Construction method of live branch frame type plane source retaining purified ecological revetment

A technology of ecological bank revetment and construction method, applied in the direction of coastline protection, etc., can solve problems such as damage, limited pollution, and destruction of biodiversity

Inactive Publication Date: 2010-05-12
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These structures have good effects on maintaining bank slope stability, preventing soil erosion and ensuring flood control safety, but they also have adverse effects on the bank slope's ecology, environment and landscape to varying degrees: their hard materials and closed structures damage the river channel The land-water ecotone zone has caused the loss of coastal biological habitats, making it difficult for animals and plants to survive and reproduce here, seriously destroying biodiversity, causing a serious decline in the self-purification capacity of the river water body, making it difficult to remove pollutants entering the river in the form of non-point sources, and Its smooth and monotonous appearance seriously affects the landscape effect of the river channel
[0005] Ecological slope protection is currently the most

Method used

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  • Construction method of live branch frame type plane source retaining purified ecological revetment
  • Construction method of live branch frame type plane source retaining purified ecological revetment
  • Construction method of live branch frame type plane source retaining purified ecological revetment

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 1 , 2 As shown, the willow twigs are tied into a live branch bundle 1, and will be connected vertically and horizontally with iron wires 2 to form a live branch sash layer 3. Lay stones 9 at the angle between the slope surface of the river bank and the river bed, lay the live branch frame layer 3 on the river slope 6 along the block stone, fix it with stakes 5, and place the live branch frame layer 3 on the river slope 6 Lay on the live branch layer 7; lay the live branch frame layer 3 on the live branch layer 7, and lay filler in the live branch layer 7, the particle size of the stone is about 30cm; the area of ​​the unit frame 4 in the live branch frame layer is 1m 2 , The filler 8 is pebbles with a particle size of 5 cm.

[0019] The construction period and the vegetation seedling period of the area source interception and purification ecological revetment in the form of living branches and frames should be selected during the period when the river f...

Embodiment 2～6

[0022] A method for constructing an area source interception and purification type ecological bank revetment in a living branch frame format, the materials used, the size and the area are shown in Table 2, and the others are the same as in Embodiment 1.

[0023] See each material, size and area used in Table 2 Examples 2 to 6

[0024] Example

[0025] Example

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Abstract

The invention relates to a construction method of a live branch frame type plane source retaining purified ecological revetment. The method comprises the following steps of: paving rock stones on an included angle position of a riverbank slope surface and a riverbed; bundling epicormic branches of willows, clethraceae and black poplars into live branch bunches; since the live branch bunches form a live branch frame, paving the live branch frame on the riverbank slope surface along the block stones, paving live branch layers and live branch frame layers in a staggered way layer by layer on the live branch frame layers; and paving filling in the top most layer of frame. The invention aims to solve the problems that a natural slope protection way has poor stability, hard slope protection causes adverse effects on the ecology, the environment and the landscape of a revetment, and the ecological slope protection landscape is excessively single and too high in cost. The revetment is completely constructed by natural materials, builds a fine riverbank biological habitat environment and ensures the stability of the revetment; in addition, beautiful natural landscapes are formed on a riverbank revetment, and a plant-gravel-microorganism system formed on the revetment has better retaining and purifying effects on pollutants entering into a river channel in a plane source way.

Description

technical field [0001] The invention relates to an ecological river bank revetment construction technology, in particular to an ecological bank revetment construction method in a living branch frame format area source interception and purification type applied to slope river bank slopes. Background technique [0002] Before the present invention, existing river bank revetment technology has natural type revetment, hard revetment and ecological type revetment. [0003] Natural slope protection uses plants with well-developed root systems and plants them on the slope of the river to protect the river bank, meet the needs of the ecological environment, and maintain the natural landscape effect. However, this natural slope protection method has the disadvantage of poor stability. It is easy to be washed by rainwater to form deep ditches and cause soil erosion. The interception and purification effect of pollutants is limited. [0004] The hard slope protection uses mortar or d...

Claims

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Application Information

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IPC IPC(8): E02B3/12
Inventor 王超侯俊王沛芳钱进
Owner HOHAI UNIV
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