JP6226217B1 - Connecting member for constructing decorative covering protective wall of reinforced embankment wall and method for constructing decorative covering protective wall of reinforced embankment wall - Google Patents

Abstract

The present invention provides a method for constructing a decorative covering protective wall of a reinforced embankment wall that can reliably maintain the position where the protective wall panel was initially constructed. A method of constructing a decorative covering protective wall for a reinforced embankment wall uses a connecting member 20 to secure a space that is larger than the protruding dimension of the wall surface of the reinforced embankment wall 4, and the connecting member 20 is connected to a column 5 on one end side. A connecting portion 21 to be connected, a connecting rod 23 provided with a resistance plate 22 on the other end side, and a pipe member 24 slidable in the axial direction on the outer periphery of the connecting rod 23, The provided resistance plate 22 is embedded in the stable reinforcing embankment area A2, and the pipe member 24 is embedded in the unstable reinforcing embankment area A1, the protective wall panel 6 is attached to the support column 5, and the connection portion 21 is connected to the support column 5. By connecting, constructing a decorative covering protective wall 7 by securing a space larger than the squeezing dimension on the front surface of the wall of the reinforcing embankment wall 4, and the reinforcing embankment of the unstable reinforcing embankment area A1 is displaced forward, The pipe member 24 slides forward along with the displacement. By id, displacement of the reinforcing embankment walls 4 is not transmitted to the connecting rod 23, a configuration in which the initial build position of the decorative covering wall 7 is maintained. [Selection] Figure 5

Description

  The present invention relates to a connecting member for constructing a decorative covering protective wall of a reinforcing embankment wall used for connecting the reinforcing embedding wall and the decorative covering protective wall when constructing a decorative covering protective wall of the reinforcing embankment wall, and the reinforcing embankment thereof. The present invention relates to a method for constructing a decorative covering protective wall for a reinforced embankment wall using a connecting member for constructing a decorative covering for a wall.

Conventionally, concrete retaining walls and reinforced embankment walls have been constructed to construct roads and the like.
As a typical construction method of a reinforced embankment wall, a tail arme method, a multi-anchor method, and a geotextile method are disclosed (for example, Non-Patent Document 1).
As shown in FIG. 1 (a), the tail arme construction method constructs a reinforced embankment wall by attaching a plurality of strip steel materials to a wall surface material constructed on foundation concrete and spreading the embankment. As shown in Fig. 1 (b), the multi-anchor construction method builds a reinforced embankment wall by attaching tie bars (round steel) with anchors to the wall material constructed on the foundation concrete and spreading the embankment. To do. As shown in FIG. 1 (c), the geotextile construction method constructs a reinforced embankment wall by providing a plurality of nets made of synthetic polymer in the height direction on the wall material and spreading the embankment.

Patent Document 1 discloses a connecting member for constructing a decorative covering protective wall for a reinforced embankment wall (hereinafter referred to as a connecting member) and a method for constructing a decorative covering protective wall for a reinforced embankment wall using the connecting member. Yes.
The connecting member of Patent Document 1 is erected in advance at a predetermined position, and secures an interval more than the protruding dimension of the wall surface of the reinforcing embankment wall between the support column to which the protective wall panel is attached and the reinforcing embankment wall. Provided. The connecting member includes a piston rod provided with a piston at the tip, a first oil chamber having a first oil supply port, a first oil chamber divided by the piston, and a second oil supply port. And a cylinder having a second oil chamber provided with an oil tank having an oil squeezing hole, and there is an oil leakage passage in the gap between the piston and the cylinder, or a through hole is provided in the piston. An oil leakage passage that communicates between the oil chamber and the second oil chamber is formed, and when the piston moves at a slow speed inside the cylinder, the oil in the first oil chamber passes from the oil leakage passage to the second oil chamber. The oil that has flowed out and overflowed from the second oil chamber moves to the oil tank through the oil squeeze hole.
By adopting such a configuration, the displacement of the reinforced embankment wall that squeezes out at a very slow speed of approximately 60 mm during the lapse of approximately one to three years is the resistance to expansion and contraction under ultra-low speed between the cylinder and piston. The piston instantaneously moves the load that is automatically absorbed by the operating effect and momentarily acts on the protective wall panel in the event of a typhoon or earthquake, thereby instantaneously increasing the internal pressure of the cylinder and locking the movement of the piston. By transmitting to the reinforced embankment wall side, the protective wall panel is safely supported. Then, the initial construction position of the protective wall panel is maintained.

Japanese Patent No. 6137431

Takuya Iwamoto, Takayama National Highway Office In-house Study Group Design and construction of reinforced soil walls following revision of the H24 version retaining wall guideline Part 1 “General reinforced soil walls”, pages 8 to 10, [PDF] , February 5, 2015, ME Hida Regional Subcommittee, [Search February 13, 2017], Internet (URL: http://www.hisyu.co.jp/topics/2015/pdf/001_kk .pdf)

A loading test was performed on the reinforced embankment walls constructed by the above-described three reinforced embankment construction methods, and the results of observing the behavior of these wall bodies are shown in FIG. The loading test was performed under the same conditions (reinforcement soil height: 4.5 m, width: 3.0 m, wall surface material: 3.2 mm steel plate, embankment material: same material, same plan) for all construction methods. Is.
It can be seen that the reinforced embankment wall constructed by the tail arme method or the anchor method is displaced forward by about 6 to 8 mm. On the other hand, the reinforced embankment constructed by the geotextile method is displaced about 30 mm forward, and the reinforced embankment constructed by the geotextile method has the largest displacement.
In this way, when the wall surface of the reinforced embankment wall swells forward and deforms, in addition to being unfavorable in appearance, many years, a load is applied to the wall material of the reinforced embankment wall, resulting in distortion and cracks in the wall material, If a large load is applied to the wall material due to an earthquake, the wall material may be destroyed.

From the above problems, a reinforced embankment wall method having a double wall structure has been proposed. In this reinforcing embankment wall method, a protective wall panel is provided at a predetermined interval in front of the reinforcing embankment wall, and after connecting the wall material of the reinforcing embankment wall and the protective wall panel with a connecting belt, the reinforcing embankment wall and the protective wall panel The space formed between the two is filled with crushed stone (gravel) to construct a crushed stone layer. A feature is that a space is formed between the reinforced embankment wall and the protective wall panel so that a load from the reinforced embankment wall is not easily applied to the protective wall panel. Moreover, since the crushed stone layer functions as a drainage layer, drainage can be improved.
However, since the load from the reinforced embankment wall is transmitted to the protective wall panel through the crushed stone layer, the protective wall panel swells forward, and the initial construction position of the protective wall panel cannot be reliably maintained.

Further, in the method for constructing a decorative covering protective wall for a reinforced embankment wall disclosed in Patent Document 1, it is necessary to attach a connecting member between the reinforced embankment wall and a column after installing the grid belt on the reinforced embankment. Therefore, when attaching the connecting member, a fine work is required and it takes a long time. Therefore, a method for constructing a decorative covering protective wall for a reinforced embankment wall that can construct a decorative covering protective wall in a shorter time is desired.
Furthermore, in order to manufacture the cylinder and piston which comprise the connection member of patent document 1, precise processing is required. If precise processing is performed when manufacturing these members, there is a problem that the cost of manufacturing the connecting members increases.

  The present invention relates to a connecting member for constructing a decorative covering protective wall of a reinforced embankment wall for use in constructing a protective wall of a reinforced embankment wall that can reliably maintain the position where the protective wall panel was initially constructed. In addition to reducing costs, an object of the present invention is to provide a method for constructing a decorative covering protective wall for a reinforced embankment wall that efficiently constructs the connecting member for constructing a decorative covering protective wall for a reinforced embankment wall.

The connecting member for constructing the decorative covering protective wall of the reinforced embankment wall according to the present invention is constructed by compacting the embankment material with a reinforcing material interposed therebetween, and unstable reinforced embankment region and stable reinforced embankment region with the virtual sliding surface as a boundary. A decorative covering protective wall for constructing a decorative covering protective wall for protecting a decorative covering wall of a reinforcing embankment wall having a decorative wall, and is attached to a back surface of a protective wall panel constituting the decorative covering protective wall. Connected to the connected member.
The connecting member for constructing the decorative covering protective wall of the reinforced embankment wall penetrates the unstable reinforced embankment region and the virtual sliding surface, and in addition to the length reaching the stable reinforced embankment region, the wall surface squeezes out. A connecting rod that has a dimension and a length that is required for assembly, and is provided with a connecting portion that is connected to the connected member at one end and a resistance plate that serves as a supporting and reinforcing member at the other end. And a pipe member provided on the outer periphery of the connecting rod so as to be slidable in the axial direction, the resistance plate is embedded in the stable reinforcing embankment region, and the pipe member is the unstable reinforcing embankment region. The wall of the reinforced embankment wall is swollen by about 60 mm during the lapse of about 1 to 3 years because the reinforced embankment of the unstable reinforced embankment area is displaced forward, and the pipe is moved along with the displacement. The member moves forward By sul, displacement of the reinforcing embankment wall is not transmitted to the connecting rod, and maintains the initial construction position of the decorative covering wall.

The method of constructing a decorative covering protective wall for a reinforced embankment wall according to the present invention is constructed by compacting an embankment material with a reinforcing material interposed therebetween, and includes an unstable reinforced embankment region and a stable reinforced embankment region with a virtual sliding surface as a boundary. Using a connecting member for constructing a decorative covering protective wall of the above-mentioned reinforcing embankment wall, a spacing greater than the protruding dimension of the wall of the reinforcing embankment wall is secured using the above-described connecting member for constructing the protective covering wall of the reinforcing embankment wall. To build.
And the decorative covering protective wall construction method of the reinforced embankment wall embeds the resistance plate provided on the connection bar material in the stable reinforcement embankment region, and the pipe member provided on the connection bar material Embedded in an unstable reinforced embankment area, the protective wall panel is attached to the connected member, the connecting portion of the connecting bar is connected to the connected member, and squeezed out to the front of the reinforced embankment wall The decorative covering protective wall is constructed with a space of at least the dimension, and the reinforcing embankment in the unstable reinforcing embankment region is displaced forward, so that the wall surface of the reinforcing embankment wall generally passes from 1 to 3 years. As the pipe member slides forward along with the displacement, the displacement of the reinforcing embankment wall is not transmitted to the connecting bar, and the initial construction position of the decorative covering protective wall is maintained. With features That.

The reinforced embankment wall swells forward about 3 cm to 6 cm in one year due to the displacement of the reinforced embankment in the unstable reinforced embankment region. Therefore, the wall surface of the reinforced embankment gradually swells forward at an extremely slow speed.
According to the method for constructing a decorative covering protective wall for a reinforced embankment wall according to the present invention, when the reinforced embankment in an unstable reinforced embankment area is displaced, the pipe member slides forward along with the displacement. The displacement of the reinforced embankment in the unstable reinforced embankment region mainly causes the pipe member to slide. Therefore, the displacement of the reinforced embankment in the unstable reinforced embankment region is hardly transmitted to the connecting bar.
Furthermore, when the reinforced embankment of the unstable reinforced embankment area is displaced, the resistance panel embedded in the stable reinforced embankment area prevents the connecting member from being displaced forward. Therefore, even when the reinforcing embankment in the unstable reinforcing embankment region is displaced, the connecting member is maintained at the initial position.
Therefore, even if the reinforcing embankment in the unstable reinforcing embankment area is displaced, the initial construction position and construction state of the decorative covering protective wall can be reliably maintained.

  Since the connecting member for constructing the decorative covering protective wall of the reinforced embankment wall according to the present invention is provided with a resistance plate, movement of the connecting member is restricted by the resistance plate when a load due to a typhoon or an earthquake is applied to the connecting member. Is locked. When the movement of the connecting member is in the locked state, the load on the protective wall panel (protective wall) is transmitted to the reinforced embankment side of the stable reinforced embankment region, and the protective wall panel can be safely supported. Therefore, the entire protective wall is prevented from being tilted forward or backward, the reinforced embankment wall can be covered with cosmetics, the appearance can be maintained, and the possibility that the protective wall panel (protective wall) will collapse is avoided. You can also

Moreover, since the connecting member for constructing the decorative covering protective wall of the reinforced embankment wall according to the present invention can be easily connected to the connected member, when attaching the connecting member, no detailed work is required, and the working time can be shortened. .
Furthermore, the connecting member for constructing the decorative covering protective wall of the reinforcing embankment wall according to the present invention only needs to include a connecting bar, a pipe member, and a resistance plate. These members can use general-purpose members that do not have complicated shapes, and do not require precise processing. Therefore, by using the connecting member for constructing the decorative covering protective wall of the reinforced embankment wall of the present invention, the cost can be reduced as compared with the case of using the connecting member that requires precise processing.

It is a figure which shows the construction method of the conventional reinforcement embankment wall. (A) Tail Arme Method, (b) Multiple Anchor Method, (c) Geotextile Method It is a figure which shows the result of the loading test of the conventional reinforcement embankment wall. It is a figure which shows the connection member for makeup | decoration covering protection wall construction of the reinforced embankment wall which concerns on embodiment of this invention. (A) Side view, (b) Front view Sections of reinforcing embankment wall and makeup covering protective wall constructed by a method for constructing decorative covering protective wall for reinforcing embankment wall constructed using connecting member for constructing decorative covering protective wall of reinforcing embankment wall according to an embodiment of the present invention FIG. It is sectional drawing of the reinforcement embankment wall and the makeup | decoration covering protection wall which show the state which the reinforcement embankment wall constructed | assembled using the connection member for makeup | decoration covering protection wall construction | assembly of the reinforcement embankment wall which concerns on embodiment of this invention protruded. It is sectional drawing of the reinforced embankment wall and the makeup | decoration covering protection wall which were constructed | assembled by the makeup | decoration covering protection wall construction method of the reinforcement embankment wall which concerns on the modification 1 of embodiment of this invention. Section of a reinforcing embankment wall and a decorative covering protective wall showing a state in which a reinforcing embankment wall constructed using the connecting member for constructing a decorative embankment protective wall of a reinforcing embankment wall according to Modification 1 of the embodiment of the present invention FIG. It is sectional drawing of the reinforcement embankment wall constructed | assembled using the connection member for makeup | decoration covering protection wall construction of the reinforcement embankment wall which concerns on the modification 2 of embodiment of this invention.

As shown in FIG. 4, the method for constructing a decorative covering protective wall for a reinforced embankment wall according to this embodiment (hereinafter referred to as a decorative covering protective wall constructing method) interposes the reinforcing material 2 on the embankment material 1 (embankment material). The wall of the reinforced embankment wall 4 that is constructed by compaction is applied to the makeup covering protective wall for protecting the makeup using the connecting member 20 for constructing the decorative covering protective wall of the reinforcing embankment wall (hereinafter referred to as the connecting member 20). 7 is built.
The reinforced embankment wall 4 has an unstable reinforced embankment area A1 and a stable reinforced embankment area A2 with the virtual sliding surface P as a boundary. Here, the unstable reinforced embankment area A1 means an area that is displaced by the load of the reinforced embankment wall 4, and the stable reinforced embankment area A2 is an area that is hardly displaced by the load of the reinforced embankment wall 4 or the like. Means.
In addition, in this embodiment, the example which assumed the reinforced embankment wall 4 constructed | assembled by the geotextile method and the many anchor method is demonstrated, and the virtual sliding surface P shown on drawing is a thing at the time of being constructed | assembled by the many anchor method Is shown as an example. This virtual sliding surface P can be determined by knowledge based on Coulomb earth pressure theory or experience, for example.

First, the connecting member 20 will be described. FIG. 3 shows the connecting member 20 according to the present embodiment. As shown in FIG. 3A, the connecting member 20 is provided with a connecting portion 21 on one end side, and on the other end side with a supporting plate 22 as a resistance plate serving as a support reinforcing member. The connecting rod 23 and a pipe member 24 provided on the outer periphery of the connecting rod 23 are provided.
The connecting portion 21 is formed of a member separate from the connecting rod 23, and a through hole 25 is formed in the connecting portion 21.
As shown in FIG. 3B, the support plate 22 has a rectangular flat plate shape. For example, a metal plate can be used as the support plate 22. A plate through-hole 22C is formed in the support plate 22 from the front surface 22A to the back surface 22B. The connecting rod 23 is fixed to the support plate 22 by inserting the tip of the connecting rod 23 into the plate through hole 22C and tightening with a nut. The connecting rod member 23 is fixed substantially perpendicular to the front surface 22A of the bearing plate 22.
The connecting bar 23 has a predetermined length, and for example, a metal bar can be used. Here, the predetermined length refers to the length that penetrates the unstable reinforcing embankment area A1 and the virtual sliding surface P and reaches the stable reinforcing embankment area A2, and the length of the wall protruding and the dimensions required for assembly. This means the length plus the length.
The pipe member 24 covers a part of the connecting bar 23 and is provided so as to be freely slidable in the axial direction of the connecting bar 23. For the pipe member 24, for example, a hard polyvinyl chloride pipe can be used. The length of the pipe member 24 can be appropriately changed depending on the depth in the front-rear direction X of the unstable reinforcing embankment region A1.
As will be described later, the connecting member 20 is provided so that the support plate 22 is embedded in the stable reinforcing embankment area A2, and the pipe member 24 is embedded in the unstable reinforcing embankment area A1.

Next, a makeup covering protective wall construction method according to the present embodiment will be described.
This makeup covering protective wall construction method is constructed by compacting the embankment material 1 with the reinforcement material 2 interposed therebetween, and has an unstable reinforcement embankment area A1 and a stable reinforcement embankment area A2 with the virtual sliding surface P as a boundary. The decorative covering protective wall 7 that protects and protects the wall surface of the reinforcing embankment wall 4 is constructed using the above-described connecting member 20 while ensuring an interval equal to or greater than the protruding dimension of the wall surface of the reinforcing embankment wall 4.

First, a metal frame material (not shown) is installed, the embankment 1 (embankment material) is spread, and the reinforcing material 2 is spread in the front-rear direction X. As the reinforcing material 2, for example, a strip-shaped steel material, a rod-shaped steel material, a mesh-like steel material made of a synthetic polymer (a grid-shaped reinforcing material in which aramid fibers are covered with polyethylene), or the like can be used.
After attaching the reinforcing material 2, the connecting member 20 is provided on the reinforcing material 2 at a predetermined interval with its tip protruding forward from the side surface of the embankment 1.
Next, the support column 5 (member to be connected) and the connection portion 21 which are erected in advance at a predetermined interval in front of the embankment 1 are connected. Here, the predetermined interval means an interval equal to or larger than a protruding dimension of the wall surface of the reinforcing embankment wall 4 from the reinforcing embankment wall 4.
Moreover, the length of the connection bar 23 arrange | positioned in the stable reinforcement embankment area | region A2 shall be about 1.2 m from the virtual sliding surface P, for example. This length can be changed as appropriate.

  And the protective wall panel 6 is attached to the support | pillar 5 to the height in which the connection member 20 was provided, the protective wall (decoration covering protective wall) 7 is constructed in the whole surface of the reinforcement embankment wall 4, and the reinforcement embankment wall 4 is cosmetically covered. . For example, the protective wall panel 6 having a length in the height direction Y of about 200 mm to about 300 mm can be used. In this embodiment, the protection wall panel 6 has shown the example using the thing of the length of about 300 mm in the height direction.

After the protective wall panel 6 is attached to the column 5, the embankment material 1 is loaded on the connecting member 20, and the support plate 22 is placed in the stable reinforced embankment area A 2, and the pipe member 24 is placed in the reinforced embankment area A 1. Embed to be placed. A part of the pipe member 24 is embedded in the stable reinforced embankment area A2.
The embedding of the pipe member 24 in the unstable reinforcing embankment area A1 and the embedding of the bearing plate 22 in the stable reinforcing embankment area A2 are the major features of the method for constructing the decorative covering protective wall of the present embodiment.

The above work is repeated until the desired height is reached, and the reinforced embankment wall 4 is constructed.
Finally, the reinforced embankment wall 4 is constructed by attaching the wall surface material 3 to the front surface of the reinforced embankment wall 4.

Next, the effect of the makeup | decoration covering protective wall construction method which concerns on this embodiment is demonstrated.
It is known that the reinforced embankment wall 4 swells forward about 3 cm to 6 cm in one year when the reinforced embankment in the unstable reinforced embankment region A1 is displaced. When this is converted into speed, it is about 1 μm / h. Therefore, the wall surface material 3 of the reinforcing embankment wall 4 gradually swells forward at an extremely slow speed.
In the decorative covering protective wall construction method according to the present embodiment, when the reinforced embankment in the unstable reinforced embankment area A1 is displaced, the pipe member 24 slides forward with the displacement of the reinforced embankment as shown in FIG. The displacement of the reinforcing embankment mainly causes the pipe member 24 to slide, and the displacement of the reinforcing embankment in the unstable reinforcing embankment region A1 is hardly transmitted to the connecting bar 23.
Furthermore, the resistance panel 22 embedded in the stable reinforcing embankment area A2 resists the force that the connecting member 20 is displaced forward (pulled out) when the reinforcing embankment of the unstable reinforcing embankment area A1 is displaced. The connecting member 20 is restrained from being displaced forward. Then, even when the reinforcing embankment in the unstable reinforcing embankment area A1 is displaced, the connecting member 20 is maintained at the initial position. Therefore, even if the reinforcing embankment in the unstable reinforcing embankment area A1 is displaced, the initial position where the decorative covering protective wall 7 is constructed is maintained.
Thus, since the constructed initial state of the decorative covering protective wall 7 is maintained, the entire decorative covering protective wall 7 is prevented from being inclined forward, the decorative embankment wall 4 can be decoratively covered, and the appearance is maintained. In addition to being able to do so, the risk that the protective wall panel 6 (the decorative covering protective wall 7) collapses can be avoided.

Moreover, a load may be applied to the protective wall panel 6 (the decorative covering protective wall 7) from the front-rear direction X due to a typhoon or an earthquake. When a load is applied to the protective wall panel 6 from the front-rear direction X, the load applied to the protective wall panel 6 moves to the connecting member 20, and this load further moves to the connecting bar 23.
Since the connecting rod 23 constituting the connecting member 20 according to the present embodiment is provided with the resistance plate 22, when a load due to a typhoon or an earthquake is applied to the connecting rod 23, the connecting rod 23 is connected by the resistance plate 22. The movement of the material 23 is restricted and the locked state is established. When the movement of the connecting bar 23 is in the locked state, the load on the protective wall panel 6 is transmitted to the reinforced embankment side of the stable reinforced embankment region A2, and the protective wall panel 6 can be safely supported.
Then, even when a load caused by a typhoon or an earthquake is applied to the connecting bar 23, the entire decorative covering protective wall 7 can be prevented from being tilted forward or backward, and the reinforcing embankment wall 4 can be covered with a decorative covering and the appearance can be maintained. In addition to being able to do so, the possibility that the protective wall panel 6 (the decorative covering protective wall 7) collapses can be avoided.

Since the connecting member 20 of the present embodiment can be easily connected to the support column 5 (member to be connected), when attaching the connecting member 20, detailed work is unnecessary, the work time is shortened, and the decorative covering protective wall 7 is attached. It can be built efficiently. Furthermore, the connection member 20 of this embodiment should just be provided with the connection bar 23, the pipe member 24, and the resistance plate 22, and these members are the versatility which does not have a complicated shape. Thus, the connecting member 20 can be manufactured without performing precise processing. Therefore, by using the connecting member 20 of the present embodiment, the cost can be reduced as compared with the case of using a connecting member that requires precise processing.
In addition, the connection member 20 of this embodiment can be produced at a cost of 1/3 compared with the connection member of patent document 1. FIG.

Moreover, in the decorative covering protective wall construction method according to the present embodiment, it is not necessary to fill crushed stone (gravel) between the protective wall panel 6 and the reinforcing embankment wall 4.
Therefore, compared with the case where crushed stone is filled between the protective wall panel 6 and the reinforcing embankment wall 4, the decorative covering protective wall 7 can be constructed at a low cost.

In the conventional protection wall construction method, when crushed stone is filled between the protection wall panel and the reinforced embankment wall, the load from the reinforced embankment wall is applied to the protection wall panel via the crushed stone layer that is filled and constructed. Join.
In the decorative covering protective wall construction method according to the present embodiment, crushed stone is not filled between the protective wall panel 6 and the reinforced embankment wall 4, so that the load from the reinforced embankment wall 4 is applied to the protective wall panel 6. There is no. Therefore, the initial state in which the protective wall panel 6 (the decorative covering protective wall 7) is constructed can be maintained, and the protective wall panel 6 (the decorative covering protective wall 7) can be safely supported.
The protective wall panel 6 is installed with a predetermined distance from the wall material 3. Therefore, a space is formed between the protective wall panel 6 and the wall surface material 3. This space functions as a drainage path for rainwater and the like, and is well drained.

[Modification 1]
In the first modification, an example in which a plurality of block members 30 is used as the connected member, as shown in FIG. In addition, since the makeup | decoration covering protective wall construction method of this modification is implemented by the process similar to said embodiment except the attachment process of the block material 30, detailed description of the overlapping process is abbreviate | omitted.
In the decorative covering protective wall construction method of this modification, an example in which a size larger than the protective wall panel 6 used in the above embodiment is used will be described. For example, the protective wall panel 6 having a length in the height direction Y of about 1000 mm to about 3000 mm can be used.
In the decorative covering protective wall construction method, when the protective wall panels 6 are stacked in the height direction Y, the block member 30 is suspended, and the protective wall panels 6 adjacent to the block member 30 in the height direction Y are respectively attached.
Also in the decorative covering protective wall construction method of the present modified example, as shown in FIG. 7, even when the reinforcing embankment in the unstable reinforcing embankment area A1 is displaced, the pipe member 24 slides, thereby causing the unstable reinforcing embankment. The displacement of the reinforcing embankment in the region A1 is hardly transmitted to the connecting bar 23. Therefore, even if the reinforcing embankment in the unstable reinforcing embankment area A1 is displaced, the initial position and the initial state where the decorative covering protective wall 7 is constructed are maintained.
In addition, the makeup covering protective wall construction method according to the present modification only needs to attach the block member 30 at any time during the construction of the makeup covering protective wall 7. When the installation form of the covering protective wall 7 is complicated, the decorative covering protective wall 7 can be constructed flexibly.

[Modification 2]
In the modified example 2, in the connecting member 20, the supporting plate 22 is manufactured after the connecting member 20 is installed without using the existing one. In addition, since the makeup | decoration covering protective wall construction method of this modification is implemented in the process similar to said embodiment, detailed description of the overlapping process is abbreviate | omitted.
As shown in FIG. 8, the connecting member 20 used in this modification is provided with a mold 31 on the other end side. After the connecting member 20 is disposed on the reinforcing member 2, the mold 31 is filled with mortar 32 and cured. Since the reinforcing material 2 has a mesh shape, the filled mortar 32 sinks into the mesh of the reinforcing material 2 and is cured. Then, the mold 31 is firmly fixed to the reinforcing material 2 via the mortar 32.
In the connecting member 20 used in the method for constructing the decorative covering protective wall according to the present modification, the combined body 33 of the mold 31 and the mortar 32 after curing serves as a resistance plate.
Since the mortar 32 is firmly fixed to the reinforcing member 2 in the joined body 33 as the resistance plate, even when a load generated by the displacement of the reinforcing embankment in the unstable reinforcing embedding region A1 is applied to the connecting bar 23. The connecting member 20 is restrained from being displaced forward.

  Although the present embodiment has been described above, the configuration described in the above embodiment can be selected or changed to other configurations as appropriate without departing from the gist of the present invention. .

1 Filling (filling material)
2 Reinforcement material 3 Wall material 4 Reinforced embankment wall 5 Post (connected member)
6 protective wall panel 7 decorative covering protective wall 20 connecting member (connecting member for constructing decorative covering protective wall of reinforced embankment wall)
21 Connection 22 Pressure bearing plate (resistance plate)
22A Front surface 22B Back surface 22C Plate through-hole 23 Connecting rod 24 Pipe member 25 Through-hole 30 Block material (connected member)
31 Formwork 32 Mortar 33 Combined body (resistance plate)
A1 Unstable reinforced embankment area A2 Stable reinforced embankment area P Virtual sliding surface X Front-rear direction Y Height direction

Claims (1)

A decorative covering protective wall constructed by compacting an embankment material with a reinforcing material interposed therebetween and protecting the wall surface of the reinforcing embankment wall having an unstable reinforcing embankment area and a stable reinforcing embankment area with a virtual sliding surface as a boundary. Stagnation of the wall surface of the reinforcing embankment wall using a connecting member for constructing the decorative embankment protection wall of the reinforcing embankment wall connected to the connected member attached to the back surface of the protective wall panel constituting the decorative covering protection wall It is a method for constructing a decorative covering protective wall for a reinforced embankment wall that is constructed by securing an interval that is larger than a protruding dimension,
The connecting member for constructing the decorative covering protective wall of the reinforced embankment wall passes through the unstable reinforced embankment region and the virtual sliding surface, and is connected to the connected member on one end side and supported on the other end side. A connecting bar provided with a resistance plate serving as a reinforcing member, and a pipe member provided on the outer periphery of the connecting bar so as to be slidable in the axial direction;
The resistance plate provided in the connecting bar is embedded in the stable reinforcing embankment area, and the pipe member provided in the connecting bar is embedded in the unstable reinforcing embankment area,
The protective wall panel is attached to the connected member,
Connecting the connecting portion of the connecting bar to the connected member, and constructing the decorative covering protective wall by securing an interval more than a squeeze dimension on the front surface of the wall surface of the reinforcing embankment wall,
When the reinforced embankment in the unstable reinforced embankment area is displaced forward, the wall surface of the reinforced embankment wall squeezes out about 60 mm during the lapse of about 1 to 3 years, and the pipe member moves forward with the displacement. by sliding displacement of the reinforcing embankment wall is not transmitted to the connecting rod, the initial build position of the decorative covering wall is maintained,
A method for constructing a decorative covering protective wall for a reinforced embankment wall.