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Design for drainage of bridge bottom

A technology of drainage holes and drainage walls, applied in drainage structures, water supply devices, waterway systems, etc., can solve problems such as blockage of sewer pipes and urban waterlogging, and achieve the effect of reducing the risk of blockage

Inactive Publication Date: 2012-02-22
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nowadays, many drainage outlets are relatively large, and sediment, sundries, etc. are easy to enter. Some incompetent sanitation workers also sweep garbage into the sewer pipes, often causing blockage of sewer pipes and causing urban waterlogging

Method used

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  • Design for drainage of bridge bottom
  • Design for drainage of bridge bottom
  • Design for drainage of bridge bottom

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0009] specific implementation plan

[0010] The rainwater enters the bottom of the bridge, and the rainwater enters the sand settling area from the water inlet hole (2) of the drainage area (3) of the drainage cover (1). 2) Designed to be 2mm in diameter.

[0011] In order to enhance the effect of sand settling, a partition (5) is added at regular distances in the sand settling area (6). It is recommended that the height of the sand settling area is 1m, the spacing between the partitions is 2m, and the height of the partitions is 0.5m.

[0012] The water after sedimentation is discharged into the drainage channel (8) from the drainage hole (9) of the drainage wall (7). The diameter of the drainage hole is 2mm.

[0013] There is a certain distance between the drainage hole (9) and the bottom. The recommended height is 0.3m. The height of the clapboard (5) is relatively short. When one sedimentation area is full or the rainwater is heavy, the water can overflow the clapboard...

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Abstract

The invention relates to a design for drainage of a bridge bottom. Rainwater enters into the bridge bottom and then enters into a sand deposition region from a water inlet hole (2) in a drain region (3) of a drain cover (1), and the diameter of the water inlet hole (2) is designed to be 2mm in order to reduce sundries such as leaves, branches, plastics and the like entering into the sand deposition region. Partition plates (5) are additionally arranged in the sand deposition region (6) at a certain interval in order to enhance the sand deposition effect. The height of the sand deposition region is proposed to be 1m, the distance between every two partition plates is proposed to be 2m, and the height of each partition plate is 0.5m. Water subjected to sand deposition is drained out of a drain hole (9) of a drain wall (7). The diameter of the drain hole is 2mm. The drain hole (9) has a certain distance from the bottom and has the proposed height of 0.3m, the heights of the partition plates (5) are smaller, after one sand deposition region is full of water or when the rainwater is heavy, water can overflow the partition plates (5) to enter into the next sand deposition region so thatthe sand deposition effect is improved.

Description

technical field [0001] The invention relates to urban drainage engineering, in particular to the drainage at the bottom of arc-shaped bridges. Background technique [0002] Nowadays, many drainage outlets are relatively large, and sediment, sundries, etc. are easy to enter. Some incompetent sanitation workers also sweep garbage into the sewer pipes, often causing blockage of the sewer pipes and causing urban waterlogging. Contents of the invention [0003] In order to overcome the easy blockage of the drainage pipe, the present invention pre-treats the substances entering the drainage pipe. [0004] The technical scheme adopted by the present invention to solve the technical problem is: design a relatively small water inlet hole so that large debris cannot enter the drainage pipe; Things are greatly reduced. [0005] The beneficial effect of the invention is that large sundries do not enter the drainage pipe and part of the sediment is deposited, and the risk of blockage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F3/00E03F5/06E03F5/14
Inventor 胡再国
Owner SICHUAN UNIV