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Geotextile material composite ecological riverbank protection structure and construction method thereof

A technology of ecological revetment and geotechnical materials, applied in infrastructure engineering, excavation, coastline protection, etc., can solve the problem of difficulty in ensuring the integrity and protective effect of vegetation cover, interruption of connectivity between bank slope soil and water, and vegetation on the surface of ecological bags Low survival rate and other problems, achieve good consolidation effect, effective slope consolidation and erosion resistance, and ensure the effect of integrity

Pending Publication Date: 2017-08-29
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, it has the following disadvantages: 1. The root system of turf grows on the surface of the slope, and the overall anti-skid performance of the slope depends entirely on the gravity of the ecological bag itself; 2. Limited by the surface pores of the multi-layer ecological bag, the slope soil Interruption of connectivity with the water body has a certain degree of impact on the connectivity of the slope habitat; 3. The vegetation on the surface of the actual ecological bag usually has a low survival rate, and it is difficult to ensure the integrity and protective effect of the vegetation cover

Method used

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  • Geotextile material composite ecological riverbank protection structure and construction method thereof

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Embodiment 1

[0029] Such as figure 1 As shown, a kind of geotechnical material composite ecological revetment structure of the present embodiment, it comprises foot protection structure 4, is located at the multi-layer ecological bag layer 2 above described foot protection structure 4, and is used to fix described ecological bag layer 2 The fixed structure; wherein, the multi-layer ecological bag layer 2 is laid in staggered layers to form a slope angle; there are several biological branches 3 arranged at intervals between two adjacent layers of the ecological bag layer 2 .

[0030] In this embodiment, the grass species in the ecological bag of the ecological bag layer 2 and the biological branches 3 placed in two adjacent ecological bag layers 2 form a multi-species and multi-level composite vegetation structure. On the one hand The biological branches 3 can be firmly rooted in the slope soil 1 to improve the overall anti-skid performance of the geotechnical material composite ecological ...

Embodiment 2

[0039] As a convertible implementation, the difference between this embodiment and Embodiment 1 is that when the original bank slope is a gentle slope, the foot protection structure 4 is selected as a riprap foot protection, and the riprap The natural slope of the riprap foot protection is 1:1.5-1:2.0, and the thickness of the riprap foot protection is greater than 0.5m; wherein, the riprap particle size of the riprap foot protection can be adjusted according to the flow velocity and the slope. It is estimated that when laid, the ecological bags of the ecological bag layer 2 form a flat bag structure.

Embodiment 3

[0041] On the basis of embodiments 1 and 2, this embodiment further provides a manufacturing method for embodiment 1 or embodiment 2, which includes the following steps:

[0042] S1, trimming the slope soil 1 to be protected;

[0043] S2. Set the foot protection structure 4 at the bottom of the slope soil body 1,

[0044] S3. After the ecological bag is filled with the mixture, it is turned over to form a flat bag, and then it is laid layer by layer from bottom to top. After one layer of ecological bag layer 2 is laid, place biological branches 3 at intervals on the ecological bag layer 2, and then start a new process. Laying of one layer of ecological bag layer 2;

[0045] S4. After laying the ecological bag layer 2 at the top, fix the ecological bag layer 2 with a fixing structure.

[0046] When this embodiment is used in the construction of a geotechnical material composite ecological revetment structure described in Embodiment 1, when step S2 is implemented, the anti-fil...

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Abstract

The invention discloses a geotextile material composite ecological riverbank protection structure, the geotextile material composite ecological riverbank protection structure comprises a foot protection, a plurality of ecological bag layers and a fixing structure, wherein the ecological bag layers are arranged above the foot protection structure, and the fixing structure is used for fixing the ecological bag layers. A slope angle is formed by a split level laying of the ecological bag layers. A plurality of biological branches arranged at interval are arranged between the two nearby ecological bag layers. A multi-species multi-layered compound type vegetation structure is formed by grass seeds in each ecological bag of each ecological bag layer and the biological branches which are placed between the two nearby ecological bag layers. On one hand, the biological branches can fixedly take roots into slope soil body for improving the whole anti-slide performance of the geotextile material composite ecological riverbank protection structure and the connectivity of the slope soil body, and on the other hand, the survival rate of the vegetation on the surface of the slope soil body is improved, and integrality and protection function of a vegetation cover layer is protected; multi-species multi-layered compound type vegetation can be created in slope of the riverbank, multi-layered consolidation function of compound vegetation root system in the slop soil body of riverbank is completely utilized.

Description

technical field [0001] The present invention relates to the field of ecological slope protection, in particular to a geotechnical material composite ecological revetment structure and a manufacturing method of the geotechnical material composite ecological revetment structure. Background technique [0002] Ecological slope protection is a slope protection technology that integrates the basic knowledge of engineering mechanics, soil science, ecology and botany to support slopes or side slopes and form a comprehensive slope protection system composed of plants or engineering and plants. After the slope is excavated, plants are planted, and the interaction between plants and rock and soil (root anchorage) is used to protect and reinforce the surface of the slope, so that it can not only meet the requirements for the stability of the slope surface, but also restore The slope protection method for the destroyed natural ecological environment is an effective means of slope protect...

Claims

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Application Information

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IPC IPC(8): E02B3/12E02D17/20A01G9/10
CPCA01G9/0291A01G9/0293A01G9/0295E02B3/12E02D17/20Y02A10/11
Inventor 赵进勇王琦张晶董哲仁彭文启王宏涛
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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