Construction structure for semi-reverse construction method of large-diameter shield tunnel starting well

• Main Authors: LI BING, CHEN XIANFENG, XIA YIMIN, XIAO JING, CHEN XINGFEI, HUANG AIMIN, LIN LAIKUANG, ZHANG WEI, ZHENG LIYONG, ZHAO ZHANGWEI
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a construction structure for a semi-reverse construction method of a large-diameter shield tunnel originating well. The construction structure comprises an underground connecting vertical wall, the annular frame beams are formed on the inner side of the underground connecting vertical wall, the annular frame beams are vertically arranged at intervals, pouring gates are formed in the annular frame beams, the annular frame beams comprise outer beams and inner beams, the upper surfaces and the lower surfaces of the outer beams protrude out of the upper surfaces and the lower surfaces of the inner beams correspondingly so that exposed positioning faces can be formed on the inner sides of the outer beams, the upper ends of the pouring gates extend to the upper surfaces of the inner beams, and the lower ends of the pouring gates extend to the lower surfaces of the outer beams; the template is clamped between the upper and lower adjacent inner beams, and the outer side surfaces of the upp