portion 14 and the fitted portion 15. The connection is achieved by the fitting and the engaging portion 14 and the engaged portion 15 are engaged with each other to ensure a reliable connection.

Further, the fitting portion 14 is fitted into the fitting portion 15, and the upper and lower panels 2 are joined by the vertical joining means C which is separate from the panel 2, and the up and down joining means C are connected to the panel 2. By locating the fitting portion 14 on the inner surface side, the fitting portion 14 can be fitted into the fitting portion 15, and the panel 2 can be reliably joined in the up-down direction by the up-down joining means C, so that a reliable connection can be made.

Further, a bending piece is provided in any of the fitting portion 14 to the fitted portion 15 and the fitting portion between the fitting portion 14 and the fitting portion 15 is sandwiched between the bending portions of the bending piece 55a. The bent piece 55a
Can be prevented by. Also, the upper and lower panels 2
By forming the groove-shaped lateral joints 85 that open outward on the outer surface of the fitting portion, the vertical joints of the upper and lower panels 2 are not conspicuous due to the presence of the lateral joints 85, and it is as if the upper and lower panels are connected. The external appearance of the retaining wall can be improved by the lateral joints 85.

By forming fine irregularities 86 on the upper and lower inner surfaces of the horizontal joint 85, it is possible to improve the adhesion of the caulking material to the upper and lower inner surfaces of the horizontal joint 85 when the caulking material is filled in the horizontal joint 85. it can.

[0014]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 1, the retaining wall is composed of a support pile 1 that is driven into the ground and has an upper portion protruding from the ground, and a retaining wall body 13 that is integrally connected to the upper protruding portion of the support pile 1. . The retaining wall body 13 is erected so that the lower part is buried in the ground, and the supporting wall body 13 is erected with the pillar portion 9 of the fence 8. The retaining wall main body 13 is opposed to a panel 2 which is vertically arranged so as to sandwich the upper portion of the support pile 1 projecting above the ground from both sides, an end plate 3 which is attached so as to close between the end portions of the opposing panel 2, It is composed of concrete 4 filled between the panels 2 and a headstock 5 installed between the upper ends of the panels 2.

The panel 2 is provided with a fitting portion 14 at the lower end and a fitted portion 15 with which the fitting portion 14 is fitted is formed at the upper end. In the embodiment shown in FIG. 12, a concave step portion 16 having an inverted L shape is provided at the lower end portion inwardly over the entire length in the lateral direction. A horizontal piece 17 is provided, and a hanging piece 18 serving as the fitting portion 14 is provided downward from the tip of the horizontal piece 17 over the entire length in the horizontal direction. The hanging piece 18 is provided with an engaging portion 19 formed of a protrusion on the outer surface side. The horizontal piece 20 for mounting is provided inward at the upper end of the panel 2, and a projection is provided at the tip of the horizontal piece 20 for mounting. 15, and the protruding portion also serves as the engaged portion 21 with which the engaging portion 19 engages. On the inner surface side of the panel 2, an L-shaped receiving portion 22 is provided so as to project over the entire length in the lateral direction.
A locking portion 23 is provided on the upper end of the receiving portion 22. Ribs 25 having a C-shaped cross section having holes 24 for tapping holes are formed at the upper and lower ends of the inner surface of the panel 2 over the entire length in the lateral direction.

The panel 2 having the above structure is made of metal such as aluminum, synthetic resin, or ceramics. The end plate 3 attached so as to close the space between the opposite ends of the panel 2 is made of metal such as aluminum, synthetic resin, or ceramics, and has a screw insertion hole 26 at the corner. FIG. 16B shows the end plate 3 used in the uppermost stage.
(A) shows end plates used for other than the uppermost stage. That is, in the case where the facing panels 2 are arranged in a multi-tiered manner in the vertical direction, separate end plates 3 are attached to the end portions of the facing panels 2 in each level.

The outer surfaces of the panel 2 and the end plate 3 are designed to have various design features. For example, a horizontal groove is provided in a plurality of rows in the vertical direction, a block stack or a brick stack pattern, or other. Has any appearance pattern. Here, the outer surface portion of the panel 2 is formed to be thick so that the central portion in the vertical direction bulges slightly outward (for example, the central portion in the vertical direction is made thicker by about 0.5 mm so as to bulge outward by that amount). That is, the outer surface of the panel 2 is dented and cannot be seen, so that the appearance does not become poor.

Opposing panel connecting means A is an opposing panel 2
The embodiment is shown in FIG. 13. In the embodiment of FIG. 13, a leg 30 having a locked portion 29 is hung from a position slightly inward from both ends of the horizontal piece 28 of the connecting fitting 27. 1 and the contact pieces 31 project from both ends of the horizontal piece 28 to form the opposing panel connecting means A.
In the fifth embodiment, a vertical piece 32 is provided so as to project upward or downward along the side edge of the horizontal piece 28 of the connecting fitting 27, and a plurality of holes 33 are provided in the vertical piece 32 in the horizontal direction in a multi-step manner. A plurality of rows are provided, and a hole 33 is also provided in the central portion. In the embodiment of FIGS. 14 and 15, the central hole 33 is a vertically long hole.

As shown in FIG. 20, the headboard 5 has an L-shaped skirt portion 50 vertically extending inward over the entire length of both sides, and the skirt portion 50 has a hole for a tapping hole on the inner surface over the entire length. A section 51 is provided. Also,
An engaging leg 52 having an engaging portion 53 is hung at a position displaced inward from the skirt portion 50 on the lower surface portion of the headstock 5. A U-shaped opening 10a is formed at the center of one end or both ends of the headstock 5 in the longitudinal direction. This opening 10a is combined with the U-shaped opening 10a of the adjacent headstock 5 to form the insertion opening 10 for inserting the support pillar portion 9 of the fence 8, and the insertion opening 10 is slightly smaller than the support pillar portion 9. It is getting bigger.

As the support pile 1, a steel pipe, a steel plate, or a concrete one is used, and if necessary, a projecting piece may be provided on the outer surface. In the case of a steel plate, it is preferable to use a corrugated plate. Then, although the retaining wall is configured by using each member having the above-described configuration, in the construction, the ground 34 is dug to form the elongated shallow groove 34a along the position where the retaining wall is to be formed. , The support piles 1 are driven into the groove bottom at arbitrary intervals. In this case, the upper part of the support pile 1 is projected above the groove bottom. In this way, the panels 2 are installed opposite to each other on both sides of the row of the support piles 1 driven at arbitrary intervals.
In this case, the facing panels 2 are connected by the facing panel connecting means A. In the embodiment of FIG. 10, the leg portion 30 of the connecting fitting 27 for forming the facing panel connecting means A is inserted into the receiving portion 22 provided on the inner surface side of the panel 2 and the locked portion 29 is locked. 23, and the horizontal piece 2
The contact pieces 31 at both end portions of 8 abut on the inner surfaces of the opposing panels 2, and the opposing panels 2 are connected while maintaining a facing attitude with a constant interval.

When connecting the panels 2 to each other by the opposed panel connecting means A, the panels 2 are connected and assembled by the opposed panel connecting means A in advance before setting the panels 2 on both sides of the support pile 1, and then connected. The opposing panels 2 may be set so as to sandwich the support pile 1, or the opposing panels 2 may be connected by the opposing panel connection means A in a state where the panels 2 are set up on both sides of the support pile 1. . This can be appropriately selected depending on the situation at the site.

Here, as the connecting fitting 27, the connecting fitting 27 provided with the vertical piece 32 is used in the portion close to the support pile 1. That is, as shown in FIG. 22, the connecting fitting 27 provided with the vertical piece 32 is applied to the upper part of the support pile 1, and the connecting fitting 27 is connected to the support pile 1 using the binding material 35. FIG. 22 shows an example of a binding band as the binding material 35, which has a stopper projection 36 at one end and a large number of engaging projections and depressions 37 on the outer surface of the band portion. As shown in FIG. 22, this binding band is inserted from an arbitrary hole 33 among a plurality of holes 33 provided in the vertical piece 32, and the stopper projection 3 at one end is inserted.
6 is applied around the hole 33 so as not to come off, the band portion is wound around the support pile 1, and the other end of the band portion is inserted into another arbitrary hole 33, and the locking unevenness provided on the band portion is provided. 37
It is bound by hooking and locking any part of the above to the edge of the hole 33. Here, even if the position of the support pile 1 is shifted in the facing direction of the facing panel 2, it is possible to surely deal with it by selecting the plurality of holes 33. The connecting metal fitting 27 can slide along the longitudinal direction of the receiving portion 22 to surely hit the supporting metal fitting 1 on the supporting pile 1 to bind it with the above-mentioned binding material 35. A part of the portion 22 may be caulked or bonded so that the connecting fitting 27 does not move. As a result, the connection fitting 27 and the support pile 1 can be integrated more firmly. The connecting fitting 2 shown in FIG.
7 shows an example in which the shape of the leg portion 30 and the like is different from that of FIG. 14 and the like, but the one as shown in FIG. 14 may be used.

Panels 2 that are laterally adjacent to each other along the groove 34a
The two panels are connected to each other by the lateral panel connecting means B. As the lateral panel connecting means B, for example, bolts 38 and nuts 39 are used. In the embodiment of FIGS. 18 and 19, a joint plate that constitutes the joint material 7 is arranged between the panels 2 that are adjacent to each other in the lateral direction. As shown in FIG. 17, the joint plate has a joint piece 40 at the center of the plate material and insertion pieces 41 on both sides, and lateral insertion grooves 42 are provided in the insertion pieces 41 on both sides. Then, the insert pieces 41 on both sides are applied to the inner surfaces of the horizontally adjacent panels 2 and the notch groove 42 is inserted into the protruding base portion of the L-shaped receiving portion 22, whereby the center joint piece 40 is horizontally adjacent to the panel. It will be exposed as a joint between the two. Here, the insert piece 41 may be fixed to the panel 2 by caulking or adhering a part of the receiving portion 22. As the connecting fittings 27 located between the end portions in the lateral direction of the facing panel 2, those provided with vertical pieces 32 as shown in FIG. 14 and FIG. 15 are used, and the connecting pieces located on both sides via the joint material 7 are used. Vertical piece 32 of one of the metal fittings 27
The bolt 38 is inserted through the hole 33 provided in the
Is inserted into the hole 33 of the other connecting fitting 27 and is connected by the nut 39. At this time, since both ends of the joint material 7 contact the connecting fittings 27, when the nut 39 is tightened, both connecting fittings 27 are joined via the joint material 7.
Further, also in this portion, a part of the receiving portion 22 may be caulked or bonded so that the connecting fitting 27 does not move. In this case, both ends of the joint material 7 are the connecting fittings 2.
It is not necessary to hit 7 and the joint interval can be adjusted by adjusting the overlapping amount of the insertion piece 41 on the inner surface side of the panel 2, and construction errors, product errors and the like can be absorbed. The lateral panel connecting means B is a bolt 3
The tapping screw is not limited to the nut 8 and the nut 39.

An end plate 3 is attached between the opposite ends of the panel 2. The end plate 3 has a screw insertion hole 2
The tapping screw 43 is inserted from 6 and screwed into the hole 24 for the tapping hole of the panel 2 to attach the end plate 3. When the setting of the first opposing panel 2 is completed as described above, the upper panel 2 is set on the first opposing panel 2.

That is, in order to set the upper facing panel 2 on the lower facing panel 2, the horizontal piece 17 of the upper panel 2 is set to the mounting horizontal piece 2 of the upper end of the lower panel 2.
0, the fitting portion 14 of the upper panel 2 is fitted into the fitted portion 15 of the lower panel 2, and the engaging portion 19
Is engaged with the engaged portion 21. In this case, in the embodiment of FIGS. 8, 9, and 10, the protruding portion of the tip end of the mounting horizontal piece 20 serves as both the fitted portion 15 and the engaged portion 21.

Here, the upper panel 2 is assembled by previously assembling the opposing panels 2 by the opposing panel coupling means A, and then the upper panel 2 is joined to the opposing panel 2.
To set the upper panel 2 by fitting the two to the opposing panel 2 already set on the lower ground, or
Before connecting the upper panel 2 by the counter panel connecting means A, set the upper panel 2 on the lower panel 2,
After that, the panels 2 facing each other in the upper stage may be connected by the opposed panel connecting means A.

When the panels 2 are stacked and connected in the upper and lower stages, the horizontal joint 85 is formed in the portion surrounded by the concave step portion 16 and the mounting horizontal piece 20. Here, as shown in FIGS. 12 (c) and 12 (e), fine concavities and convexities 86 are provided on the upper horizontal piece of the recessed step portion 16 and the horizontal piece 20 for mounting, which form the upper and lower inner surfaces of the horizontal joint 85. Yes, when filling caulking material, these fine irregularities 8
The presence of 6 improves the adhesion of the caulking material. Further, when the caulking material is filled with the caulking material, the upper lateral pieces of the concave step portion 16 and the tips of the mounting lateral pieces 20 constituting the upper and lower inner surfaces of the horizontal joint 85 are chamfered with inclination. Fill caulking material just before the chamfer.

Also in the upper stage, the panels 2 which are adjacent to each other in the horizontal direction are connected by the horizontal panel connecting means B as in the case of the lower stage. Also in the upper stage, similarly to the case in the lower stage, the end plate 3 is attached between the ends of the panels 2 facing each other. When the fence 8 is provided above the retaining wall to be formed, the member to be the pillar portion 9 of the fence 8 is attached using the connecting fitting 27 that constitutes the counter panel connecting means A. In this case, for example, in FIG.
As described above, the hole 33 provided in the vertical piece 32 of the connecting fitting 27 is used, and the screw 91 is inserted from the hole 33 and screwed into the support column 9. Here, as shown in FIG. 23, if a vertically long hole is provided at the center of the vertical piece 32 as the hole 33, the support height of the column 9 can be adjusted.

The support pile 1 protruding above the ground as described above
In the state where a plurality of panels 2 having the appearance of a retaining wall on the outer surface are arranged side by side so that the upper part of the panel is sandwiched and the two panels are vertically arranged in a multi-tiered manner, concrete 4 is filled over the entire length of the lower part between the panels 2. To form the lower concrete portion 4a. In forming the lower concrete portion 4a, the reinforcing bars 92 are laid out before the concrete is poured so that the lower concrete portion 4a becomes the reinforced concrete portion. In this way, a kind of cloth foundation is formed between the lower parts of the opposed panels 1.

As shown in FIG. 3, the lower concrete portion 4a
On the upper part, between the panels 2 facing each other, a portion filled with the concrete 4 and a portion filled with the residual soil 12 are alternately formed in the lateral direction. That is, when the constant width concrete 4 is filled in the lateral direction between the facing panels 2, the residual soil 12 generated when the groove 34a is formed is filled next to the concrete 4 and further the concrete 4 is filled next to the concrete.
The concrete 4 and the residual soil 12 are alternately filled in such a manner that the residual soil 12 is filled next to it. here,
Partition plate (not shown) when filling concrete 4
The concrete 4 is filled in a state where the concrete 4 is inserted between the opposing panels 2, and the partition plate is interposed to prevent the concrete 4 from flowing laterally. When filling the concrete 4, the partition plate is supported by hand or any supporting means so that the partition plate does not fall. Then, with the partition plate left, the remaining soil 12 is filled in the lateral direction next to each other. Even when the residual soil 12 is filled, the next partition plate is inserted between the opposing panels 2 at a constant distance from the partition plate so that the residual soil 12 does not flow laterally. The partition plate can be removed at any stage before hardening of the concrete, but it may be left as it is. The concrete 4 is placed so that the support pile 1, the opposing panel connecting means A, and the column portion 9 are buried. By doing so, the support pile 1, the counter panel connecting means A, the support column 9, the concrete 4 and the panel 2 are integrated. Further, it is preferable that the lateral panel connecting means B is also embedded in the concrete 4. In this case, the panels 2 adjacent to each other in the lateral direction are more firmly integrated.

By filling not only the concrete 4 but also the residual soil 12 between the opposing panels 2 as described above, it is possible to simultaneously treat the residual soil generated when the groove 34a is formed. A panel 5 is hung between the panels 2 facing each other at the uppermost stage to attach the panel 2 to the panel 2. That is, as shown in FIGS. 7, 8 and 9, the engagement leg 52 of the headstock 5 is fitted into the fitted portion 15 of the upper end portion of the uppermost facing panel 2 and is provided on the engagement leg 52. The mating portion 53 to the engaged portion 21
(In the illustrated embodiment, the fitted portion 15 also serves as the engaged portion 21). Kasaki 5 located at the end
By inserting the tapping screws 43 from the screw insertion holes 26 provided on both upper sides of the upper end plate 3 located at the end and screwing them into the tapping hole holes 51 provided in the headstock 5. It is attached.

In this case, as shown in FIG. 11, the U-shaped opening 10a at the end of the headstock 5 is fitted into one half of the column 9 to make the end of the adjacent headstock 5 in the U-shape. Opening 10
a is fitted in one half of the column part 9, and both openings 10a form an insertion opening 10 which is slightly larger than the column part 9, and the column part 9 penetrates through this insertion hole 10 and is located above the head tree 5. It stands out. Here, by making the insertion opening 10 a little larger than the supporting column 9,
The error in the standing position of can be absorbed. A cover plate 11 is covered around the insertion opening 10 and is fixed to the headstock 5 by adhesion, screws or the like, and the cover plate 11 shields the gap between the support column 9 and the insertion opening 10. is there. The cover plate 11 has an L shape in plan view as shown in FIG.

The main body 8a of the fence 8 is attached to the column 9. In addition, the retaining wall is not limited to the one in which the fence 8 is erected as described above, and a tall retaining wall in which the panels 1 are stacked in multiple stages is configured to configure the left side of FIGS. 2 (a) and 2 (b). Thus, the retaining wall itself may form the fence. In this case, the U-shaped opening 10a is not provided in the headboard 5.

At the corners of the retaining wall, the panels 2 are welded to each other, or the diagonally cut ends of the headstock 5 are welded to each other to fix them. Here, the panel 2 located at the corner may be bent according to the angle of the corner of the retaining wall to be formed, and the headstock 5 may also be cut in a V shape and bent at the V-shaped cut portion to form a cut edge. The head tree may be L-shaped in plan view by abutting each other.

8 and 9 are views in which the support pile 1 and the concrete 4 are omitted in the drawing, and show a state in which the opposing panels 2 are connected by the opposing panel connecting means A and the headstock 5 is attached. 9 shows an example in which the panel 2 has two stages and three stages, but it goes without saying that the panel 2 may have four stages or more.
By the way, when the opposing panels 2 are vertically arranged in a multi-tiered manner, when the retaining wall is formed on the sloping ground, the groove 34
When a is formed horizontally, the groove 34a is formed horizontally in the case of FIG. 28 (a), but the lower end of the panel 2 connected in multiple steps has a stepped shape as shown in FIG. 28 (b). In this case, the groove 34a may be formed stepwise, and the panel 2 may be erected on the bottom of the stepped groove 34a. In this case, the number of panels 2 to be used can be reduced as compared with the case of FIG. In FIG. 28, M indicates an inclined ground surface.

Also, the ground level outside the residential area such as a road
GL₁And residential ground level GL ₂When there is a step with
In this case as well, as shown in FIG. 29, the panels 2 are erected vertically in multiple stages.
It can be dealt with. FIG. 24 shows another example of the present invention.
Examples of are shown. In this embodiment, the fitting part
A hole 44 is provided in the hanging piece 18 that constitutes the 14
From the hole 44 in the state in which the
Pins 45 that constitute the vertical coupling means C on the lower surface side of 20
Is inserted. By doing this, the upper and lower panel
The upper and lower panels 2 are securely connected to each other in the vertical direction.
It does not float above the lower panel 2.
You. Also, in this embodiment, the opposing panel connecting means
A fixes the connecting fitting 27 to the panel 2 with the tapping screw 43.
It is composed by wearing. In FIG. 24, of panel 2
On the inner surface, a projecting piece 47 for connection is provided obliquely, forming a strip plate shape.
Projecting the connecting pieces 48 diagonally toward both ends of the connecting metal fitting 27 of
And connect the connecting piece 48 to the connecting protruding piece 47, and
Insert the capping screw 43 to connect the connecting piece 48 to the connecting projecting piece 4.
It adheres to 7. Thus tapping screw 4
Since 3 can be inserted diagonally and screwing operation can be done, tapping
The screwing operation of the screw 43 can be performed at a position apart from the panel 2.
Operation becomes easy. Here, the connecting piece 4 of the connecting projection 47
A narrow groove 49 is provided over the entire length in the longitudinal direction on the surface on which 8 hits.
The tapping screw is provided by providing the narrow groove 49.
Tip of tapping screw 43 when inserting and screwing 43
The tapping screw 43 can be easily screwed so that it does not slip.
Can meet.

FIG. 25 shows still another embodiment of the present invention. In this embodiment, the lower horizontal piece 54 is provided at the lower end of the fitting portion 14, and the fitted portion 15 is provided. A U-shaped groove piece 55 is provided, and the fitting portion 1 is provided as shown in FIG.
4 when the lower horizontal piece 54 is fitted with the groove piece 55 when fitted to the fitted portion 15.
25B, the bent piece 55a at the tip of the U-shaped groove piece 55 is bent with pliers or the like to clamp the tip of the lower horizontal piece 54 in this state. By doing so, the vertical connection of the upper and lower panels 2 is ensured, and the upper panel 2 does not float above the lower panel 2.

FIG. 26 shows still another embodiment of the present invention. In this embodiment, the fixing horizontal piece 56 is provided so as to project from the projecting base portion of the hanging piece 18 that constitutes the fitting portion 14, and U
The fixing horizontal piece 57 is projected from the upper end of the vertical piece on the outer side of the character-shaped fitted portion 15, and the fixing horizontal piece 56 is fixed with the fitting portion 14 fitted to the fitted portion 15. The fixing horizontal piece 56 is fixed to the fixing horizontal piece 57 by the tapping screw 43 which is mounted on the horizontal side piece 57 and constitutes the vertical coupling means C. By doing so, the vertical connection of the upper and lower panels 2 is ensured, and the upper panel 2 does not float above the lower panel 2. In the embodiment shown in FIG. 26, the counter panel connecting means A is further constituted by fixing the connecting fitting 27 to the panel 2 with the tapping screw 43. That is, the fitting projections 60 are provided at both ends of the connecting fitting 27, and the projections 58 projecting on the inner surface side of the panel 2 are provided with the fitting grooves 59 that open to the side surfaces, and the fitting projections 60 are fitted into the fitting grooves. It is fitted in 59 and is fixed by screwing the tapping screw 43 into the fitting projection piece 60 from the upper surface or the lower surface of the projection 58.

FIG. 27 shows still another embodiment of the present invention. In this embodiment, a lower horizontal piece 54 is provided at the lower end of the hanging piece 18 forming the fitting portion 14, and a mounting piece 61 on which the lower horizontal piece 54 is mounted is provided on the fitted portion 15. The lower horizontal piece 54 is superposed on the mounting piece 61 in a state where the fitting portion 14 is fitted to the fitted portion 15, and the vertical coupling means C is placed in the pin hole 62 provided in the lower horizontal piece 54 and the mounting piece 61. Pin 6
The lower horizontal piece 54 and the mounting piece 61 are joined by fitting 3 together. As the pin 63, one having a solid line shape in FIG. 27, one having an imaginary line shape, and another shape can be used.

[0040]

According to the first aspect of the present invention, the support pile driven into the ground so that the upper portion projects above the ground and the upper portion of the support pile projecting above the ground are sandwiched from both sides. Panels that are vertically arranged in a multi-tiered manner, and opposing panels that are placed between opposing panels that are vertically disposed in a multi-tiered manner and that are vertically erected in a multi-tiered manner, are integrated with support piles. Since it is composed of concrete, it is possible to configure a retaining wall of any height where the panels are exposed on the outer surface by selecting the number of panels that are connected to the top and bottom of the panels that are arranged vertically in multiple stages, Further, when forming a retaining wall on a sloped ground, it is possible to cope with this by connecting an extra panel below in the lower side of the sloped ground. In addition, the panel is exposed to the outside of the retaining wall while using concrete as a structural main body, so that the retaining wall has an excellent appearance and does not require a post-process for finishing the outer surface.

According to the second aspect of the invention, the fitting portion integrally provided on the lower end portion of the upper panel is fitted into the fitted portion integrally provided on the upper end portion of the lower end panel. Therefore, by fitting the fitting part and the fitted part, it is possible to prevent liquid from leaking from the connecting parts of the upper and lower panels when pouring concrete, and the outer surface of the panel is not contaminated. It is possible to construct a retaining wall with excellent quality.

Further, in the invention according to claim 3, the fitting portion and the engaging portion are integrally provided at the lower end portion of the upper panel,
Since the fitted portion and the engaged portion are integrally provided on the upper end portion of the lower panel, the fitting portion is fitted into the fitted portion and the engaging portion is fitted into the engaged portion. The upper and lower panels are connected by fitting between the fitting part and the fitted part, and are engaged by the engaging part and the engaged part for reliable connection. Is securely connected to form an accurate retaining wall.

Further, in the invention of claim 4, since the fitting portion is fitted into the fitted portion and the upper and lower panels are joined by the vertical joining means which is separate from the panel,
The fitting part fits into the fitted part and the vertical connecting means allows the panels to be securely connected in the up and down direction to ensure a reliable connection. The retaining wall can be configured, and since the vertical coupling means separate from the panel is located on the inner surface side of the panel, the vertical coupling means separate from the retaining wall is not exposed and the retaining wall is not exposed. It does not spoil the appearance of.

Further, in the invention according to claim 5, a bending piece is provided in either the fitting portion or the fitted portion, and the fitting portion between the fitting portion and the fitted portion is formed by the bending piece. Since it is sandwiched by the bent parts, the fitting parts can be prevented from coming off by the bent pieces, the upper and lower panels can be reliably connected when concrete is poured, and an accurate retaining wall can be constructed. The upper and lower panels can be reliably joined with a simple configuration in which the bent pieces are bent in a state in which is fitted and positioned in the fitted portion.

According to the sixth aspect of the invention, since groove-like horizontal joints that open outward are formed on the outer surface portions of the fitting portions of the upper and lower panels, the presence of the horizontal joints causes the upper and lower rows to be separated. The connection part in the vertical direction of the panel is not conspicuous, and even though the panels are stacked in multiple stages, the appearance can be made as if the upper and lower panels were one-piece. The appearance can be improved.

In the invention according to claim 7, since fine irregularities are formed on the upper and lower inner surfaces of the horizontal joint, when the caulking material is filled in the horizontal joint, the caulking material is attached to the upper and lower inner surfaces of the horizontal joint. The caulking material can be reliably and firmly filled.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view of the present invention, which is partially cut away.

FIG. 2 shows an overall view of the above, (a) is a plan view,
(B) is a front view and (c) is a side view.

FIG. 3 is a front view for explaining the lower concrete part and the filling position of concrete and residual soil formed on the lower concrete part.

FIG. 4 is a partially cutaway plan view of the above.

FIG. 5 is a partially cutaway front view showing the positional relationship between the support pile, the opposing panel connecting means, and the column portion of the above.

FIG. 6 is a partially cutaway front view of the above.

FIG. 7 is a cross-sectional view showing a state in which opposed panels are connected to each other.

FIG. 8 is a side view of an example in which two panels are connected in a manner in which opposing panels of the same are connected and a cap is attached.

FIG. 9 is a side view of an example in which panels facing each other are connected to each other and a headstock is attached to the panels in three stages.

FIG. 10 is an enlarged cross-sectional view of a portion in which opposed panels of the same are connected.

FIG. 11A is a plan view showing a state in which a strut portion of a headstock is fitted, FIG. 11B is a sectional view, and FIG. 11C is an exploded perspective view.

FIG. 12 shows a panel used for the same as above, (a) is a rear view, (b) is a side view, and (c), (d) and (e) are sectional views of respective parts.

FIG. 13 shows a connecting fitting used in the same as above, (a) is a front view, (b) is a plan view, and (c) is an enlarged sectional view.

FIG. 14 shows another connecting fitting used in the same as above, (a) is a front view and (b) is a plan view.

FIG. 15 shows still another connecting fitting used in the above,
(A) is a front view and (b) is a plan view.

16 (a) and 16 (b) are front views showing end plates used in the same as above.

FIG. 17 shows a joint material used in the same as above, (a) is a front view and (b) is a side view.

FIG. 18 shows the attachment of the joint material to the panel of the above,
(A) is a front view, (b) is a side view.

FIG. 19 (a) is a partially cutaway perspective view of a portion connected by the horizontal panel connecting means of the above, and FIG. 19 (b) is a plan view.

FIG. 20 shows a headstock used in the above, (a) is a plan view, (b) is a side view, and (c) is an enlarged cross-sectional view of a main part.

FIG. 21 is a plan view of a cover plate used in the above.

FIG. 22 is a perspective view showing the connection between the support pile and the connecting fitting of the above.

FIG. 23 is a perspective view showing the coupling between the above-mentioned support column and the coupling fitting.

FIG. 24 shows another example in which the panels are connected in the upper and lower stages,
(A) is a perspective view and (b) is a sectional view.

FIG. 25 is a cross-sectional view showing still another example in which panels are connected in the upper and lower stages, and (a) and (b) show the connection order.

FIG. 26 is an exploded side view showing still another example of connecting the panels in the upper and lower stages.

FIG. 27 is an exploded perspective view showing still another example of connecting the panels in the upper and lower stages.

28 (a) and 28 (b) are front views showing respective examples in the case of forming a retaining wall on a sloping ground.

FIG. 29 is a cross-sectional view in which a retaining wall is formed when there is a step between the ground level outside the residential land and the ground level outside the residential land.

FIG. 30 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support pile 2 Panel 4 Concrete 5 Kasaki 14 Fitting part 15 Fitting part 19 Engagement part 20 Engagement part C Vertical direction connecting means 55a Bending piece 85 Side joint 86 Fine unevenness

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomio Kobayashi 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd.

Claims (7)

[Claims] 1. A support pile driven into the ground so that an upper part thereof projects above the ground, and panels vertically arranged in multiple stages so as to sandwich the upper part of the support pile projecting above the ground from both sides.
It is characterized in that it is composed of concrete in which supporting panels and supporting piles which are placed between the opposing panels which are vertically arranged in a multi-tiered manner and which are vertically disposed in a multi-tiered manner are integrated with each other. Retaining wall structure. 2. The fitting portion integrally provided on the lower end portion of the upper panel is fitted into the fitted portion integrally provided on the upper end portion of the lower panel. Retaining wall structure. 3. The fitting part and the engaging part are integrally provided at the lower end of the upper panel, and the fitted part and the engaged part are integrally provided at the upper end of the lower panel, the fitting part 3. The structure of the retaining wall according to claim 2, wherein the fitting portion is fitted into the fitted portion and the engaging portion is fitted into the fitted portion. 4. The fitting section is fitted into the fitted section, and the upper and lower panels are joined by a vertical joining means separate from the panel, and the vertical joining means is positioned on the inner surface side of the panel. The structure of the retaining wall according to claim 2 or 3, wherein 5. A bending piece is provided on either the fitting part or the fitted part, and the fitting part between the fitting part and the fitted part is sandwiched by the bending parts of the bending piece. The structure of the retaining wall according to claim 2 or 3. 6. The retaining wall structure according to claim 1, wherein groove-shaped lateral joints that open outward are formed on the outer surface portions of the fitting portions of the upper and lower panels. 7. The retaining wall structure according to claim 6, wherein fine irregularities are formed on the upper and lower inner surfaces of the horizontal joint.