JP3727313B2 - Fixing method of pressure receiving structure - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a method for fixing a pressure receiving structure that is fixed to a slope with an anchor bolt for stabilization of the slope.
[0002]
[Prior art]
In recent years, a block made of precast concrete has been used as a pressure-receiving structure that receives the load on the slope to stabilize the slope, and the pressure-receiving structure is inserted into an anchor bolt fixed to the ground of the slope, and a nut is placed on the protruding end of the anchor bolt. In order to reduce the weight, a method using a pressure receiving plate made of glass fiber reinforced urethane foam (FFU) is also known.
[0003]
In addition to the slope stabilization method, there are also known a construction method in which a concrete frame is constructed by placing concrete on the slope, and a construction method in which a concrete block produced in the factory is installed on the slope to construct a concrete frame.
[0004]
[Problems to be solved by the invention]
In the construction method in which the frame is set on the slope, it is possible to vegetate within the frame and to plant trees. However, the method of constructing the frame by placing concrete on the slope is the formwork on the slope. It is necessary to assemble steel bars, assemble reinforcing bars, and cast concrete, which makes the work complicated and poor in work efficiency, especially in the case of steep slopes. The method of installing the concrete block on the slope has better work efficiency than the above method, but requires considerable effort to assemble and fix the concrete block on the slope.
[0005]
On the other hand, the pressure-receiving structure can be fixed simply by attaching it to a single anchor bolt and tightening a nut screwed into its protruding end. However, the slope with the pressure-receiving structure is difficult to view.
An object of this invention is to provide the fixing method of the pressure receiving structure which can be vegetated and can improve a landscape by greening.
[0006]
According to the first aspect of the present invention, a pressure receiving structure made of a vertical beam and a horizontal beam is inserted into an anchor bolt fixed to a sloped ground, and a lattice-shaped pressure receiving structure is inserted. In the fixing method of the pressure receiving structure in which the plate is inserted and stacked, and then the nut is screwed into the protruding end of the anchor bolt protruding from the press plate and fixed, the pressure receiving structure is composed of a plurality of pressure receiving structures, Each pressure receiving structure is composed of vertical bars and horizontal bars having the same shape and the same size, and the presser plate is provided with a leg having the same cross section as the above grid, and a plurality of the pressure receiving structures are stacked. It is characterized by passing through the grid of objects. [0007]
According to the present invention, the orientation and position of each pressure receiving structure is regulated by inserting the legs, and the cells of each pressure receiving structure are aligned. In the present invention, there may be one leg protruding from the presser plate , but preferably a plurality of legs are inserted at a plurality of locations. This ensures that the meshes of the pressure receiving structures are aligned.
[0008]
The invention according to claim 2 is characterized in that in the invention according to claim 1, a shape steel combined with a cross or a cross is used instead of the presser plate.
According to the present invention, in addition to the effects similar to those of the invention described in claim 1, since the shape steel has a large rigidity, a concentrated load is applied by an anchor bolt, and the pressure receiving structure can be formed even if the concentrated load is large. It can be pressed firmly and evenly.
[0009]
The invention according to claim 3 is the invention according to claim 1 or 2, characterized in that each pressure receiving structure has a different size of the mesh, and a plurality of legs, each having a cross section of a size smaller than the minimum size. .
Even if the pressure receiving structure is different in size of the mesh, each pressure receiving structure can form a mesh that penetrates vertically by inserting a plurality of legs.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
In FIG. 1, the three pressure-receiving structures 1, 2 and 3 having different sizes from large, medium and small are all made of FRP, have a lattice shape composed of vertical bars and horizontal bars, and the meshes are the same size. And in order to let the anchor bolt mentioned later pass in the center part, the vertical beam and the horizontal beam are cut into a cross.
[0011]
At the time of fixing, as shown in FIG. 2, anchor bolts 5 are fixed to the slope ground 4, and the pressure receiving structures 1, 2 and 3 are arranged in the projecting portion in order from the largest size and inserted in the excision portion. Further, a presser plate 6 is inserted thereon, and a cap nut 7 at a bolt protruding end is screwed in to fasten the pressure receiving structures 1, 2, and 3 to be fixed to the slope.
[0012]
According to the pressure receiving structure of the present embodiment, each pressure receiving structure is made of FRP and has a lattice shape so that it is lightweight and easy to carry. In addition, one pressure receiving structure is attached to one anchor bolt during construction. Inserting one, finally inserting the presser plate, and screwing the cap nut into the bolt protruding end, the mounting work is performed, the work efficiency is improved, and the entire pressure receiving structure can be subjected to earth and sand load. Being able to be installed stably even if there are some irregularities on the slope due to the grid shape, the pressure receiving structure can be firmly fixed by providing the presser plate, vegetation through the grid pressure receiving structure It has the effect of being able to improve the landscape by greening.
[0013]
FIG. 3 shows the vegetated pressure-receiving structures 1, 2, and 3. In FIG.
In the above embodiment, the pressure receiving structures 1, 2 and 3 are different in size, but in another embodiment, the same size is used.
In the above embodiment, a press plate is used to press the pressure receiving structure, but in another embodiment, a shape steel is used.
FIG. 4 shows an example in which the pressure receiving structure 11 is pressed by combining H-shaped steel with a cloth.
[0014]
FIG. 5 is a cross-sectional view of the pressure receiving structures 1, 2, 3 having the same shape and the same size as the grid of the grid made up of the vertical and horizontal bars of the pressure receiving structure at the four corners of the holding plate 12. The example which protruded the leg 13 which makes the same thickness is shown.
According to the present embodiment, by inserting the legs 13 into the pressure receiving structures 1, 2, and 3, the meshes of the pressure receiving structures are aligned.
[0015]
【The invention's effect】
According to the first to third aspects of the invention, the cells of the plurality of pressure receiving structures can be aligned, and in the first aspect of the invention, the cells are the same as the cells of the plurality of pressure receiving structures. The displacement of the pressure receiving structures can be prevented by passing the legs.
[0016]
Furthermore, in the shape steel of the invention according to claim 2, since the rigidity is large, when tightening with the anchor bolt, the pressure receiving structure can be strongly pressed down with a uniform pressing force in the entire shape steel.
[Brief description of the drawings]
FIG. 1 is a perspective view of a pressure receiving structure according to the present invention.
FIG. 2 is a view showing a state where the pressure receiving structure shown in FIG. 1 is fixed to a slope.
FIG. 3 is an enlarged cross-sectional view of a main part of a vegetated pressure-receiving structure.
FIG. 4 is a perspective view showing an example in which a pressure receiving structure is pressed with an H-section steel combined with a cloth.
FIG. 5 is a perspective view of a presser plate with legs for pressing a pressure receiving structure.
[Explanation of symbols]
1, 2, 3, 11 ... Pressure receiving structure 4 ... Ground 5 ... Anchor bolt 6, 12 ... Presser plate 7 ... Cap nut 9 ... Weed

Claims (3)

An anchor that consists of a vertical beam and a horizontal beam on an anchor bolt fixed on the slope ground, inserts a pressure-receiving structure in the form of a lattice, inserts and holds a presser plate on it, and then protrudes from the presser plate In a fixing method of a pressure receiving structure in which a nut is screwed and fixed to a protruding end of a bolt, the pressure receiving structure is composed of a pressure receiving structure in which a plurality of pressure receiving structures are stacked, and each pressure receiving structure is constituted by a vertical beam and a horizontal beam. The pressure receiving structure is characterized in that the mesh has the same shape and the same size, and the presser plate is provided with a leg having the same cross section as the above mesh, and passes through the mesh of the pressure receiving structure in which a plurality of the legs are stacked. Fixing method. 2. The method for fixing a pressure receiving structure according to claim 1, wherein a shape steel combined with a cross or a cross is used instead of the presser plate. 3. The pressure receiving structure fixing method according to claim 2, wherein each pressure receiving structure has a mesh size different from each other, and has a plurality of legs each having a cross section having a size equal to or smaller than the minimum size mesh.

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