Three-layer step ecological functional belt structure for river channel project

Abstract

The invention discloses a three-layer step ecological functional belt structure for a river channel project. The three-layer step ecological functional belt structure comprises a three-layer step ecological functional belt; the three-layer step ecological functional belt is composed of a bottom aquatic plant layer, a middle shore lead and a top levee crown road layer; the aquatic plant layer is connected with the shore lead by use of a 0.8-1.2m high vertical wall built with ecological geo-bags; the shore lead is connected with the levee crown road layer by use of ecological interlocking bricks and a turf slope at the gradient of 1: 2 or 1: 3. The three-layer step ecological functional belt structure for the river channel project has the advantages that the renovated river channel is capable of meeting the flood drainage requirement of the surrounding region of the river channel, and also capable of forming a sightseeing leisure shore belt, and due to the great tank storage difference of different water surface elevations, the water surface ratio is increased, the problem of contradiction of flood storage in the surrounding region of the river channel and land acquisition can be solved favorably, the overall slope of the river channel is gentled and the river channel slope can be kept stable.

Description

technical field [0001] The invention relates to the field of river section structure design, in particular to a three-layer cascade ecological function zone structure used in river engineering. Background technique [0002] In the existing channel section structure, masonry masonry or concrete retaining wall structure or trapezoidal section structure with a single slope is mostly used. It is strong, but it has strict requirements for foundation treatment, and foundation treatment and foot protection treatment are often required. The investment in construction and installation is large, and the surface of the project is blunt and lacks aesthetic feeling, so it cannot provide people with a hydrophilic site near the water; the trapezoid with a single slope The section structure requires relatively less land occupation, but the engineering structure is single and lacks aesthetic feeling, so it cannot provide people with a hydrophilic site near the water; therefore, the tradition...

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Problems solved by technology

[0002] In the existing channel section structure, masonry masonry or concrete retaining wall structure or trapezoidal section structure with a single slope is mostly used. It is strong, but it has strict requirements for foundation treatment, and foundation treatment and foot protection treatment are often required. The investment in construction and installation is large, and the surface of the project is blunt and lacks aesthetic feeling, so it cannot provide people with a hydrophilic site near the water; the trapezoid with a single slope The section structure requires relatively less land occupation, but the engineering structure is single and lacks aesthetic feeling, so it cannot provide people with a hydrophilic site near the water; therefore, the traditional river section has the following shortcomings: 1. The foundation treatment is difficult and the investment is high; 2. The landscape effect is poor and not ecological; 3. It is not suitable for people to move on the bank slope, and the accessibility of tourists is poor; 4. Due to the deep water at the bank, the safety is poor

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