Construction method for sponge city rainwater collection system

A rainwater harvesting and sponge city technology, applied in waterway systems, chemical instruments and methods, water supply devices, etc., can solve the problem of less construction equipment, and achieve the effect of less construction equipment, strong water storage capacity, and good infiltration effect

Active Publication Date: 2017-05-10
NINGBO SHUNXING LANDSCAPE CONSTR CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned technical problems existing in the prior art, and provide a construction method of a sponge city rainwater collection system, which has simple construction, low difficulty, easy control of construction quality, low construction cost, less cons

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  • Construction method for sponge city rainwater collection system
  • Construction method for sponge city rainwater collection system
  • Construction method for sponge city rainwater collection system

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Embodiment Construction

[0032] like Figure 1 to Figure 5 As shown, it is a construction method of a sponge city rainwater collection system of the present invention, comprising the following steps:

[0033] (a) Foundation pit excavation: According to the design and construction drawings, the foundation pit is excavated to the design elevation by means of excavator and manual digging, the bottom of the foundation pit is cleaned, and then the ink line is leveled, and the slope of the bottom of the foundation pit is kept at 2%. ~3%, control the verticality of the sidewall of the foundation pit to be less than 1%, and do support and protection, make a gray line mark at the bottom of the foundation pit, and delineate the construction area of ​​the water storage purification tank to ensure the flatness and verticality of the foundation pit. To prevent the occurrence of collapse and landslides in the foundation pit, so as to ensure the construction quality, the construction area is clearly divided, and the...

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Abstract

The invention discloses a construction method for a sponge city rainwater collection system. The system comprises the steps of a, excavation of foundation pit; b, base treatment; c, water purification pool building; d, water storage tank being in place; e, water seepage base course paving; f, watering and maintenance. According to the construction method for the sponge city rainwater collection system, the construction is easy, the difficulty is low, the construction quality is easy to control, the construction cost is low, the referred construction equipment is little, the permeation effect is good, the water-holding capacity is strong, collected rainwater is purified and put into secondary use, the resource utilization efficiency of the rainwater is greatly improved, waste is turned into wealth, and the problem of scanty water resources is relieved.

Description

technical field [0001] The invention belongs to the field of water resources utilization in sponge cities, and in particular relates to a construction method of a rainwater collection system in sponge cities. Background technique [0002] With the advancement of urbanization, the increase in ground hardening has changed the original hydrological characteristics, resulting in increased rainwater runoff, frequent water accumulation on roads, and frequent large-scale water accumulation in some cities. The decline of the 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 put forward the goal of building a "sponge city" and supported it in policy, finance and other aspects. [0003] Sponge city, as the name implies, is like a sponge. Dur...

Claims

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Application Information

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IPC IPC(8): E03F5/10E03F5/14
CPCE03F5/10E03F5/101E03F5/14
Inventor 吴明桦沈玫吟
Owner NINGBO SHUNXING LANDSCAPE CONSTR CO LTD
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