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A soft barrier method for slope protection and non-point source pollution control in river bank

A non-point source pollution and soft isolation zone technology, applied in the direction of coastline protection, etc., can solve the problems of soil moisture evaporation and loss, and achieve the effect of creating urban ecological landscape, enhancing stability, and preventing soil erosion

Inactive Publication Date: 2011-12-28
JINAN UNIVERSITY
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Problems solved by technology

This method is to use soft aggregate and plant roots to fix soil and slope protection, natural materials and gravel layer covering technology to solve the problem of soil water evaporation and loss, and improve plant growth performance

Method used

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  • A soft barrier method for slope protection and non-point source pollution control in river bank
  • A soft barrier method for slope protection and non-point source pollution control in river bank

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Effect test

Embodiment

[0031] At present, this technology has established a technical demonstration project in the Shuikou Main Canal of Huizhou City, and through tracking and observation, the effect is good.

[0032] 1) Vegetative effect: Bermudagrass seeds were sown in November last year. After 3 months of sowing, the bermudagrass seeds grew very well after experiencing the cold winter weather conditions. According to visual inspection, the coverage reached more than 80%, and the height of the aboveground part of the plant was 10cm. Left and right, the average length of the underground part is 7.5cm. In the control plot, only 2 species of plants were found, of which Panicum repens invaded after the completion of the project. The coverage rate of bermudagrass in the control group was about 40%, the height of the aboveground part was about 6cm, and the root system was mostly horizontal Growth, the average root length is only 3cm. After more than 4 months of construction, the plant coverage has reac...

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Abstract

The invention discloses a soft isolation zone method for slope protection at the bank zone and surface source pollution control. The method is characterized in that a soft isolation zone is arranged at the bank and mainly comprises an isolating groove and a soft aggregate ecological slope surface; the isolating groove is used for stagnating and isolating pollutants, and the ecological slope surface is used for water and soil conservation, and pollutant filtration and absorption. The method is mainly applicable to the channel bank slope with lower water content in soil, the dry and cold weather conditions can be overcome, the germination and growth of grass seeds are enhanced, a protecting slope can be greened in shorter time, and the functions for beautifying the landscapes and restoring the ecological system are obvious.

Description

technical field [0001] The present invention relates to water conservancy. In the technical field of municipal greening and environmental protection, it specifically relates to a soft isolation belt method for slope protection of river bank belts and non-point source pollution control. Background technique [0002] The riparian zone is an ecological ecotone between the river and the land, which undertakes the functions of flood discharge and scour prevention, and restricts the material and energy exchange between the river and the areas on both sides of the river, and plays a significant role in restricting or regulating the water quality of the river and the evolution of the aquatic ecosystem. River slope protection works are an important part of urban water conservancy projects. Traditional methods generally adopt simple engineering measures for slope protection, mainly including mortar or dry stone slope protection, cast-in-situ concrete slope protection, and prefabricate...

Claims

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Application Information

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IPC IPC(8): E02B3/12
Inventor 刘振乾杨扬乔永民陶然
Owner JINAN UNIVERSITY
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