JPH08105247A - Retaining wall structure - Google Patents

Abstract

PURPOSE: To eliminate a base, reduce cost, and shorten work period. CONSTITUTION: A retaining wall is provided with a supporting pile l driven so that its upper part is projected above the ground. It has panels 2 arranged erectedly so that the upper part of the supporting pile 1 projected above the ground is held from both sides. Also it has a connecting metal fitting 27 installed across the inner surfaces of the opposed panels 2. It has concrete 4 deposited between the opposed panels 2 so as to form at least the panels 2 and the supporting pile 1 integrally with the concrete 4. Then a locking piece of roughly L-shape in cross-section is installed projectedly upward from the inside surface of the panels 2 which are formed by providing a top rail 5 installed so that it covers a space between the upper ends of the opposed panels 2. In addition, a piece to be locked is installed projectedly upward from the end part of the connecting metal fitting 27 arranged between the opposed panels 2. Further the a part to be locked installed on a piece to be locked is engaged with the lock part installed on the lock piece.

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 a is formed in the ground at a site, and a concrete block b having vertical holes is formed on the foundation a. Retaining walls are constructed by stacking and connecting concrete blocks to each other with concrete.

[0003]

However, in the conventional example as described above, a separate base a is required to form the retaining wall, which is a factor of high cost.
In order to form the base a, the period required for the construction of the base a and the curing period of the concrete used for the formation of the base a need to be long, and further the curing period of the concrete used when the concrete blocks b are piled up is also necessary. It was In addition, if concrete blocks b are stacked,
Since the semicircular hole is exposed at the end, it is unsightly,
Even if this is filled with concrete, there is a problem that the appearance is poor due to the conspicuous difference in color from the concrete embedded in the concrete block b.

Further, since the concrete block b exposed on the outer surface has only a cheesy appearance, the outer surface of the concrete block b is further mortar-coated or a resin system is used to form a retaining wall with a high-class feeling. It was necessary to apply makeup by spraying on. The present invention is intended to solve the above problems, a foundation is not required, cost can be reduced and the construction period can be shortened, and
It is intended to provide a retaining wall structure having a good appearance on the outer surface and the end portion and having a high strength.

[0005]

In order to achieve the above object, in the invention of claim 1, the support pile 1 driven into the ground so that the upper part thereof projects above the ground, and the support pile 1 projecting above the ground. Panel 2 standing upright so that the upper part is sandwiched from both sides
And a connecting metal fitting 2 that is erected between the inner surfaces of the panel 2 facing each other.
7, concrete 4 that is cast between the opposing panels 2 and is integrated with at least the panel 2 and the support pile 1, and a head tree 5 that is attached so as to cover between the upper ends of the opposing panels 2. In the structure of the retaining wall, each panel 2
Locking piece 100 having a substantially L-shaped cross section as viewed upward from the inner side surface of the
And a connecting metal fitting 2 disposed between the opposing panels 2
7, a locked piece 101 is provided so as to project downward from the end of the locking piece 101, and the locked portion 102 provided on the locked piece 101 is locked to the locking piece 10.
It is characterized in that it engages with the locking portion 103 provided at 0.

The invention of claim 2 is characterized in that, in claim 1, both end edges of the connecting fitting 27 are brought into contact with the inner surface of each panel 2. The invention of claim 3 is characterized in that, in claim 1, the contact piece 31 is provided so as to project upward from both end edges of the connecting fitting 27, and the contact piece 31 is brought into contact with the inner side surface of each panel 2. It is a thing.

In the invention of claim 4, the support pile 1 driven into the ground so that the upper part thereof projects above the ground, and the panel 2 vertically arranged so as to sandwich the upper part of the support pile 1 projecting above the ground from both sides. A connecting metal fitting 27 that is installed between the inner surfaces of the opposing panels 2, concrete 4 that is placed between the opposing panels 2 and is integrated with at least the panel 2 and the support pile 1, and the upper end of the opposing panel 2. In the structure of the retaining wall composed of the headstock 5 attached so as to cover the space, the connecting piece 110 is provided so as to project obliquely upward from the inner side surface of each panel 2, and obliquely downward at both ends of the connecting fitting 27. The connected piece 111 protruding toward the connecting piece 110 is provided, and the connected piece 111 that is in contact with the lower surface of the connecting piece 110 is connected and fixed to the connecting piece 110 by a fixing tool 112.

In the invention of claim 5, the support pile 1 driven into the ground so that the upper portion thereof projects above the ground, and the panel 2 vertically arranged so as to sandwich the upper portion of the support pile 1 protruding above the ground from both sides. A connecting metal fitting 27 that is installed between the inner surfaces of the opposing panels 2, concrete 4 that is placed between the opposing panels 2 and is integrated with at least the panel 2 and the support pile 1, and the upper end of the opposing panel 2. In the structure of the retaining wall composed of the headstock 5 attached so as to cover the space, a pair of connecting pieces 120 are provided so as to be vertically adjacent to each other from the inner side surface of each panel 2, and between the connecting pieces 120. A connecting recess 121 that opens inward is formed, both ends of the connecting fitting 27 are engaged with the connecting recess 121, and the connecting piece 120 forming the connecting recess 121 and the end of the connecting fitting 27 are fixed to each other. 112 fixed to each other And it is characterized in and.

In the invention of claim 6, the support pile 1 driven into the ground so that the upper portion thereof projects above the ground, and the panel 2 vertically arranged so as to sandwich the upper portion of the support pile 1 protruding above the ground from both sides. A connecting metal fitting 27 that is installed between the inner surfaces of the opposing panels 2, concrete 4 that is placed between the opposing panels 2 and is integrated with at least the panel 2 and the support pile 1, and the upper end of the opposing panel 2. In the structure of the retaining wall composed of the headstock 5 attached so as to cover the space, the panel 2 and the connecting fitting 27 are integrally formed by integral molding.

[0010]

According to the first aspect of the present invention, the locked portion 1 of the locked piece 101 projecting from both ends of the connecting metal fitting 27 so as to lower the connecting metal fitting 27 between the opposing panels 2.
02 is a locking piece 100 projecting from the inner surface of each panel 2.
By engaging with the locking portion 103 of the, the fitting 2 from above and the panel 2 with one touch.
And can be connected, and the assembly can be easily performed by hand without using nails or tools.

According to the second aspect of the present invention, the distance between the panels 2 arranged so as to face each other by abutting the end portion of the connecting metal fitting 27 on the inner side surface of each panel 2 is accurately maintained by the connecting metal fitting 27. can do. According to the invention of claim 3, the contact piece 3 raised from the end of the connecting fitting 27.
By abutting 1 on the inner surface of each panel 2, it is possible to prevent each panel 2 from inclining and to install each panel 2 accurately.

According to the fourth and fifth aspects of the present invention, the fastener 11 is used even though the fastener 112 is used.
The connecting fitting 27 and each panel 2 can be connected to each other without exposing 2 to the outer surface of the panel 2. According to the invention of claim 6, the panel 2 and the connecting fitting 27
Since there is no need to perform connection work with, it is possible to greatly reduce the number of work steps during assembly.

[0013]

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 main body 13 is erected so that its lower portion is buried in the ground, and the supporting wall main 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 of FIG. 12, an L-shaped concave step portion 16 is provided at the lower end portion along the entire lateral length, and the concave step portion 16 extends inward from the lower end of the concave step portion 16 over the entire lateral length. 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 each panel 2, a receiving portion 22 having an L-shaped cross section or an inverted L-shaped section is provided so as to project over the entire length in the lateral direction. Locking piece 1 that constitutes the receiving portion 22
An engaging portion 23 as an engaging portion 103 is provided at the upper end of 00. A rib 25 having a C-shaped cross section having holes 24 for tapping holes at both upper and lower ends of the inner surface of the panel 2.
Are formed over the entire length in the lateral direction.

The panel 2 having the above construction 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 screw insertion holes 26 at the corners. FIG. 18B shows the end plate 3 used in the uppermost stage.
(A) shows end plates used for other than the uppermost stage.

The outer surfaces of the panel 2 and the end plate 3 are designed to have various design features, and in addition to the embodiment shown in the figure, those having a block-laying or brick-laying pattern, or any other desired one. It has an external appearance. Where panel 2
The outer surface of the is formed thick enough to bulge slightly outward (for example, the central portion in the vertical direction is 0.5 mm.
The outer surface of the panel 2 is not dented and cannot be seen because the outer surface of the panel 2 is indented by making it thicker and bulging outward by that amount).

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. Here, FIG.
As shown in (b), the pad 31 may not be provided. In the embodiment of FIGS. 14 and 15, the central hole 33 is a vertically long hole. In addition, in FIG.
In the embodiment shown in FIG. 17, a vertical piece 32 is provided to project upward or downward along the side edge of the horizontal piece 28 of the connecting fitting 27.
2 is provided with a plurality of horizontally elongated holes 33 which are continuous in the lateral direction in a plurality of rows vertically. Here, the above-mentioned leg 30 is the locked piece 10
1 and the locked portion 29 constitutes the locked portion 102 that is engaged with the locking portion 103 provided on the locking piece 100 of the panel 2.

The headboard 5 is provided with an L-shaped skirt portion 50 vertically extending inward over the entire length of both ends, and the skirt portion 50 is provided with a hole portion 51 for a tapping hole on the inner surface portion over the entire length. . In addition, an engaging leg 52 having an engaging portion 53 hangs down at a position displaced inward from the skirt portion 50 on the lower surface of the headstock 5. A U-shaped opening 10a is formed at the center of both ends in the longitudinal direction of the headstock 5.
The opening 10a is combined with the U-shaped opening 10a of the adjacent headstock 5 to form the insertion opening 10 for inserting the pillar portion 9 of the fence 8, and the insertion opening 10a.
Is slightly larger than the column 9.

As the support pile 1, one made of steel pipe, steel plate or concrete 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, an elongated shallow groove 34a is formed along the position where the ground 34 is dug to form the retaining wall. Then, the support piles 1 are driven into the groove bottom at arbitrary intervals. In this case, the upper portion 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 shown in FIG. 10A, the leg portion 30 of the connecting fitting 27 for forming the counter panel connecting means A is provided on the inner surface side of the panel 2 to receive the receiving portion 22.
And the locked portion 29 is locked to the locking portion 23,
Further, the contact pieces 31 at both ends of the horizontal piece 28 are brought into contact with the inner surfaces of the opposing panels 2, and the opposing panels 2 are connected to each other while maintaining a constant interval and facing each other. Further, in the embodiment of FIG. 10B, 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 provided. To the locking portion 23, and both end edges of the horizontal piece 28 are brought into contact with the inner side surfaces of the opposing panels 2, so that the opposing panels 2 are connected to each other while maintaining a constant interval and facing each other. It

In connecting the panels 2 to each other by the facing panel connecting means A, the panels 2 are connected and assembled in advance by the facing panel connecting means A 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 of the site, and in any case, the coupling piece 27 is lowered between the opposing panels 2 so that the engagement piece 101 of the engaged piece 101 projecting from both ends of the coupling piece 27 is lowered. A locking piece 1 having a locking portion 102 projecting from the inner surface of each panel 2.
By engaging with the locking portion 103 of 00, the connecting fitting 27 and the panel 2 can be connected by one-touch by a fitting operation from above, and the assembly can be easily performed by hand without using nails or tools. Is able to.

Here, as the connecting fitting 27, the connecting fitting 27 provided with the vertical piece 32 shown in FIG. 14 is used in the portion near the support pile 1. That is, as shown in FIG. 24, the vertical piece 32
The connecting metal fitting 27 provided with is applied to the upper part of the support pile 1, and the connecting metal fitting 27 is connected to the support pile 1 using the binding material 35. Figure 2
4 shows an example of a binding band as the binding material 35,
A stopper projection 36 is provided at one end, and a large number of engaging projections and depressions 37 are provided on the outer surface of the band portion. As shown in FIG. 24, this binding band is inserted from an arbitrary hole 33 among a plurality of holes 33 provided in the vertical piece 32, and a stopper projection 36 at one end is applied to the periphery of the hole 33 so as not to come off. In addition, the band part is wound around the support pile 1, the other end of the band part is inserted into another arbitrary hole 33, and an arbitrary part of the locking unevenness 37 provided on the band part is hooked on the edge of the hole 33. It is bound by being locked. 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. When the connecting fitting 27 shown in FIG. 17 is used, the vertical piece 32 is fixedly connected to the support pile 1 by inserting a fastener such as a tapping screw into the outer surface of the support pile 1 through the hole 33. To do. here,
Since the hole 33 has a horizontally long hole shape, even if the position of the support pile 1 is shifted in the facing direction of the facing panel 2, it can be accommodated within the range of the hole 33.

Panels 2 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 shown in FIGS. 20 and 21, a joint plate which constitutes the joint material 7 is arranged between the panels 2 which are adjacent to each other in the lateral direction. As shown in FIG. 19, the joint plate has joint pieces 40 at the center of the plate material and insertion pieces 41 on both sides, and lateral insertion grooves 42 are formed 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 receiving portion 22 having an inverted L shape, whereby the center joint piece 40 is horizontally adjacent. It will be exposed as joints between the panels 2. 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 fitting 27 located between the end portions of the panel 2 facing each other in the horizontal direction, one provided with a vertical piece 32 is used.
A bolt 38 is inserted from a hole 33 provided in a vertical piece 32 of one of the connecting fittings 27 of the connecting fittings 27 located on both sides through the joint material 7, and the bolt 38 is inserted into the hole 33 of the other connecting fitting 27. Then, the nut 39 is used for connection.
At this time, since both ends of the joint material 7 hit 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, it is not necessary for both ends of the joint material 7 to hit the connecting fittings 27, 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 to absorb construction errors and product errors. Is what you can do. The lateral panel connecting means B may be a tapping screw.

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 facing panel 2 is completed as described above, when the retaining wall to be formed is tall, the first facing panel 2 is further
Set the second and third tiers and panel 2 on top.

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 opposed panels 2 by the opposing panel connecting means A, and then the upper connected panel 2 is connected.
Is set in the opposing panel 2 already set on the lower ground 34 to set the upper panel 2 or before the upper panel 2 is connected by the opposing panel connecting means A. It may be set on the lower panel 2 and then the upper facing panels 2 may be connected to the facing panel connecting means A.

Also in the upper stage, the panels 2 which are laterally adjacent to each other 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, FIG.
As described above, the hole 33 provided in the vertical piece 32 of the connecting fitting 27 is utilized, and the screw 45 is inserted from the hole 33 and screwed into the support column 9. Here, as shown in FIG. 26, if a vertically long hole is provided in the central portion of the vertical piece 32 as the hole 33, the support height of the column 9 can be adjusted. In addition, what is shown in FIG. 25 is one in which the member to be the pillar portion 9 is fixed using the binding material 35 in the same manner as in the case of fixing the support pile 1 shown in FIG. In this case, the binding material 35
The column 9 may be fixed by winding it around the outer periphery of the column 9, but as shown in the figure, the column 9 is provided with a through hole 9a, and the through hole 9a is provided with a binding material. Fixing the support 9 by inserting 35 through it makes the support 9 more reliable.

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 4, 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.

On the lower concrete portion 4a, a portion filled with the concrete 4 and a portion filled with the residual soil 12 are alternately formed in the lateral direction between the opposing panels 2. That is, when the constant width concrete 4 is filled in the lateral direction between the facing panels 2, the residual soil 12 generated at the time of forming the groove 34a is filled next to the concrete 4, and the concrete 4 is further filled next to it. Concrete 4 and the residual soil 12 are alternately filled, such as filling the residual soil 12 next to each other. Where concrete 4
When filling the concrete, the concrete 4 is filled with a partition plate (not shown) inserted between the opposing panels 2, and the concrete 4 is prevented from flowing laterally by interposing the partition plate. . 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 opposing panel connecting means A,
The pillar 9 and 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, the residual soil generated when the groove 34a is formed can be treated at the same time. 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 FIG. 7, FIG. 8 and FIG. 9, the engagement legs 52 of the headstock 5 are fitted into the fitted portions 15 at the upper ends of the uppermost facing panels 2 and the engagement legs 52 are provided. The part 53 to the engaged part 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, the U-shaped opening 10a at the end of the headstock 5 is fitted into one half of the supporting column 9, and the U-shaped opening 10a at the end of the adjacent headboard 5 is connected to the column 9. It is fitted in one half of one side, and both openings 10a form an insertion opening 10 that is slightly larger than the support section 9, and the support section 9 penetrates through this insertion opening 10 and projects above the headstock 5. . Here, by making the insertion opening 10 a little larger than the column portion 9, it is possible to absorb the error in the standing position of the column portion 9. 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 a 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 diagonal ends of the coop 5 are welded and fixed to each other. 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.

In the above embodiment, the support pile 1 driven into the ground so that the upper part thereof projects above the ground, and the panel 2 vertically arranged so as to sandwich the upper part of the support pile 1 projecting above the ground from both sides. An end plate 3 which is mounted between the ends of the opposing panels 2 and shields between the ends of the opposing panels 2.
At least the panel 2 is placed between the panels 2 facing each other.
Also, in constructing the retaining wall with the concrete 4 integrated with the support pile 1 and the head tree 5 mounted so as to cover between the upper ends of the panels 2 facing each other, the panels 2 are set up and down in multiple stages to retain the high height. Although the example in which the wall is formed is shown, the panel 2 may have one step. 7, 8 and 9 are drawings 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. Panel 2 shows a one-tiered example,
8 and 9 each show an example in which the panel 2 has multiple stages.

FIG. 27 shows another embodiment of the present invention. In this embodiment, a hole 44 is provided in the hanging piece 18 constituting the fitting portion 14, and the fitting piece 14 is fitted into the fitted portion 15 so that the lower surface side of the horizontal mounting piece 20 is inserted through the hole 44. The pin 45 is inserted in. 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. Further, in this embodiment, the counter panel connecting means A attaches the connecting fitting 27 to the panel 2 by tapping screws 43.
It is configured by fixing with a fixing tool 112 such as.
In FIG. 27, a connecting piece 110 is projected obliquely upward from the inner side surface of the panel 2, and a connected piece 111 is projected obliquely downward at both ends of the strip-shaped connecting fitting 27 to be connected. The piece 111 is applied to the connecting piece 110, and the tapping screw 43 is inserted obliquely from below to fix the connected piece 111 to the connecting piece 110. In this way, the tapping screw 43 is obliquely inserted and screwing operation can be performed, so that the tapping screw 43 can be screwed at a position apart from the panel 2 and the operation becomes easy. Here, the connected piece 111 of the connecting piece 110
A narrow groove 49 is provided over the entire length in the longitudinal direction on the surface that is hit by the tapping screw 4 by providing the narrow groove 49.
The tip of the tapping screw 43 can be prevented from slipping when 3 is inserted and screwed, and the tapping screw 43 can be easily screwed.

FIG. 28 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. It is mounted on the horizontal side piece 57 for fixing, and the horizontal side piece for fixing 56 is fixed to the horizontal side piece for fixing 57 by the tapping screw 43. 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. Further, the counter panel connecting means A is configured by fixing the connecting fitting 27 to the connecting piece 120 provided on the inner side surface of the panel 2 with a fixing tool 112 such as a tapping screw 43. That is, the fitting protrusions 60 are provided at both ends of the connecting fitting 27, and the pair of vertically adjacent connecting pieces 1 protruding from the inner surface of the panel 2 are adjacent to each other.
A connecting recess 121 provided between the two is provided, the fitting projection piece 60 is fitted into the connection recess 121, and the tapping screw 43 is screwed into the fitting projection piece 60 from the lower surface of the lower connection piece 120. It is fixed by that.

[0036]

According to the invention of claim 1, a support pile driven into the ground so that the upper part thereof projects above the ground, and a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides. , A connecting metal member installed between the inner surfaces of the facing panels, a concrete that is placed between the facing panels and is integrated with at least the panels and the support piles, and a headstock mounted so as to cover between the upper ends of the facing panels. In the structure of the retaining wall composed of the above, a locking piece having a substantially L-shaped cross section is provided so as to project upward from the inner side surface of each panel, and the end portion of the connecting fitting disposed between the opposing panels. Since the locked piece protrudes downward and the locked portion provided on the locked piece engages with the locking portion provided on the locking piece, the connecting metal fitting is provided between the facing panels. To lower the By engaging the locked portion of the stop piece with the locking portion of the locking piece that is provided so as to project from the inner surface of each panel, it is possible to connect the connecting fitting and the panel with one touch by a fitting operation from above. As a result, the assembly can be easily performed by hand without using nails or tools.

According to the second aspect of the present invention, since both end edges of the connecting metal fitting come into contact with the inner side surfaces of the respective panels in the first aspect, the end portions of the connecting metal fitting come into contact with the inner side surfaces of the respective panels in addition to the first aspect. As a result, the distance between the panels arranged opposite to each other can be accurately maintained by the connecting metal fittings, and the assembling accuracy can be improved.

According to the third aspect of the present invention, the contact piece is provided so as to project upward from both end edges of the connecting metal fitting, and the contact piece abuts on the inner side surface of each panel. In addition, the abutment piece that is raised from the end of the connecting metal fitting is brought into contact with the inner surface of each panel to prevent each panel from tilting and to accurately install each panel. Therefore, the assembling accuracy can be improved.

According to the invention of claim 4, a support pile driven into the ground so that the upper part thereof projects above the ground, and a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides, Connecting fittings installed between the inner surfaces of the panels
In the structure of the retaining wall composed of concrete that is cast between the opposing panels and is integrated with at least the panels and the support piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels, Connecting pieces projecting obliquely upward from the inner side surface, connecting pieces protruding diagonally downward are provided at both ends of the connecting metal fitting, and the connecting pieces abutting on the lower surface of the connecting piece are fixed by fasteners. Since it is connected and fixed to the connecting piece,
Even if the fixing tool is used, the connecting fitting and each panel can be connected to each other without exposing the fixing tool to the outer surface of the panel.

According to a fifth aspect of the present invention, a support pile driven into the ground so that the upper part thereof projects above the ground, and a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides are opposed to each other. Connecting fittings installed between the inner surfaces of the panels
In the structure of the retaining wall composed of concrete that is cast between the opposing panels and is integrated with at least the panels and the support piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels, A pair of connecting pieces are projected so as to be vertically adjacent to each other from the inner side surface, forming connecting recesses that open inwardly between the connecting pieces, and engaging both ends of the connecting metal fittings with the connecting recesses to connect them. Since the connecting piece that forms the recess and the end of the connecting metal fitting are connected and fixed to each other by the fixing tool, the connecting strength of the connecting metal fitting to the panel can be increased by each connecting piece and the fixing tool is used. However, even if it does so, the connecting fitting and each panel can be connected to each other without exposing the fixing tool to the outer surface of the panel.

According to a sixth aspect of the present invention, a support pile driven into the ground so that the upper part thereof projects above the ground, and a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides are opposed to each other. Connecting fittings installed between the inner surfaces of the panels
In the structure of the retaining wall, which is made up of concrete that is cast between the opposing panels and is integrated with at least the panels and the supporting piles, and a head tree that is mounted so as to cover between the upper ends of the opposing panels, the panel is connected to the panel Since the metal fitting and the metal fitting are integrally formed as one piece, there is no need to perform the work of connecting the panel and the connecting metal fitting, and the work man-hours during assembly can be greatly reduced.

[Brief description of drawings]

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

FIG. 2 is a general view of the above, in which (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 (a) is the same support pile, opposing panel connecting means,
It is a partially cutaway front view showing the positional relationship of the support columns, (b)
[Fig. 3] is a cross-sectional view showing a state in which opposed panels are connected.

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

FIG. 7 is a side view of an example in which panels facing each other in the same manner are connected and a headstock is attached to one panel.

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 a view showing a portion in which opposed panels of the same are connected, and (a) is an enlarged sectional view showing an embodiment;
(B) is a partial enlarged sectional view showing another embodiment.

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 in the above,
(A) is a rear view, (b) is a side view, (c), (d) and (e).
Are sectional views of respective portions.

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

14A and 14B are views showing another connecting fitting used in the above, wherein FIG. 14A is a front view and FIG. 14B is a plan view.

[Fig. 15] Fig. 15 shows still another connecting fitting used in the same as above, (a) is a front view and (b) is a plan view.

FIG. 16 is a view showing still another connecting fitting used in the above, in which (a) is a front view and (b) is a plan view.

FIG. 17 is a view showing still another connecting fitting used in the above, in which (a) is a front view and (b) is a plan view.

18 (a) and 18 (b) are front views showing end plates used in the same as above.

FIG. 19 shows a joint material used in the above,
(A) is a front view and (b) is a side view.

FIG. 20 is a view showing how the joint material of the same is attached to a panel, in which (a) is a front view and (b) is a side view.

FIG. 21 is a plan view of a portion connected by the above horizontal panel connecting means.

FIG. 22 shows a head tree used in the above, (a)
Is a plan view, (b) is a side view, and (c) is an enlarged sectional view of an essential part.

FIG. 23 is a plan view of a cover plate used in the above.

FIG. 24 is a perspective view showing the connection between the support pile and the connecting fitting of the above.

FIG. 25 is a perspective view showing the coupling of the above-mentioned strut portion and the coupling fitting.

FIG. 26 is a perspective view showing another example of the coupling of the above-mentioned strut portion and the coupling fitting.

FIG. 27 is a perspective view showing another example of the connection between the panel and the connecting fitting.

FIG. 28 is a perspective view showing still another example of the connection between the panel and the connecting fitting.

FIG. 29 is a perspective view showing still another example of the connection between the panel and the connecting fitting.

FIG. 30 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support pile 2 Panel 4 Concrete 5 Kasagi 27 Connecting metal fitting 31 Retaining piece 100 Locking piece 101 Locking piece 102 Locking part 103 Locking part 110 Connecting piece 111 Connecting piece 112 Fixing tool 120 Connecting piece 121 Connecting recess

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

Claims (6)

[Claims] 1. A support pile driven into the ground so that its upper portion projects above the ground, a panel vertically arranged so as to sandwich the upper portion of the support pile projecting above the ground from both sides, and between the inner surfaces of opposing panels. A retainer made up of a connecting metal member installed between the panels, concrete that is placed between the opposing panels and is integrated with at least the panels and the supporting piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels. In the wall structure, a locking piece having a substantially L-shaped cross section is provided so as to project upward from the inner side surface of each panel, and the engagement piece is engaged downward from the end of the connecting fitting disposed between the opposing panels. A retaining wall structure characterized in that a stop piece is provided in a protruding manner, and a locked portion provided on the locked piece is engaged with a locking portion provided on the locking piece. 2. The structure of the retaining wall according to claim 1, wherein both end edges of the connecting fitting are in contact with the inner surface of each panel. 3. The structure of the retaining wall according to claim 1, wherein the contact piece is provided so as to project upward from both end edges of the connecting fitting, and the contact piece is in contact with the inner side surface of each panel. . 4. A support pile driven into the ground so that the upper part thereof projects above the ground, a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides, and between the inner surfaces of the opposing panels. A retainer made up of a connecting metal member installed between the panels, concrete that is placed between the opposing panels and is integrated with at least the panels and the supporting piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels. In the wall structure, a connecting piece is provided so as to project obliquely upward from the inner side surface of each panel, and a connected piece that projects obliquely downward is provided at both ends of the connecting metal fitting, and is abutted on the lower surface of the connecting piece. A retaining wall structure, characterized in that the connected piece is connected and fixed to the connecting piece with a fastener. 5. A support pile driven into the ground so that its upper portion projects above the ground, a panel vertically arranged so as to sandwich the upper portion of the support pile projecting above the ground from both sides, and between the inner surfaces of opposing panels. A retainer made up of a connecting metal member installed between the panels, concrete that is placed between the opposing panels and is integrated with at least the panels and the supporting piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels. In the wall structure, a pair of connecting pieces are provided so as to be vertically adjacent to each other from the inner side surface of each panel, and connecting recesses that open inward are formed between the connecting pieces. Engage the recess,
A structure of a retaining wall, characterized in that a connecting piece forming a connecting recess and an end of a connecting fitting are connected and fixed to each other with a fastener. 6. A support pile driven into the ground so that the upper part thereof projects above the ground, a panel vertically arranged so as to sandwich the upper part of the support pile projecting above the ground from both sides, and between the inner surfaces of the opposing panels. A retainer made up of a connecting metal member installed between the panels, concrete that is placed between the opposing panels and is integrated with at least the panels and the supporting piles, and a head tree that is attached so as to cover between the upper ends of the opposing panels. In the wall structure, the structure of the retaining wall is characterized in that the panel and the connecting metal member are integrally molded to form an integral body.