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Urban road drainage method for recharging groundwater

A groundwater, urban technology, applied in the direction of roads, roads, waterway systems, etc., can solve problems such as abundant rainwater waste

Active Publication Date: 2016-04-20
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Purpose of the invention: In order to solve the phenomenon that the existing road surface precipitation cannot enter the roadbed and cause a large amount of abundant rainwater to be wasted, the present invention provides an urban road drainage method for replenishing groundwater. Reinforced concrete drainage pipes are discharged outside the soil foundation work area, thus ensuring the normal use of roads and replenishing urban groundwater

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] combine figure 1 , figure 2 Explain the construction process of the urban road drainage method for replenishing groundwater.

[0016] Step 1: Lay the bottom asphalt partition layer at a suitable height outside the scope of the soil foundation work area 4

[0017] According to the light, medium and heavy traffic types of the road to be built, the bottom asphalt partition layer 4 is laid at a suitable height outside the soil foundation work area; first, the soil foundation 7 above the position where the bottom asphalt partition layer 4 needs to be laid is all excavated and leveled On the ground after excavation, the bottom asphalt partition layer 4 is laid, and the thickness of the bottom pitch partition layer 4 is 10 cm.

[0018] Step 2: Install reinforced concrete drainpipe 5

[0019] First, drill holes on the laid bottom asphalt partition layer 4 to form t...

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Abstract

The invention discloses an urban road drainage method for recharging groundwater. A bottom layer asphalt partition layer and a top layer asphalt partition layer are included, filtering water-permeable geotextile is laid on the top layer asphalt partition layer, and a total-water-pervious roadbed pavement structure is laid on the filtering water-permeable geotextile. The bottom layer asphalt partition layer and the top layer asphalt partition layer are provided with a lower water outlet and an upper water outlet respectively. A plurality of vertical reinforced concrete drainage pipes are arranged between the bottom layer asphalt partition layer and the top layer asphalt partition layer, and the two ends of each reinforced concrete drainage pipe are connected with the lower water outlet and the upper water outlet respectively. The outer surfaces of the reinforced concrete drainage pipes are coated with emulsified asphalt layers. By means of the emulsified asphalt layers, water leakage of the reinforced concrete drainage pipes is avoided. Meanwhile, it is guaranteed that the reinforced concrete drainage pipes, the bottom layer asphalt partition layer and the top layer asphalt partition layer are connected in a sealed mode. The urban road drainage method solves the problem of urban waterlogging on rainy days, urban groundwater can be recharged, and the method is particularly suitable for sponge city construction.

Description

technical field [0001] The invention relates to an urban road drainage method for replenishing groundwater, which is especially suitable for the construction of a sponge city. Firstly, the road surface precipitation covering a large area of ​​the city is collected, and then the collected rainwater is discharged underground. Background technique [0002] The traditional urban construction model is full of hardened roads. Whenever there is heavy rain, drainage is mainly relied on "grey" facilities such as pipes, canals, and pumping stations. The main planning and design concepts are "quick drainage" and "end-centralized" control, which often results in waterlogging every rain, and sudden changes in drought and flood. In order to solve this situation, according to the concept of sponge city construction, the rainwater falling on the road surface can be quickly infiltrated into the roadbed through the road surface structure, and the collected rainwater can be purified and discha...

Claims

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Application Information

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IPC IPC(8): E01F5/00E01C3/00E01C11/00E01C11/22E03F1/00
CPCE01C3/00E01C11/00E01C11/225E01F5/00E03F1/002
Inventor 黄晓明巩金芝丁珣昊刘修宇曹青青王飔奇闫天昊
Owner SOUTHEAST UNIV
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