Integrated cofferdam structure for offshore side underwater bridge foundation construction and construction method

• Main Authors: TANG QIAN, HUANG BIN, ZHAO ZHUZHU, XIA CHENG, YAO WENCHENG, WANG JUNFEI, KE LI, WAN MENG, ZHANG JIAXING, GAO ZEHUA, CHEN DAN, CHEN HAO, FU SHENGYU, LIU KANG, TU YOULIANG, LYU TAO, TANG JIANGPING, WEN JINGHUA
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; OR VIADUCTS; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention discloses an integrated cofferdam structure for near-shore side underwater bridge foundation construction, which comprises island building support piles which are of semi-enclosed structures, and the open ends of the island building support piles face a river bank; a closed space is defined by the foundation pit supporting piles and the island building supporting piles, and island building filler is filled in the closed space; the peripheral purlins are fixedly arranged on the outer side walls of the island building supporting piles, the shape of the peripheral purlins is the same as that of the island building supporting piles, first anchor piles are fixedly arranged at the two free ends of the peripheral purlins correspondingly, and the first anchor piles are fixedly arranged on a river bank; second anchor piles are fixedly arranged on the outer side walls of the sides, away from the river bank, of the peripheral purlins, and the second anchor piles are fixedly arranged in water. The invention