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A combined revetment with ecological habitat and its construction method

A habitat and combined technology, applied in coastline protection, flower cultivation, agriculture, etc., can solve the problems of low water purification efficiency and weak scour resistance, and achieve good water permeability, enhanced scour resistance, large habitat and scour resistance. Effects of breeding space

Active Publication Date: 2021-04-06
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems existing in the traditional bank revetment technology and the weak erosion resistance or low water purification efficiency of some current ecological bank revetment technologies, the present invention proposes a combined river channel ecological bank revetment structure and its construction method, which can be used for aquatic Living organisms provide space for habitat and reproduction, which can ensure sufficient water exchange between the river bank and the river, and can effectively absorb pollutants such as N, P, and heavy metals in the water body. good durability and applicability

Method used

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  • A combined revetment with ecological habitat and its construction method
  • A combined revetment with ecological habitat and its construction method
  • A combined revetment with ecological habitat and its construction method

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Embodiment 1

[0030] Embodiment 1 A combined bank revetment containing ecological habitats according to the present invention includes osmotic adsorption filter layer 1, sheet pile foot protection 2, gabion retaining wall 3, bottom mud ecological bag layer 4 and vegetation layer 5. The osmotic adsorption filter layer 1 is arranged at the junction of the river bank slope 6 and the river bed 7, and the osmotic adsorption filter layer 1 forms a first stepped embankment slope from bottom to top along the revetment slope surface that can be fitted with the step surface of the river channel bank slope. , the permeable adsorption filter layer 1 includes two inner and outer permeable concrete layers 11 and an adsorption filter layer 12 sandwiched between the two permeable concrete layers, the adsorption filter layer 12 is filled in the gap left between the two permeable concrete layers 11 The bottom end of the sheet pile foot protection 2 is embedded in the river bed 7 adjacent to the outer edge of ...

Embodiment 2

[0038] Embodiment 2 A kind of construction method of the combined bank revetment that contains ecological habitat, comprises the following steps:

[0039] 1) The bank slope at the junction of the river bed and the river bank slope is made into a stepped layout to form a stepped slope, in which the width of the steps is 900-1300mm, and the height of the steps is 500-600mm;

[0040] 2) Lay the first layer of 20-30mm thick permeable concrete layer on the stepped slope of the river bank slope to play a leveling role;

[0041] 3) On the basis of the first layer of permeable concrete, a layer of 50-60mm thick adsorption filter layer is laid to absorb N or P elements in and out of the water body. The adsorption filter layer is made of fine gravel, zeolite, crushed limestone and powder Composition of coal ash, the volume ratio of fine gravel, zeolite, crushed limestone and fly ash in the filter layer is 4:2:2:2;

[0042] 4) On the basis of the adsorption filter layer, lay a second la...

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Abstract

A combined revetment with ecological habitat and its construction method, including osmotic adsorption filter layer, sheet pile foot protection, gabion retaining wall, bottom mud ecological bag layer and vegetation layer, the osmotic adsorption filter layer is arranged on the river bank slope and At the junction of the river bed, the osmotic adsorption filter layer includes two layers of permeable concrete layers and the adsorption filter layer; the bottom end of the sheet pile toe guard is embedded in the river bed adjacent to the outer edge of the bottom step of the osmotic adsorption filter layer; the gabion retaining wall includes the Binger cage and support; the bottom mud ecological bag layer is composed of several bottom ecological bags; the vegetation layer is composed of a soil layer and a vegetation net; Cage retaining wall and vegetation layer, and sheet pile foot protection is embedded at the foot of the slope. The invention has the beneficial effects of ensuring sufficient exchange of water bodies, effectively absorbing pollutants such as N, P, and heavy metals in the water body, and at the same time ensuring strong anti-scouring ability, and having good durability and applicability.

Description

technical field [0001] The invention relates to a combined revetment with an ecological habitat and a construction method thereof. Background technique [0002] Ecological revetment refers to a form of revetment that uses plants or a combination of plants and geotechnical materials to protect the slope of the river. It is an artificial revetment with the nature of a natural river bank. , adjust the water level, purify the river and other functions, and form a harmonious river landscape with the surrounding environment. On the whole, ecological revetment is an improvement of traditional revetment. It is the product of the development of river control engineering to a relatively advanced stage. It is the need of modern people to live in harmony with nature. It is the inevitable result of the development and progress of revetment engineering technology. [0003] On the other hand, a large amount of silt deposited on the bottom of the river seriously affects the functions of fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/12A01G22/60A01G17/00
CPCA01G17/005A01G22/60E02B3/12
Inventor 王哲王启湘翁凯文许四法唐轶繁魏伟伟陆科颖
Owner ZHEJIANG UNIV OF TECH