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Scouring resisting improvement revamping system used for river-and-lake boundary water-level fluctuation zone and laying method

An ebb and flow zone and anti-scour technology, applied in the fields of botanical equipment and methods, horticulture, container cultivation, etc., can solve the problem that the diversity of plant growth in the ebb and flow zone is not considered, and it cannot adapt to the large-scale changes in the amphibious growth environment for a long time. , low plant survival rate, etc., to achieve the effects of soil erosion control, strong resistance to water erosion, and high survival rate

Inactive Publication Date: 2019-01-25
上海靓固生态环境科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The selection and configuration of plants uses a single water-tolerant herb, without considering the diversity of plant growth in the water-fluctuation zone, the plant survival rate is low, and it cannot adapt to large changes in the amphibious growth environment for a long time

Method used

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  • Scouring resisting improvement revamping system used for river-and-lake boundary water-level fluctuation zone and laying method

Examples

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Effect test

Embodiment 1

[0023] An anti-scour reconstruction system for the ebb and flow zone at the boundary of rivers and lakes, the system includes a slope body, on which a 3D soil-fixing mesh pad is laid, and a flat-bottomed 3D soil-fixing mesh pad is laid above the constant water level of the slope body 1. Lay a filled 3D soil-fixing mesh pad 3 below the normal water level of the slope body, and set grooves 6 at the top and foot of the slope body. The depth and width of the grooves are both 400mm. The two ends of the soil mesh pads are put into the grooves respectively, and then the mesh pads and the soil layer are fixed with steel nails 4. The two adjacent 3D soil-fixing mesh pads are laid in a lap joint, and the width of the lap joint is 250mm, and the overlapping method is that the upstream 3D soil-fixing mesh pad along the water flow direction is pressed on the downstream 3D soil-fixing mesh pad, and the overlapping parts of two adjacent 3D soil-fixing mesh pads are fixed with steel nails 4, a...

Embodiment 2

[0025] A laying method for an anti-scour reconstruction system for a river-lake boundary ebb and flow zone, comprising the following steps: 1. Repairing the slope, and for the river-lake boundary ebb and flow zone that needs to be repaired, choose to clear the current slope during the low water level period Rocks with large particle size, plant roots and other garbage should be filled in the low-lying areas. After the slope is cut, 300mm of cultivated soil can be backfilled and compacted according to the actual soil quality, so as to facilitate the planting and growth of plants. The slope foundation covered by the soil-fixing mat must be stable; 2. Groove: at the top and foot of the slope on the river bank, respectively open a groove with a depth and width of not less than 300mm; 3. After finishing the slope surface, you can pre-bury the vegetation rhizomes or sow the vegetation seeds suitable for local growth. The recommended seed density is not less than 30g / m 2, and then la...

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Abstract

The invention discloses a scouring resisting improvement revamping system used for a river-and-lake boundary water-level fluctuation zone and a laying method. The system comprises a slope surface body, 3D soil reinforcement net cushions are laid on the slope surface body, the 3D soil reinforcement net cushions comprises a flat bottom type 3D soil reinforcement net cushion and a filling 3D soil reinforcement net cushion, the flat bottom type 3D soil reinforcement net cushion is laid above a normal water level of the slope surface body, the filling type 3D soil reinforcement net cushion is laidbelow the normal water level, grooves are formed in the slope top and slope bottom of the slope surface body and used for fixing the 3D soil reinforcement net cushions, the 3D soil reinforcement net cushions are fixed to the slope surface body through steel nails, and plants are arranged on the 3D soil reinforcement net cushions. After the system is laid, the river-and-lake boundary water-level fluctuation zone has certain water body scouring resisting capability and functions of soil reinforcement, shore protection and landscape greening repairing, and water loss and soil erosion can be effectively prevented and treated.

Description

technical field [0001] The invention relates to the technical field of ecological comprehensive management engineering, in particular to an anti-scour reconstruction system and laying method for the ebb and flow zone at the boundary of rivers and lakes. Background technique [0002] The water-fluctuation zone at the boundary of rivers and lakes plays a certain role in intercepting and filtering the pollution from the reservoir bank, especially the agricultural non-point source pollution. A considerable part of the nitrogen and phosphorus carried by the surface runoff is digested and absorbed by the vegetation to prevent it from entering the water body of the reservoir area. After the formation of the hydrofluctuation zone, these functions will basically be lost, and more pollutants will enter the water body, leading to an increasing degree of eutrophication in the reservoir area. After the water level of the reservoir drops in summer, various pollutants deposited in the rive...

Claims

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Application Information

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IPC IPC(8): A01G9/033
CPCA01G9/033
Inventor 李谦
Owner 上海靓固生态环境科技股份有限公司
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