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A method for improving the habitat environment of hard river revetments

A kind of habitat and hard technology, applied in the fields of botanical equipment and methods, marine engineering, construction, etc., can solve the problems of less involved in the creation of river biological habitats, complicated production of ecological boxes, and inappropriate application, etc., to promote biodiversity, promote Improves and promotes rapid recovery

Inactive Publication Date: 2019-01-29
SICHUAN AGRI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ecological box is not only complicated to make, but also difficult to fix, especially not suitable for use in places with complex hydrological environments.
[0004] More importantly, existing technologies rarely involve

Method used

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  • A method for improving the habitat environment of hard river revetments
  • A method for improving the habitat environment of hard river revetments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The included angle between the original hard revetment and the river surface is 100°. The water transparency of the river where it is located is 21cm. There are basically no visible swimming fish. It is difficult to take fish samples, and it is impossible to measure the total number of fish in the water body.

[0030] The modification method is:

[0031] (1) Build a new hard mud wall on the original hard revetment, with a thickness of 5 cm;

[0032] (2) Embed several habitat devices on the revetment with a new hard mud wall. The habitat device is composed of two boards connected at an angle of 100° and a baffle between the boards. One of the boards is embedded on the revetment, and the other One plate is a horizontal plate, the horizontal plate is parallel to the river surface, and the length is 100mm; the baffle plate includes a baffle plate located at 1 / 3 of the length of the horizontal plate on the horizontal plate apart from the revetment distance and 30° to the riv...

Embodiment 2

[0041] The included angle between the original hard revetment and the river surface is 150°. The water transparency of the river where it is located is 18cm. There are basically no visible swimming fish. It is difficult to take fish samples and the total number of fish in the water body cannot be measured.

[0042] The modification method is:

[0043] (1) Build a new hard mud wall on the original hard revetment;

[0044] (2) Embed several habitat devices on the revetment with a new hard mud wall. The habitat device is composed of two boards connected at an angle of 150° and a baffle between the boards. One of the boards is embedded on the revetment, and the other One plate is a horizontal plate, the horizontal plate is parallel to the river surface, and the length is 200mm; the baffle plate includes a baffle plate located at 2 / 3 of the length of the horizontal plate from the revetment on the horizontal plate and 60° to the river surface;

[0045] (3) Add river mud, soil, ston...

Embodiment 3

[0053] The angle between the hard revetment and the river surface mentioned in the original hard revetment is 120°, and the water transparency of the river where it is located is 17cm. There are basically no visible swimming fish. It is difficult to take fish samples, and it is impossible to measure the total number of fish in the water body.

[0054] The modification method is:

[0055] (1) Build a new hard mud wall on the original hard revetment;

[0056] (2) Embed several habitat devices on the revetment with a new hard mud wall. The habitat device is composed of two boards connected at an angle of 120° and a baffle between the boards. One of the boards is embedded on the revetment, and the other One plate is a horizontal plate, and the horizontal plate is parallel to the river surface, and the length is 150 mm; the baffle plate includes a baffle plate located at 1 / 2 of the length of the horizontal plate on the horizontal plate apart from the revetment distance and is 45° w...

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Abstract

The invention provides a hard revetment renovation method for improving the habitat environment. The method comprises following steps of: (1) forging a novel hard mud wall on an original hard revetment; (2) inlaying multiple habitat devices into the revetment with the novel hard mud wall, wherein each habitat device is composed of two boards and a baffle between the two boards, the two boards are connected at the corresponding angle matching the slope of the hard revetment, one of the boards is laid in the revetment and the other board is a horizontal board and parallel to the river and is 100-200mm long, the baffle board is the one located at the position which is on the horizontal board and spaced from the revetment within the length range of 1 / 3-2 / 3 of the horizontal board and forms an included angle of 30-60 degrees with the rivet; (3) sequentially adding river mud, soil, stones and plant seedlings to the habitat devices in the step (2). The included angle between the hard revetment and the river ranges from 100 to 150 degrees. The hard revetment renovation method for improving the habitat environment can enhance biological diversity near the revetment of river so that water purification effect is exerted and the purpose of reverting to the river ecological environment is gradually fulfilled.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration, and in particular relates to a method for improving the habitat environment of a hard river revetment. Background technique [0002] At present, many scholars and designers have done a certain degree of research on the ecological transformation methods of hard river slope protection, but most of the attention is focused on softening the hard revetment, and then assisting some planting measures. [0003] For example, the Chinese patent application number 201310132601.3 discloses a method for ecological transformation of suburban hardened revetments. However, it needs to slow down the slope of the revetment, and the cost is very huge for the reconstruction of the revetment with the original steep slope. At the same time, due to the dehardening treatment of the original revetment, the original soil is exposed, which is not conducive to preventing water and soil loss in the long run. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/04A01G22/00
CPCA01G22/00E02B3/04
Inventor 李姝朱灿舒茜陈其兵孙飞达
Owner SICHUAN AGRI UNIV