JP3382582B2 - Slope stabilization method - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inclined slope facing a highway or various facilities constructed by an open cut method or a steep slope having a risk of collapse. Slope stabilization method. 2. Description of the Related Art If a slope is left as it is, rocks will collapse or rocks and topsoil will be washed away by running water such as rainwater. Therefore, the slope must be stabilized by a slope stabilization method. I have. [0003] As the above-mentioned slope stabilization method, a wire rope crossing vertically and horizontally or diagonally is stretched on a slope, and a wire mesh is laid on the stretched wire rope. At this time, an anchor pin is driven into the slope, and only the wire rope is locked to the slope (the wire mesh is locked to the wire rope via a spiral stopper) or the wire mesh is stopped together with the wire rope. [0005] A spraying material is sprayed on the slope so that the wire mesh is buried. [0006] The above-mentioned spraying materials include a base material, a growing base material and a soil, in which plant seeds and fertilizers are mixed in addition to the mortar, and are selected and used according to the purpose. [0007] As a prior art for stopping the flow of the spraying material below the wire net of such a construction method, Japanese Patent Application Laid-Open No. 63-78923 is known.
And Japanese Unexamined Utility Model Publication No. 6-1441. [0008] In the former, each anchor blade protrudes downward from a horizontally long blade plate to drive each blade plate against a slope. [0009] Then, at the upper end of the anchor shaft slightly projecting upward from the upper edge of the blade plate, the crossing of the reinforcing bars arranged vertically and horizontally is received, mortar is poured on the crossing, and then a wire mesh is laid. A greening base material is sprayed on it. According to such a method, the blade plate with the anchor shaft stops the mortar from flowing before the wire mesh is laid, and the blade plate cannot be used after the wire mesh is laid. In the latter, a wire mesh is laid on the slope, and a stopper pin is driven into the slope to stop the stopper plate on the wire mesh, and the wire mesh is buried so that each of the stopper plates is buried. Spray the soil on. According to such a method, the flow of the soil over the wire mesh (front side) is stopped by the stopper plate.
It is impossible to stop the flow of guest soil under (under) the wire mesh. In any case, before the wire mesh is laid, or after the wire mesh is laid, it is installed above the wire mesh. [0014] Then, wire mesh 2 on the slope 1 as shown in FIG. 3
(There may be a number of wire ropes crossing vertically or horizontally or diagonally below the wire mesh 2), and then spraying a blowing material 3 according to the purpose so that the wire mesh 2 is buried. If there is a recess 4 due to the surface irregularities of the slope 1 (due to the unevenness of the rocks, etc.), the spraying material 3 in the recess 4 flows downward due to a slope that is steeper than the slope of the slope 1, and is hollowed out by flowing down. such as unfilled part of and spray material is generated. In the prior art, it was not possible to install a downflow stopper from above the wire mesh into the recess after the wire mesh was stretched. Accordingly, an object of the present invention is to provide a slope stabilization method in which after the wire mesh is laid, the spraying material in the recess existing on the slope is stopped from flowing down, so that inconvenience due to the flowing down is eliminated. [0017] In order to solve the above-mentioned problems, the present invention provides a method of attaching a wire mesh to a slope such as a slope, and then attaching the wire mesh to a recess existing on the slope. a mesh, constituted by the falling stop member arranged in a comb teeth shape, and a connecting portion for connecting the upper end mutual each falling stop member and Ke set <br/> above Symbol flow under stopper member and the mesh engagement hooks while piercing the falling stop members of the flow under stop are, after locking the said hook to said wire mesh, adopting slope stability method, characterized in that the wire mesh is blown Coatings as buried. Embodiments of the present invention will be described with reference to the accompanying drawings. The falling stopper A of Coatings used in the implementation form of the invention, as shown in FIGS. 1 and 2, slope stability Engineering large number of comb teeth to pierce mesh one or more books of wire mesh Downflow stopping members 11 arranged in a row, and each of the downflow stopping members 11
And a connecting portion 12 for connecting the upper ends of the two. The above-mentioned flow stop member 11 and connecting portion 12
In the case shown in FIG. 1, a large number of rods such as wires for the downflow stopper member 11 are arranged, and the upper end of the rod is overlapped with one horizontal rod for the connecting portion 12, and this overlapping portion is fixed by spot welding. I have . Further, the upper edge of the above-mentioned downflow stopper A (the connecting portion 1)
2) is provided with a hook 41 which is engaged with a wire mesh.
You. The hook 41 described above is used to
The upper end extension of the member 11 is bent in an L-shape.
Hooks 41 are intermittently attached to the falling stopper A by welding or the like.
It may be attached. Next, a slope stabilization method using the downflow stopper A configured as described above will be described. As shown in FIG. 2 , when the wire mesh C is laid on the slope B of the slope stabilization work, the portion of the recess D caused by the unevenness of the rock or the undulation of the slope B is in a tension state. The facing distance between a certain wire mesh C and the slope B becomes extremely large in the portion of the recess D. Therefore, the tip of the flow-stopping member 11 faces the bottom of the recess D while piercing the flow-stopping member 11 of the flow-stopping member A from above into the mesh of the wire net C in the recess D. At this time, the connecting portion 12 is brought into contact with the wire net C. Since the distance from the wire netting C to the bottom of the recess D is different, the length of each downflow stopper 11 is adjusted by cutting or bending using a tool according to the distance. Needless to say, the horizontally-long falling stopper A is used after being cut into a predetermined length. Further , the downflow stopper 11 is meshed with the wire mesh C.
At the same time as piercing, the hook 41 is engaged with the mesh to stop the flow
Tool A is set, and the hook 41 is engaged with the mesh.
The flow stopper A is supported stably and stably. The spraying material E such as a mortar or a mixed base material of greening seeds is sprayed on the wire netting C. At this time, the flow-down (flow downward) of the spraying material E that has flowed into the recess D is prevented by the flow-stopping member 11, so that the blowing material E is hollowed in the recess D or from the upper portion in the recess D. unfilled portion for generating with the stream of downward also not occur. Of course, the engagement between the mesh and the hook 41
The falling stopper A is stably supported by the wire net C. In addition, as shown by the chain line in FIG.
A is provided with a guide tube 31 and inserted through the guide tube 31
When the anchor pin 32 is driven into the slope B,
To more stably support the downflow stopper A against the wire mesh C
Can be. [0032] Incidentally, the lower side of the wire mesh C of implementation form, prior to pasting of the wire mesh C, there is also (not shown) thereby tensioning the wire rope crossing horizontally and vertically and diagonally as well known, also slope B In some cases, only the wire rope or the wire rope and the wire mesh are supported by driving an anchor pin, or the wire mesh may be supported on the wire rope by using a wire or a spiral wire. [0033] As is evident from the foregoing description, according to the slope stability method of the present invention, engaging with barbs to pick a falling stopper member in a recess present in the slope after sticking the wire mesh, a hook mesh wire mesh
Because if you set the falling stopper in the stream of spray material in the recess to effectively stop the flow down stop member, it is possible to eliminate the unfilled portion of the spray material by hollowing and falling within the recess,
The hook is used to stably support the downflow stopper against the wire mesh.
There is no tilt of the downflow stopper due to the spray material . Also, the flow of the spray material on the upper side (surface side) of the wire mesh (downflow) is prevented by the stopper. Further, the downflow stopper is stably supported on the wire net by the hook, and there is no tilt due to the spray material.

Plan view and FIG. 3 is a longitudinal side view of a conventional example showing a perspective view Figure 2 construction falling stopper for use in the implementation form of BRIEF DESCRIPTION OF THE DRAWINGS [Figure 1] This invention Description of Reference Numerals] Reference Signs List A Falling stopper B Slope C Wire mesh D Concavity E Spraying material 11 Falling stopper member 12 Connecting part 41 Hook

Claims (1)

(57) [Claims 1] After a wire mesh is attached to a slope such as a slope, a flow-stopping member arranged in a comb-like shape in a mesh of the wire mesh in a concave portion existing on the slope. When, the falling stop members of the connecting portion and the under flow in the upper Symbol flow under stopper member are constituted by a set <br/> Ke reticulated engaging hook fastener for connecting the upper end mutual each falling stop member The hook is locked to the wire mesh while piercing the wire mesh, and then a blowing material is sprayed so that the wire mesh is buried.