JP5038075B2 - Mounting method of wall material for slope of embankment - Google Patents

Description

The present invention relates to a method for attaching a wall material that can be attached to a slope of a bank built by a tail arme method and can be greened.

  The embankment structure by the tail arme method is formed by placing strips made of steel strip between the embankment layers and connecting the wall materials and strips along the slope, and occurs between the soil and the strip. The embankment is stabilized by restraining the deformation of the soil by friction, and the precast concrete plate has been mainly used as the wall material, but it cannot be greened by the conventional wall material.

  A wall material that enables greening has also been proposed, and a wall is made of a precast plate that is attached to the slope of the embankment constructed as one of them, and a planting hole is provided on the back (back) side of the planting hole. To prevent the earth and sand from flowing into the planting hole, and press the root pots such as Satsuki and Aoi from the front side into the planting hole and closely adhere to the back soil through the net, so that the moisture content of the back soil penetrates into the root pot. The plant is grown, and the root of the grown plant is extended to the back soil through the net, and the front side is provided with a stopper for fixing the root pot (patent) Reference 1).

In addition to this, a mesh panel in which reinforcing bars are assembled in a lattice shape is also known as a wall material that can be greened. This mesh panel is unsuitable for vertical walls, but it is possible to plant sloped slopes by using a vegetation net.
JP 2007-89594 A

  The construction of the wall material disclosed in Patent Document 1 is performed by attaching a wall pot along the slope to the strip, and then attaching a root pot. At that time, planting holes in the root pot Work such as pushing into the base and fixing the root pot with a stopper is necessary, and the structure of the wall material becomes complicated by providing the stopper. On the other hand, the mesh panel has a simple structure, does not require greening work, and has low rigidity and is easily deformable, so it can be easily accommodated by deforming even a bent slope. There are advantages, but on the other hand, they tend to be deformed unnecessarily during transportation and handling, are difficult to handle, have low strength, and when mesh panels are connected vertically and horizontally during construction, part of the mesh panels The overlapping portions are bundled using a number wire, but there is a problem that the work takes a lot of trouble.

The present invention is attached to slope embankment built by Teruarume method, may greening, and an object thereof is construction to provide a mounting method easy wall material.

Wall material of the invention according to claim 1 relates to a method of mounting to the wall material such forms enclosed around a frame assembling a bar having a constant width in a grid or honeycomb-like, wall material, for example fiber-reinforced Each of the square or hexagonal eye holes formed by a plastic FRP molded product in the form of a grid or honeycomb is formed so that the crosspieces have a draft angle and are directed from one side to the other. From the side where the wall surface material is spread on the slope of the embankment so that the side where the opening of the pores is the front side, A step of inserting and pushing a loading piece with a connection fitting from the connection fitting, a step of connecting the connection fitting protruding from the wall surface material, and a strip arranged on the banking bank each time a certain amount of banking is carried out by fastening means; It is characterized by comprising.

The invention according to claim 2 is the invention according to claim 1, the支杆consisting H-beam vertically, and grooves at constant intervals along a slope of the embankment so that the sideways facing each other a step of juxtaposed, and adjacent opposing characterized further provided Rukoto the step of attaching to the wall surface member is fitted from above into the groove on both sides of支杆the groove of支杆, in a preferred invention, the wall member Each time it is mounted, a horizontal bar made of H-shaped steel is mounted on it with the grooves facing up and down, and the upper and lower edges of the wall material are fitted into the upper and lower grooves.

According to the first aspect of the present invention, the wall material is attached by spraying plant seeds from the front side of the wall material, or by attaching a plant seed between the wall material and the slope of the embankment. It can be planted through green, no special construction is required for greening, and the wall material only needs to be installed by conventional construction methods. The wall material is placed vertically and horizontally on the slope of the embankment and connected. However, the connection can be easily done by welding the frames of the wall materials, fastening them with bolts or other fasteners, or by tying the frames together with a few wires, etc. Since the frame is surrounded by a frame and the beam does not protrude, it will not get caught by the beam during work, so it is safe and has good workability.The wall material can be easily produced by integral molding. Form each eye hole that forms a square Has a draft angle, but it is possible to easily fix the wall material by simply fitting the loading piece using this draft angle and connecting the strip interposed between the connecting metal fitting and the embankment, at least By attaching the loaded piece colored on the front side to the required eyes, there are effects such as that a design effect can be brought about .

According to the invention which concerns on Claim 2 , a wall surface material can be attached easily and reliably by fitting and attaching a wall surface material to the groove | channel of the opposite support.

FIG. 1 shows a wall surface material used in the method of the present invention . This wall surface material is a frame formed by assembling bars 1 having a constant width in the form of a lattice at regular intervals in the vertical and horizontal directions. are I Do than the FRP of the molded article having a rectangular form enclosed by 2. FIG. 2 shows a structure in which a steel strip 6 disposed between layers of the embankment 5 and a wall material 3 attached to the slope of the embankment 5 are connected by a connecting metal fitting 7. Although not shown, a vegetation mat that wraps plant seeds between the wall material 3 is attached.

  In FIG. 3, strips 6 disposed between the layers of the embankment 5 are connected to the back surface (back) side of the wall surface material 3 arranged vertically and horizontally in the same plane.

According to the wall material 3, flourish plants wall member 3 is grown from the vegetation mat by forms a grid pattern through the wall material 3, that may greening, used in the prior method for greening, the wall member It is only necessary to install a new vegetation mat as a grid-like wall material, and it can be greened substantially the same as the conventional construction method. The wall material 3 is surrounded by the frame 2 and is not surrounded by the frame 2. If the pier end is exposed, it will not get caught in the pier end, causing troubles to work or impairing safety. Can be easily done by tightening with a nut, and the wall surface material 3 is made of an FRP molded product, so it is lightweight, has excellent workability, durability, weather resistance, corrosion resistance, and productivity, and uses a colored resin By the wall It is possible to color the wood, that painting is also possible, it has the effect of equal.

  The wall surface material 3 is made of FRP, but may be made of other resin, steel, or other metal. When made of steel, it is preferably galvanized.

In the above example, the vegetation mat is attached to the slope, but the vegetation mat is not an essential requirement, and the vegetation mat may be omitted, and plant seeds may be sprayed from the surface side of the wall surface material 3.

  4 and 6 to 10 show various connection modes of the connection fittings 7a to 7e and the wall surface material 3, and each of the squares defined by assembling the crosspieces 1 of the wall surface material 3 in a lattice shape. The eye hole 9 is formed so that the front side is expanded by the crosspiece 1 having a draft angle. In the wall surface material 3 shown in FIG. 4, a connecting piece 11 made of FRP having the same cross-sectional shape as the eye hole 9 is inserted into the loading piece 11 from the front side in a required eye hole 9 to be connected to the strip 6. The metal fitting 7a is pushed in, and the connection metal fitting 7a and the strip 6 are connected to each other by fastening means including a bolt 12 and a nut 13, and the tension in the direction of the arrow is applied to the strip 6 to open the eye hole. The loading piece 11 fitted to the 9 is firmly fixed by the wedge effect.

  FIG. 5 is a view of the main part of the wall surface material 3 on which the loading piece 11 is mounted as viewed from the front side. The loading piece 11 is fitted in the eye hole 9 and the loading piece 11 is colored, The design effect of the material 3 can be improved.

  The loading piece 15 shown in FIG. 6 can be more reliably prevented from coming off by applying a flange 15a integrally formed on the front side to the wall surface material 3.

  7 to 9 show various forms of the connecting fittings 7b to 7d inserted into the loading piece 17, and FIG. 7 shows a case where the insert portion of the connecting fitting 7b is bifurcated. FIG. FIG. 9 is a view in which a plate 20 covering the loading piece 18 is fixed to the tip of the insert portion of the connection fitting 7d. Further, FIG. 10 shows that the connecting fitting 7e is formed in an L shape, and a bolt 21 is passed through the bent portion and the loading piece 19 and is tightened with a nut 22, and the connecting fittings 7b to 7e are loaded pieces. 17, 18, 19 is prevented from coming off or integrally connected.

  FIG. 11 shows the support 25 made of H-shaped steel in the vertical direction and the grooves 26 facing each other in the horizontal direction, and arranged side by side at regular intervals along the slope of the embankment. The wall surface material 3 is fitted into the opposite grooves 26 of the support rods 25 on both sides from above, and the horizontal rod 27 made of the same H-shaped steel is fitted on the groove 28 to the upper end of the wall surface material 3 The strip 6 is connected to the support 25 by welding or any other attachment means. The horizontal rod 27 closes the gap between the upper and lower wall surface materials 3, but may be omitted.

  In the illustrated example, the strip 6 is connected to the support rod 25, but may be connected to the horizontal rod 27, may be connected to the wall surface material 3, and some of the strips 6 may be connected to some of the strips 6. The strip 6 may be connected to the support 25, another strip 6 may be connected to the side wall 27, and the other strip 6 may be connected to the wall surface material 3.

  According to this embodiment, the wall surface material 3 can be easily and reliably fixed by fitting the wall surface material 3 between the supports.

The wall surface material 3 used in the embodiment has a lattice shape in which the crosspieces 1 are arranged vertically and horizontally, but may be formed in a honeycomb shape. In the wall member shown in FIGS. 4 and 5, although bars 1 which are disposed in the transverse direction is substantially a horizontal, or slightly tilted lateral bar 31 as shown in FIG. 12. In this case, as shown in the figure, a loading piece 33 having a rhombus cross section having the same cross section as the eye hole 32 formed by the crosspiece 31 is used as the loading piece. In the figure, 34 is a connecting metal fitting. As shown in the figure, the crosspiece 31 is inclined upward toward the front side, so that it is possible to prevent outflow of earth and sand on the back side. The crosspieces arranged in the lateral direction can also be formed as crosspieces 36 having an L-shaped cross section as shown in FIG. In the figure, 37 is a loading piece having a cross-sectional structure similar to that of the loading piece 15 having the flange 15a shown in FIG. 6, and 38 is a connecting fitting.

The perspective view of the wall surface material which concerns on this invention. Sectional drawing of a banking structure. The perspective view which attached the strip to the wall surface material attached to the slope of embankment. Sectional drawing which shows the connection aspect of a wall surface material and a connection metal fitting. The top view of the principal part of the wall surface material which mounted | wore with the loading piece. Sectional drawing which shows another connection aspect of a wall surface material and a connection metal fitting. Sectional drawing which shows another aspect of a loading piece. Sectional drawing which shows another aspect of a loading piece. Sectional drawing which shows another aspect of a loading piece. Sectional drawing which shows the other aspect of a loading piece. The perspective view which shows another attachment aspect of wall surface material. The partial cross section figure which shows another structural aspect of wall surface material. The partial cross section figure which shows another structural aspect of wall surface material.

1, 31, 36 .. Crosspiece 2 ... Frame 3 ... Wall material 5 ... Fill 6 ... Strip 7, 7a, 7b, 7c, 7d, 7e, 34, 38 ... Connecting metal 9, 32 ... Holes 11, 15, 17, 18, 19, 33, 37..Loading pieces 12, 21..Bolts 13, 22..Nut 25..Supports 26, 28..Groove 27..Bridge

Claims (2)

A mounting method of mounting the to wall material such a the enclosed form around a frame assembling a bar having a constant width in a grid or honeycomb pattern on the slope of the embankment, with wall material moldings, bars lattice shape Alternatively, each square or hexagonal eye hole defined by being assembled in a honeycomb shape is expanded from one side to the other side when the crosspiece has a draft angle, and the wall surface material is seen. Insert the loading piece with the connecting bracket from the connecting bracket from the side where the hole expands into the required hole of the wall material so that the side where the hole expands becomes the front side A method of attaching the wall material, comprising: a step of pressing the metal plate, a connecting metal member protruding from the wall material, and a step of connecting the strip arranged on the banking bank every time a certain amount of banking is performed by a fastening means. . A process of arranging the supports made of H-shaped steel vertically and in parallel with the slope of the embankment so that the grooves face each other, and a wall surface on the facing grooves of the adjacent supports according to claim 1, further provided wherein Rukoto the step of attaching to the timber from above is fitted into the groove on both sides of支杆
How to install the wall material .

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