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A biological retention zone for urban roads and a construction method thereof

A bioretention and road technology, applied in the direction of roads, roads, chemical instruments and methods, etc., can solve the problem of single structure, achieve the effect of preventing groundwater pollution and saving fresh water resources

Inactive Publication Date: 2018-12-21
ZHEJIANG COLLEGE OF CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the randomness and complexity of runoff water quality and water volume changes, the facilities in the existing urban road bioretention zone have a single structure, which cannot play a good role in the infiltration, stagnation, storage, purification and drainage of road rainwater.

Method used

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  • A biological retention zone for urban roads and a construction method thereof
  • A biological retention zone for urban roads and a construction method thereof
  • A biological retention zone for urban roads and a construction method thereof

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Embodiment Construction

[0038] Such as Figure 1 to Figure 3As shown, in order to solve the above technical problems, the present invention adopts the following technical solutions: a bioretention zone for urban roads, the concrete foundation 1 includes a retaining platform 3, a planting platform 4 and a supporting platform 5, and the supporting platform 5 is distributed in a ladder shape , the outer side of the support platform 5 is a water storage pebble layer 6, and the top of the water storage pebble layer 6 is provided with a block 3, and the block 3 is provided with a planting platform 4, and the planting platform 4 is provided with a landfill layer 7, and the landfill layer 7 From top to bottom, there are planting soil layer 8, sand layer 9 and gravel layer 10. The water supply and drainage system includes water storage overflow pipe 11, infiltration pipe 12, seepage pipe 13 and diversion groove 14. The diversion groove 14 is set On the block 3, the water storage overflow pipe 11 is arranged o...

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Abstract

The invention discloses a biological retention zone for urban roads, including concrete foundations and water supply and drainage systems, Concrete foundation including abutment, Planting table and support table, the outside of the supporting platform is a water-storing pebble layer, a retaining platform is arranged above the water storage pebble layer, An implant table is arrange on that shield table, A landfill lay is arranged on that plant table, The construction method of the invention comprises the following steps: (1) foundation treatment, (2) construction of concrete foundation, (3) construction of water supply and drainage system, (4) construction arrangement of planting platform, the biological retention zone has simple structure and convenient construction, can realize storing, infiltrating and utilizing rainwater runoff of urban road integrally, has landscape effect, and has short maintenance time and low economic cost in later period.

Description

technical field [0001] The invention relates to the technical field of rainwater treatment, in particular to a bioretention belt used for urban roads and a construction method thereof. Background technique [0002] As we all know, with the continuous development of the city, a large amount of pollutants accumulate in the urban rainwater runoff, which directly enters the receiving water body, which has become one of the main factors for the deterioration of the water quality of the receiving water body. The urban road area accounts for a large proportion, and the problem of road runoff pollution cannot be ignored. At the same time, the traditional road drainage method causes rainwater to quickly form surface runoff and aggravate the overflow pressure of subsequent pipelines. [0003] Bioretention zone is an emerging low-impact development in-situ runoff rainwater control facility. It has good runoff pollution control effects, runoff volume reduction results, and peak flow con...

Claims

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Application Information

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IPC IPC(8): E01C11/22E03B3/02C02F9/14
CPCC02F1/28C02F3/32C02F9/00C02F2001/007E01C11/224E03B3/02Y02A20/108
Inventor 刘俊龙
Owner ZHEJIANG COLLEGE OF CONSTR
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