A Sponge City Ecological Square Rainwater Utilization Structure with Enhanced Water Storage

A sponge city and ecological technology, applied in the direction of drainage structures, applications, waterway systems, etc., can solve the problems that the sponge concept has not been fully realized, and the utilization of rainwater resources has not been fully utilized, so as to improve the utilization rate of rainwater, improve the urban greening rate, Use the effect of effect boost

Active Publication Date: 2019-08-23
CHINA FIRST METALLURGICAL GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This has not fully realized the concept of sponge, and the utilization of rainwater resources has not been fully utilized

Method used

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  • A Sponge City Ecological Square Rainwater Utilization Structure with Enhanced Water Storage
  • A Sponge City Ecological Square Rainwater Utilization Structure with Enhanced Water Storage
  • A Sponge City Ecological Square Rainwater Utilization Structure with Enhanced Water Storage

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

[0022] Such as Figure 1~3 , a sponge city ecological square rainwater utilization structure that enhances water storage, is arranged between the square 1 and the motorway 2, and the subgrade filling of the square 1 is composed of a permeable surface layer 1.1, a permeable concrete layer 1.2, and Graded crushed stone layer 1.3, compacted plain soil layer 1.4, the subgrade filling of the motorway 2 is road asphalt layer 2.1, road concrete layer 2.2 and compacted plain soil layer 1.4 from top to bottom, and the graded crushed stone layer A waterproof geotextile 1.5 is provided between the layer 1.3 and the rammed plain soil layer 1.4, and between the road concrete layer 2.2 and the rammed plain soil layer 1.4.

[0023] It includes an ecological isolation pier 3 and a water storage tank 4. The ecological isolation pier 3 is set on a permeable...

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Abstract

The invention discloses a rainwater utilization structure with enhancing water-storing for a sponge city ecological square. The rainwater utilization structure is arranged between the square and a motor vehicle way. Filled soil subgrade of the square is a water permeable surface layer, a water permeable concrete layer, a graded crushed rock layer and a punning pure soil layer in sequence from top to bottom. Filled soil subgrade of the motor vehicle way is a road asphalt layer, a road concrete layer and a punning pure soil layer in sequence from top to bottom and comprises an ecological isolating mound, and a water-storing tank. The ecological isolating mound is arranged on the permeable concrete layer, the top part of the ecological isolating mound is exposed to air, and the bottom of the ecological isolating mound communicates with the graded crushed rock layer. The ecological isolating mound is internally provided with planting soil and a water-absorbing strip for plant growth. The water-storing tank is arranged on the punning pure soil layer. One end of the water-absorbing strip is arranged in the planting soil, and the other end of the water-absorbing strip is arranged in the water-storing tank. The rainwater utilization structure has the advantages such as construction is convenient, the rainwater utilization structure is energy-saving and environmentally friendly, the rainwater utilization rate and the urban landscaping rate are improved, the cost is low, and the maintenance is simple.

Description

technical field [0001] The invention relates to the technical field of environmental protection urban construction, in particular to a rainwater utilization structure of a sponge city ecological square with enhanced water storage. Background technique [0002] Sponge city is a new concept of urban construction proposed by the state. The Ministry of Housing and Urban-Rural Development requires that by 2020, more than 20% of the urban built-up area will meet the target requirements, and by 2030, more than 80% of the area will meet the target requirements. It can be seen from this that the country urgently needs to improve the living environment of residents and the urban water environment. The sponge city requires the city to have the functions of infiltration, stagnation, storage, purification, utilization and drainage when it rains. The proportion of square pavement in the whole city is about 30%. There are problems of runoff pollution and waste of water resources caused by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C11/22E03F5/10A01G27/06
Inventor 陈晓伟鲁文博杨德志谭斌
Owner CHINA FIRST METALLURGICAL GROUP
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