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A technology for ecological restoration of embankment planting in Taihu Lake

A technology of ecological restoration and embankment, which is applied in the water environment basin of rivers and Taihu Lake, can solve the problems of ecological and environmental degradation, damage to water and air cycle, ecological imbalance, etc., and restore the original ecological scenery, maintain clarity and good ecology. Effect

Active Publication Date: 2016-09-21
JIANGSU LONG LEAPING ENG DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the use of hard revetment can effectively revetment and prevent soil erosion, but the hardened revetment makes the ecological effect of the riparian zone extremely reduced, which not only blocks the mutual replenishment of surface water and groundwater, damages the healthy water-air cycle, but also destroys The ecological environment has been damaged, animals and plants have lost their living and habitat places, biodiversity has been reduced, and the aquatic biological chain has been cut off, resulting in ecological imbalance, which has also seriously caused the deterioration of ecology and environment, and at the same time formed pollutants. The interception and purification capacity decreased, resulting in a significant reduction in the self-purification capacity of lake and river water
Therefore, the above two traditional embankment design techniques not only destroy the natural ecological landscape of lakes and rivers, but also damage the healthy structure and function of lakes and rivers ecosystems, and also destroy the ecological environment around Taihu Lake or river channels, thus bringing the water body of Taihu Lake and Deterioration of the terrestrial ecological environment

Method used

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  • A technology for ecological restoration of embankment planting in Taihu Lake

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] At a distance of 5 meters from the lake shore, cast-in-place piles are constructed with immersed tubes. The diameter of the piles is 45cm, and round piles with steel cages (reinforcement Φ1.5cm) are installed inside. The nails were drilled 180cm deep into the soil, and then a hoisting ship was used to throw large blocks of yellowstone around the double-row pile nails. The plane of the piled stones was 30cm above the water surface.

[0023] On the stacked stone plane, lay the mixed materials of lake and river bottom mud, land soil, and construction waste in a weight ratio of 40%: 30%: 30% respectively, and carry out compaction. The compaction thickness of the mixed matrix is ​​80cm, and the upper An isosceles trapezoidal ecological embankment with a bottom width of 3 meters and a bottom width of 5 meters.

[0024] Cover the two sides of the ecological embankment with a layer of 10cm cultivated soil, and plant green grasses and trees to beautify the environment. Artificia...

Embodiment 2

[0027] At a distance of 4 meters from the lake shore, the cast-in-place piles are constructed with immersed pipes. The diameter of the piles is 35cm, and the steel cage (reinforcement Φ1.5cm) is installed inside the pointed-bottomed round piles. The nails were drilled 150cm deep into the soil, and then a hoisting ship was used to throw large blocks of yellowstone around the double-row pile nails. The plane of the piled stones was 30cm above the water surface.

[0028] On the stacked stone plane, lay the mixed materials of lake and river bottom mud, land soil and construction waste in the weight ratio of 40%: 25%: 35% respectively and carry out compaction. The thickness of the mixed matrix compaction is 80cm, and the upper An isosceles trapezoidal ecological embankment with a bottom width of 3 meters and a bottom width of 5 meters.

[0029] Cover the two sides of the ecological embankment with a layer of 10cm cultivated soil, and plant green grasses to beautify the environment....

Embodiment 3

[0032]At a distance of 3 meters from the lake shore, the cast-in-place piles are constructed with immersed pipes. The diameter of the piles is 30cm, and the steel cage (reinforcement Φ1.5cm) is set inside the pointed-bottomed round piles. The nails go deep into the soil 100cm, and then a hoisting boat is used to throw large blocks of yellowstone around the double-row pile nails, and the plane of the accumulated stones is 30cm above the water surface.

[0033] On the stacked stone plane, lay the mixed materials of lake and river bottom mud, land soil and construction waste in the weight ratio of 40%: 35%: 25% respectively and carry out compaction. The thickness of the mixed matrix compaction is 80cm, and the upper An isosceles trapezoidal ecological embankment with a bottom width of 3 meters and a bottom width of 5 meters.

[0034] Cover the two sides of the ecological embankment with a layer of 10cm of cultivated soil, and plant green plants to beautify the environment. Artifi...

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Abstract

Provided is a novel Taihu Lake bank planting ecological restoration technology. According to the novel Taihu Lake bank planting ecological restoration technology, soil and stone are used for conducting layered tamping, tube-sinking cast-in pile anchoring is conducted, and a trapezoid ecological bank is constructed; green flowers and plants for beautifying the environment are planted on the two sides of an ecological bank strip, the middle of the ecological bank is paved with stone blocks to form a walking gallery, emergent aquatic plants, floating-leaved plants and submerged plants are planted on the inner periphery and the outer periphery of the ecological bank, a beautiful scenery line is formed, soil and stone layered tamping is mainly adopted for the ecological bank, the ecological bank is constructed on the edge of the lake bank in a piling mode, green grass and trees for beautifying the environment are planted on the ecological bank and the two sides of the bank, and a structure and function complete ecological system is constructed. The novel Taihu Lake bank planting ecological restoration technology has the various advantages that the ecological feature, the water permeability, the impact resistance, the wave resistance and the like are good, the scouring of water flow to the lake bank is relieved, and the stability of the lake bank is also enhanced; meanwhile, by means of the various planted plants, wind waves are relived, the bottom mud is fixed and maintained, nutritional ingredients of nitrogen and phosphorus in a water body are absorbed, the water transparency is obviously improved, the function of water purification is achieved, and the original ecological scene of the water surface of the Taihu Lake is restored.

Description

technical field [0001] The invention mainly relates to water environment basins of Taihu Lake and rivers, and belongs to the technical field of Taihu Lake or river ecological engineering. Specifically, it is aimed at environmental protection such as bottom protection and slope protection, planting and ecological restoration of Taihu Lake and river embankments. Its purpose is to further improve the ecological environment of Taihu Lake and rivers, and provide a new type of Taihu Lake embankment planting ecological restoration process. Background technique [0002] At present, in the Taihu Lake and river basins of our country, the traditional revetment design structures of lakes (rivers) generally only consider the functions of flood control, water diversion, drainage, water storage and shipping of rivers, and seldom consider the ecological environment of lakes (rivers). Therefore, the slope protection form of general lakes (rivers) adopts natural revetment or hard revetment. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/08E02D5/40C02F3/32
CPCC02F3/327E02B3/08E02D5/40Y02W10/10
Inventor 潘龙马振杰王永君李健李勇吴勇周春雷沈志宇蒋佳俊王伟钱鑫朱浩徐建卓祖白玉徐伟荣
Owner JIANGSU LONG LEAPING ENG DESIGN
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