KR100657182B1 - River sand carrying away protecting facility - Google Patents

Abstract

A system for preventing loss of earth in a valley of a small waterway is provided to construct the system simply regardless of geographical feature, and to prevent loss of earth and sand and erosion by assembling the system easily. A system for preventing loss of earth includes a base block(10) installed in a riverbed of a valley, a couple of auxiliary blocks(20) placed at both ends of the base block and fixed to the base block by a vertical bolt, plural tension bolts(30) spacing and connecting the base blocks and the auxiliary blocks, a gabion retaining wall(40) arranged between the blocks in assembling the base block with the auxiliary block to support earth around the river and to prevent loss of earth, and filler stone(50) charged in the riverbed between the base blocks. The gabion retaining wall has a rectangular mesh(400), rubble(410) charged in the mesh and a planting mat(420) formed in an upper part of the mesh filled with rubble for planting.

Description

River sand carrying away protecting facility

1 is an exploded perspective view showing the assembling relationship of the components of the present invention according to the present inventors small river continued soil loss prevention facility.

Figure 2 is a construction example showing a construction state according to the present invention.

<Description of Signs of Major Parts of Drawings>

10 ... basic block 20 ... secondary block

30 ... tension bolt 35 ... vertical bolt

40 gabion retaining wall 50

100,110,200,210 ... bolt hole

400 ... mesh 410 ... rubble

420 vegetation mats

The present invention relates to an earth and sand loss prevention facility, and in particular, the construction is very simple without being largely affected by the topographical conditions of the small river valley during construction, and after construction, the small river valley can effectively prevent the soil loss and scour in the small river valley. Of earth and sand loss prevention facilities.

In general, a levee is a structure built high on the boundary where rivers, lakes, and seas are separated from land for the purpose of preventing flooding by preventing water from flowing out of the lake and facilitating flowing communication.

Among them, dikes built in rivers usually cover earth and sand to form banks along the rivers, and protect the slopes by installing sheltered blocks on the slopes to prevent the collapse of the dikes by preventing spills. have.

However, in the case of small river valleys located in the valley, it is impossible to build embankments due to the topography. Because of this, landslides are often caused by scour in curve sections where the soil flows around the valleys due to the sudden flow of rainfall during the rainy season, or when the flow of rapids is switched.

In order to solve this problem, concrete retaining walls may be installed in the small river valley section where the earthquake loss and scour due to rapid flow are expected, but in this case, it is difficult to mobilize heavy equipment due to the geographic constraints of the valley and it is difficult to construct. This is impossible.

The present invention is to solve the above-mentioned problems, and as a prefabricated, the construction is very simple without being largely affected by the topographical conditions of the small river valley at the time of construction, and after construction, it will effectively prevent soil loss and scour in the small river valley. Its purpose is to provide small river sediment prevention facilities.

In order to achieve the above object, the present invention is installed in the small river valley to prevent soil loss on the small river valley or the slope surface under the influence of water flow, a plurality of bolt holes in the front and rear width direction is drilled, At both end portions thereof, a basic block having a rectangular parallelepiped shape in the left and right width directions in which bolt holes are respectively drilled in the up and down directions; The bolt hole is drilled in the up and down direction while the bolt hole is drilled in the front and rear width directions, and one side wall is mounted on the upper surface of both ends of the foundation block with an inclined surface to form a river channel. A pair of opposing auxiliary blocks fastened and fixed on the foundation block by vertical bolts passing through the bolt hole and the bolt hole of the foundation block drilled in an up and down direction at the same time; A plurality of tension bolts penetrate the bolt holes drilled in the front and rear width directions of the base block and the sub block so that the base block and the sub block are spaced apart from each other by the base block and the sub block at a predetermined distance. Wow; A gabion retaining wall disposed between the assembled block and both sides of the other assembled block in the state in which the auxiliary block is assembled on the foundation block to support soils surrounding the small rivers and to prevent soil loss; It provides a small river valley soil loss prevention facility comprising a; and the filling stone is filled on the bottom of the river between the foundation block and the other foundation block.

Preferably, the gabion retaining wall is composed of a rectangular mesh having a space provided therein, and a plurality of rubble filled in the inner space of the mesh, wherein the vegetation mat is between the rubble filled with the rubble. It is also possible to plant plants.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view showing the assembly relationship of the components of the present invention according to the small river continued soil loss prevention facility, Figure 2 is a construction example showing a construction state according to the present invention.

1 and 2, the present invention is to prevent the loss of soil on the slope or the slope of the small river valley due to the impact of the water flow is installed in a specific section of the small river valley is expected to be lost soil due to rapids, the earth and sand loss In the state in which the basic block 10, the auxiliary block 20 is fastened on the base block 10, and the auxiliary block 20 on the base block 10 are assembled on the small river floor of the expected section. Gabion retaining wall 40 disposed between both sides of the assembled block and the other assembled block and supporting the soil body, and a filling stone filled on the bottom of the river between the foundation block 10 and the other foundation block 10. And 50.

The configuration of the main part of the present invention will be described in more detail.

The basic block 10 has a rectangular parallelepiped shape in the left and right width directions, and a plurality of bolt holes 100 are drilled at equal intervals in the front and rear width directions, and bolt holes in the upper and lower directions at both ends thereof. 110 are each perforated. The base block 10 may be manufactured by curing the concrete, and may be an injection molded product made of a synthetic resin material of a different hardness.

The auxiliary block 20 has a trapezoidal hexahedron shape formed on the inclined surface 220 on one side having a front and rear width and a short left and right width compared to the base block 10, and in the front and rear width directions thereof. The bolt hole 210 is drilled in the vertical direction while the bolt hole 200 is drilled. The auxiliary block 20 is a bolt hole 110 of the base block 10 perforated in the up and down direction in a state in which a pair is mounted on both ends of the base block 10 so that the inclined surfaces 220 face each other. And it is fastened and fixed on the base block 10 by a vertical bolt 35 that passes through the bolt hole 210 of the auxiliary block 20 at the same time to form a channel through which water can flow.

As described above, the assembled block different from the assembled block in the state in which the auxiliary block 20 is assembled on the base block 10 is disposed in the front and rear width directions of the base block 10 and the auxiliary block 20. The base block 10 and the auxiliary block 20 penetrate the bored bolt holes 100 and 200 so as to be spaced apart from each other and the other base block 10 and the auxiliary block 20 adjacent thereto. It is interconnected through a plurality of tension bolts (30).

Meanwhile, the gabion retaining wall 40 is disposed between the assembled block and both sides of the other assembled block while the auxiliary block 20 is assembled on the foundation block 10 to support the soil surrounding the small river. Defend what is lost. The gabion retaining wall 40 includes a rectangular mesh 400 provided with a space therein, and has a configuration in which a plurality of rubble 410 is filled in the inner space of the mesh 400.

Preferably, a vegetation mat 420 may be further provided on the upper side of the mesh 400 filled with the rubble 410. In this case, the vegetation mat 420 on the gabion retaining wall 40 can be planted to create an environment-friendly atmosphere such as harmony with the surrounding natural landscape after construction.

Hereinafter, the assembly and construction process of the present invention made of the above configuration will be briefly described with reference to FIG. 1.

First, a plurality of foundation blocks 10 are spaced apart over a predetermined section of a small river valley where soil leakage is expected at a rapid or high water level, and a pair of auxiliary blocks 20 are vertically fixed on the foundation block 10 to face each other. Interconnect via bolts 35.

Next, as described above, the auxiliary block 20 is coupled to the base block 10 is coupled to the other base block 10 spaced apart from each other as a tension bolt (30). At this time, the gabion retaining wall 40 is disposed on both sides between the foundation block 10 to which the auxiliary block 20 is coupled and the other foundation block 10, and the tension bolt 30 penetrates the gabion retaining wall. By fastening so that the foundation block 10 and the auxiliary block 20 and the gabion retaining wall 40 can be firmly bound to each other.

Thereafter, the construction is completed by filling the filling stone 50 on the bottom of the river between the base block 10 and another base block 10 spaced therefrom.

According to the present invention assembled and constructed as described above, the earth and sand loss due to the rapids are installed in a specific section of the small river valley is expected to prevent the loss of soil on the slope or slope of the small river valley due to the flow of water. Specifically, when construction is performed in a small river valley curve section where scour is expected, scour on the valley slope / slope side due to rapid flow is effectively prevented by the gabion retaining wall. In addition, each component is organically bound to be very structurally stable. As a result, when the amount of runoff increases rapidly in the small river valley during the rainy season, while the soil loss and scour can be effectively prevented, there is little possibility of defects caused by the runoff, which significantly reduces the cost of facility maintenance and management.

As described above, according to the present inventors small river valley soil loss prevention facility, the construction is very simple without being largely affected by the topographical conditions of the small river valley at the time of construction. In addition, after construction, soil sediment and scour in small river valleys can be effectively prevented.If the flow rate increases rapidly in small river valleys during the rainy season due to solid cohesion between each component, there is little possibility of defects caused by running water. There is an effect that can significantly reduce the overall cost and time.

What has been described above is only one embodiment for carrying out the present invention, and the present invention is not limited to the above-described embodiment, and the present invention is made without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge in this field will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (2)

Installed in the small river valley to prevent soil loss on the small river valley slope or slope under the influence of water flow, Basic block having a long rectangular parallelepiped shape in the left and right width directions in which a plurality of bolt holes 100 are drilled in the front and rear width directions, and bolt holes 110 are drilled in the upper and lower directions at both ends thereof. 10); While the bolt hole 200 is bored in the front and rear width directions, the bolt hole 210 is also bored in the up and down directions, and one side thereof is provided with an inclined surface 220 to form a river channel. The base block 10 is mounted on the upper surface of both ends of the base block 10 by a vertical bolt 35 which simultaneously passes through the bolt hole 110 and the bolt hole 210 of the foundation block 10, which are drilled in the up and down directions. A pair of facing auxiliary blocks 20 fastened and fixed on the block 10; Another foundation adjacent to the foundation block 10 and the auxiliary block 20 through the bolt holes 100 and 200 bored in the front and rear width directions of the foundation block 10 and the auxiliary block 20. A plurality of tension bolts 30 connected to the block 10 and the auxiliary block 20 at a predetermined distance from each other; Gabion retaining wall is disposed between the assembled block and both sides of the other assembled block in the state in which the auxiliary block 20 is assembled on the base block 10 to support the soil around the small river and at the same time to prevent the soil from being lost ( 40); And Small river valley sediment loss prevention facility, characterized in that comprises a ;; the filling stone 50 is filled on the river bottom between the base block 10 and the other base block (10). The method of claim 1, The gabion retaining wall 40 is composed of a rectangular mesh 400 provided with a space therein, and a plurality of rubble 410 filled in the inner space of the mesh 400, the rubble 410 is Vegetation mat 420 is provided on the upper side of the filled mesh 400 is a small river continued sediment loss prevention facility, characterized in that the plants can be planted.

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