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Construction method for sponge urban green land water storage system

A construction method and technology of sponge city, applied in the direction of site preparation method, waterway system, general water supply conservation, etc., can solve the problems that do not meet the requirements of sponge city construction, and achieve the effect of alleviating water resource shortage, reducing soil erosion, and low construction cost

Active Publication Date: 2017-05-31
ZHEJIANG COLLEGE OF CONSTR
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AI Technical Summary

Problems solved by technology

Whenever there is heavy rain, it mainly relies on "grey" facilities such as pipes, canals, and pump stations to drain water. The main planning and design concepts are "quick drainage" and "end-centralized" control. Rainwater is mainly drained through drainage facilities and cannot penetrate into the ground. It will cause waterlogging every time it rains, and the drought and flood will turn sharply, which does not meet the requirements of sponge city construction

Method used

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  • Construction method for sponge urban green land water storage system
  • Construction method for sponge urban green land water storage system
  • Construction method for sponge urban green land water storage system

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Embodiment Construction

[0028] Such as Figure 1 to Figure 4 Shown, be the construction method of a kind of sponge city green space water storage system of the present invention, comprise the steps:

[0029] (a) Establish the foundation pit: According to the design and construction drawings, excavate the foundation pit 1 to the design depth, and protect the wall of the foundation pit 1 to prevent the occurrence of subsidence and landslides in the foundation pit 1, so as to ensure the construction quality. Clean and level the bottom of the pit and suppress the base, lay a waterproof geomembrane on the base, and backfill a 5-8cm thick original soil protective layer on the waterproof geomembrane, compact and level, the original soil protective layer can prevent waterproof geomembrane The membrane is damaged in the later construction and plays a protective role. Ensuring the flatness and verticality of the foundation pit 1 can improve the anti-seepage effect. When laying the waterproof geomembrane, sta...

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Abstract

The invention discloses a construction method for a sponge urban green land water storage system. The construction method comprises the following steps: (a) building a foundation pit; (b) embedding an impounding reservoir; (c) putting ground water storage in place; (d) embedding a negative well; (e) paving bricks; and (f) performing greening. The construction method provided by the invention is simple in construction, low in difficulty and ordered in construction, the construction quality is easy to control, less construction equipment is involved, the construction cost is low, the infiltration effect is good, the urban drainage pressure is relieved, the amount of groundwater resources is increased, the amount of urban rainfall flood is reduced, and an urban environment is improved.

Description

technical field [0001] The invention belongs to the field of water resource utilization in sponge cities, and in particular relates to a construction method of a water storage system for green space in sponge cities. Background technique [0002] With the advancement of urbanization, the increase of ground hardening has changed the original hydrological characteristics, resulting in increased rainwater runoff, frequent water accumulation on the road surface, and frequent large-scale water accumulation in some cities. The drop in groundwater level has intensified. In addition, the problem of water shortage in my country's cities is becoming more and more serious. The resource-based water shortage in the northern region and the water quality-based water shortage in the southern region. In this environment, the government proposed the goal of building a "sponge city" and supported it in various aspects such as policy and finance. [0003] Sponge city, as the name suggests, is...

Claims

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Application Information

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IPC IPC(8): E03F5/10E02D31/02E03F5/22E03F1/00E03F5/14E03F5/00A01B79/00
CPCA01B79/00E02D31/025E03F1/002E03F5/00E03F5/10E03F5/105E03F5/14E03F5/22E03F2201/10Y02A20/20
Inventor 刘俊龙朱琪蒋学
Owner ZHEJIANG COLLEGE OF CONSTR
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