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Bridge rain water collection system

A rainwater collection and bridge technology, applied in waterway systems, bridges, bridge parts, etc., can solve the problems of low cross-section flow capacity, difficult installation and fixation of pipes, and water accumulation at the foot of the bridge, so as to reduce the runoff of the bridge deck and enhance the flow rate of the bridge. The effect of improving the flow capacity and improving the collection rate

Inactive Publication Date: 2016-01-06
GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One is to use the openings on the bridge deck or fence structures on both sides of the bridge as rainwater outlets, connect the connecting pipes to the hanging pipes on both sides of the bridge, and finally transfer them to the onshore drainage system. This system uses hanging pipes to collect, hanging pipes The diameter increases with the increase of the amount of collected rainwater, which is difficult to install and fix, and affects the overall aesthetic effect of the bridge; There are problems such as low cross-section flow capacity, occupation of other professional pipeline laying space, and difficulty in dredging and maintenance; another way is that for bridges with short distances across rivers, the bridge does not consider setting up rainwater collection facilities, and the rainwater flows along the bridge deck to both banks. The rainwater outlet near the foot of the bridge on the shore collects and enters the drainage system on the shore. This method is likely to cause water accumulation at the foot of the bridge

Method used

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Examples

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Embodiment 1

[0023] like figure 1 and 2 As shown, the bridge rainwater collection system is set on the cross-river bridge. The cross-river bridge includes a bridge body 13 and piers 11. There are sidewalks 10 on both sides of the bridge deck of the bridge body 13, and a roadway 12 between the sidewalks 10 on both sides. The outside of sidewalk 10 is provided with fence 7, and fence 7 is positioned at the edge of bridge body 13 bridge deck both sides.

[0024] The bridge rainwater collection system includes a rainwater outlet 1, a diversion groove 2, a U-shaped drainage groove 3, and a downpipe 4.

[0025] A support column 9 is arranged below the sidewalk 10, and the sidewalk 10 is laid on the support column 9, so that a hollow space is formed below the sidewalk 10. Side stones 6 are provided on the side of the sidewalk 10 corresponding to the roadway 12 , and a plurality of rainwater outlets 1 are provided on the side stones 6 . The section of gullies 1 is rectangular, and the opening w...

Embodiment 2

[0033] like Figure 4 As shown, the difference between this embodiment and the bridge rainwater collection system of Embodiment 1 is that in this embodiment, the retaining weir 8 forming the drainage channel 2 is an L-shaped member, and one side of the L-shaped member is pre-buried on the bridge deck The other side protrudes from the bridge deck, and the rainwater can be diverted along the side of the L-shaped member protruding from the bridge deck to the water outlet of the diversion groove. Other structures are the same as in Embodiment 1.

Embodiment 3

[0035] like Figure 5 As shown, when there are no sidewalks on both sides of the bridge deck across the river, the rainwater outlet 1 of the rainwater collection system is arranged at the bottom of the fence 7, the grid 5 is arranged in the rainwater outlet 1, and the diversion groove 2 passes through the bottom of the fence 7. Other structures are the same as in Embodiment 1.

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Abstract

The invention discloses a bridge rain water collection system and relates to a technical field of bridge deck drainage structures. The bridge rain water collection system comprises diversion trenches formed in the bridge floor and a drainage groove formed below the diversion trenches. The arrangement directions of the diversion trenches intersect with the longitudinal direction of the bridge floor, the diversion trenches are provided with water outlets, and the water outlets of the diversion trenches are connected with the drainage groove. By means of the bridge rain water collection system, the bridge floor rain water collection rate can be raised, the bridge floor runoff volume is effectively reduced, and water accumulation at the joint of an approach bridge and the ground is avoided; meanwhile the situation that rainwater on the bridge floor of the section across a river flows into rivers and pollutes the rivers can be avoided.

Description

technical field [0001] The invention relates to a bridge deck drainage structure, in particular to a bridge deck rainwater collection system. Background technique [0002] In general, rainwater from bridges can be directly discharged into rivers through bridge decks or openings in fence structures on both sides of bridges; however, for river sections within the scope of water source protection zones, rainwater from bridge decks across rivers cannot be directly discharged into rivers, and rainwater must pass through certain The measures are collected and discharged into the onshore rainwater system. At present, there are deficiencies in several rainwater collection methods commonly used in engineering. One is to use the openings on the bridge deck or fence structures on both sides of the bridge as rainwater outlets, connect the connecting pipes to the hanging pipes on both sides of the bridge, and finally transfer them to the onshore drainage system. This system uses hanging...

Claims

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Application Information

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IPC IPC(8): E01D19/08E03B3/02E03F1/00
CPCY02A20/108
Inventor 宁平华唐明裴欧键灵凌晨陆永帆梁小聪郭钰瑜李新春
Owner GUANGZHOU MUNICIPAL ENG DESIGN & RES INST CO LTD