Water collecting, catchment and drainage treatment system for road crossing water environment sensitive zone

A technology for drainage treatment and water environment, applied in waterway systems, roads, roads, etc., can solve problems such as the need for ecological protection of water environment, extensive design and management methods, etc., to ensure water ecological environment, ensure balance, Guaranteed safe effect

Active Publication Date: 2019-03-26
苏交科华东(浙江)工程设计有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a water collection, catchment and drainage treatment system for roads passing through sensitive areas of the water environment. It has the advantages of minimizing the adverse impact of rainwater and sewage on the water source protection area, and solves the problem that the existing road drainage system adopts extensive design and management methods, which cannot meet the needs of water environment ecological protection.

Method used

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  • Water collecting, catchment and drainage treatment system for road crossing water environment sensitive zone
  • Water collecting, catchment and drainage treatment system for road crossing water environment sensitive zone
  • Water collecting, catchment and drainage treatment system for road crossing water environment sensitive zone

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Embodiment

[0133] (1) Design principles of subgrade and pavement drainage

[0134] For subgrade drainage design, the maximum rainfall intensity of any 15 minutes within the 15-year return period is used for flow calculation.

[0135] Pavement drainage design shall be calculated according to the maximum runoff velocity of any continuous 15 minutes within the 5-year return period.

[0136] On the basis of fully investigating the water system and drainage and irrigation system along the line, the overall drainage design of the subgrade and road surface is carried out in combination with the route, so as to form a unified and complete drainage system (see attached figure 1 ).

[0137] (2) Subgrade drainage design in non-reservoir areas

[0138] The subgrade drainage mainly depends on the side ditch outside the slope toe of the subgrade, or utilizes drainage culverts and other facilities, so that the subgrade water can be smoothly discharged into nearby rivers. When the side ditch of the s...

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Abstract

The invention relates to the technical field of road construction for a drinking water source protection zone, and discloses a water collecting, catchment and drainage treatment system for a road crossing a water environment sensitive zone. The system includes the following design steps: the step S1 of non-reservoir zone roadbed drainage design; the step S2 of non-reservoir zone pavement drainagedesign; the step S3 of reservoir zone roadbed drainage design; the step S4 of reservoir zone pavement drainage design; the step S5 of central separator drainage design; the step S6 of central side trench drainage design; the step S7 of pavement internal drainage design. The water collecting, catchment and drainage treatment system for the road crossing the water environment sensitive zone conductscollection, catchment, treatment and drainage of rainwater generated on roads, bridges and tunnels, minimizes the adverse impact of the rainwater on the water source protection zone, and ensures thesafety of water resources in the drinking water source protection zone.

Description

technical field [0001] The invention relates to the technical field of road construction in drinking water source protection areas, in particular to a water collection, water catchment and drainage treatment system for roads passing through water environment sensitive areas. Background technique [0002] According to the Regulations on the Prevention and Control of Pollution in Drinking Water Source Protection Areas ((89) Huanguanzi No. 201), drinking water source protection areas are divided into primary protection areas and secondary protection areas. protected area. New construction and expansion of construction projects unrelated to water supply facilities and water source protection are prohibited in the first-level protection zone of drinking water sources; new construction and expansion of construction projects that discharge pollutants into water bodies are not allowed in the second-level protection zone, and the pollutant discharge must be reduced in reconstruction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F1/00E03F5/04E01C3/00G06F17/50
CPCE01C3/00E03F1/00E03F5/0401G06F30/13
Inventor 杜海伟罗杰慧汪仲卿黄军董显桥乔奇
Owner 苏交科华东(浙江)工程设计有限公司
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