BRIDGE DECK DRAIN PIPE DEVICE FOR BRIDGE AND CONSTRUCTION METHOD

WIPO Patent Application WO/2020/232981

A1

The present invention provides a bridge deck water drain pipe device for a bridge and a construction method. According to the bridge deck water drain pipe device for the bridge, a waterproof layer I, a lower asphalt concrete layer, and a surface asphalt concrete layer are sequentially paved on a bridge deck of the bridge from bottom to top; the bridge deck water drain pipe device for the bridge comprises a water drain pipe reserved hole, a water drain pipe, and a water drain pipe tray, wherein the water drain pipe reserved hole runs through the bridge, the water drain pipe is provided in the water drain pipe reserved hole, and a grouting space is reserved between the water drain pipe reserved hole and the water drain pipe; the water drain pipe tray is sleeved outside the water drain pipe, and the water drain pipe tray is in contact with the bottom of the bridge. The bridge deck water drain pipe device for the bridge can drain ponding, has a good waterproof effect, and prolongs the service life of the surface asphalt concrete layer.

ZHANG GUANGQIAO (CN)
LIU DONGMEI (CN)
KONG XIANGBO (CN)
ZHAO YAN (CN)
WANG XIAOLONG (CN)
YANG RONGQUAN (CN)
FAN XIAOBIN (CN)
WANG KAI (CN)

PCT/CN2019/115009

November 26, 2020

November 01, 2019

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SHANDONG LUQIAO GROUP CO LTD (CN)

E01D19/12; E01D19/08; E01D21/00

CN110042753A	2019-07-23
CN210031504U	2020-02-07
CN103122606A	2013-05-29
CN203559346U	2014-04-23
CN208733462U	2019-04-12
CN105040584A	2015-11-11
JP2001152415A	2001-06-05

JINAN SPRINGS PATENT&TRADEMARK OFFICE (CN)

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