Sectional installation tool and construction method for box-type socket-and-spigot joint of ultra-deep diaphragm wall

• Main Authors: LIU XIUCHENG, SHI ZHANGRI, XIA HUAN, MA CHAO, XU TAO, LUAN SHOUFU, ZHONG YONGXIN, SUN WEI, QU CHENG, JI XIAOYU, WANG TONG, CHENG MAOLIN, ZHU QIMIN, CHEN FUXIANG, RAO WEISHENG, ZHOU YANPING, HE ZUHAO, LIU JIE, FU JINLEI, DONG QIFENG
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2022
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention discloses an ultra-deep diaphragm wall box type socket and spigot joint segmented installation tool and a construction method. The installation tool comprises a lengthening tool, a temporary shelving bracket, a matched butt joint foot support and a guide type lifting lug. The lengthening tool is the extension of the box-type socket-and-spigot joint, so that the structure of the box-type socket-and-spigot joint rigidly extends above the elevation of the top surface of the guide wall of the diaphragm wall; the temporary shelving bracket is arranged on the outer side of a top opening of the box-type socket and spigot joint segment and used for temporary shelving, posture adjustment and state monitoring after the box-type socket and spigot joint segment is put down; the matched butt joint foot supports are used for achieving matched butt joint and temporary fixing of the adjacent sections of the box type socket and spigot joint. The guiding type lifting lugs are symmetrically arranged on the inner s