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Sponge green land suitable for mountain topography and building method of sponge greenbelt

A green space and terrain technology, applied in the field of sponge green space construction in mountainous cities, can solve problems such as waterlogging disasters, high flood risks, and ecosystems vulnerable to flood damage, and achieve the effect of strong penetration and large water retention

Inactive Publication Date: 2017-06-13
CHONGQING UNIV
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Problems solved by technology

[0005] The object of the present invention is to provide a kind of sponge green space suitable for mountainous terrain, which combines the complex slope terrain of mountainous terrain, constructs sponge green spaces with different soil layer structures for different slopes, and fills up the gaps in the construction of sponge cities in mountainous cities in the prior art. Solved the technical problems of high flood risk in mountainous cities, waterlogging disasters in local low-lying areas, and ecosystems vulnerable to flood damage

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Embodiment Construction

[0037] In order to make the technical means, creative features, goals and functions achieved by the present invention clearer and easier to understand, the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments:

[0038] As a preferred embodiment of the present invention, please refer to the attached figure 1 with attached figure 2 :

[0039] Including 3°-8° gentle slope green space or 8°-15° steep slope green space, of which:

[0040] The land with a gentle slope of 3°-8° has the following soil structure built sequentially from the center of the earth to the surface, such as figure 1 :

[0041] The first gravel layer 10, the thickness of the first gravel layer is 250mm-300mm, and the first perforated drainage pipe 11 is laid laterally along the slope in the first gravel layer;

[0042] The first coarse sand layer 12, the thickness of the first coarse sand layer is 200mm;

[0043] The first planting soil ...

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Abstract

The invention provides a sponge green land suitable for mountain topography and a building method of the sponge greenbelt. Different soil layer structures are built according to different gradients of the mountain topography, the different soil layer structures are built for 3 degree-8 degree slopes and 8 degree-15 degree slopes, water drainage pipe nets are distributed, the 3 degree-8 degree slopes are integrally reconstructed into 6 degree stepped slope sections, energy dissipation trenches are arranged in the 8 degree-15 degree slopes, and fixed energy dissipation trenches are arranged in the energy dissipation trenches. The sponge green land conforms to the mountain landform characteristics, the slopes have the functions of rapid infiltration, rainwater purification, runoff buffering and water and soil conservation, safety factors are taken into consideration on the design of the slopes, by arranging the energy dissipation fixing piles, the kinetic energy generated after rainwater forms runoff can be weakened, the speed of the runoff is reduced, a part of runoff volume is reduced, construction layers can also be fixed, and safety guarantees are provided for the slopes when the slopes perform the sponge function.

Description

technical field [0001] The invention relates to the technical field of sponge green space construction in mountainous cities, in particular to a sponge green space suitable for mountain terrain and a construction method thereof. Background technique [0002] At present, there is no construction method of sponge green land in the mountainous environment, and the construction of mountain sponge green land can only be carried out by referring to the "Technical Guidelines for Sponge City Construction". It cannot effectively guide the construction of sponge green land in mountainous environments, and for mountains with different slopes, whether a large number of sponge facilities in sponge cities can be directly used for construction can only be constructed while groping, and the operability is not strong. [0003] Most of the existing sponge city construction methods are used in plains and basin cities to solve the urban waterlogging problem. Common green space sponge facilities...

Claims

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Application Information

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IPC IPC(8): E02D17/20E02B11/00E03F5/00
CPCE02B11/005E02D17/20E03F5/00
Inventor 赵万民李云燕朱猛裴沛然
Owner CHONGQING UNIV
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