Foundation pit prestress ring frame beam supporting structure

• Main Authors: ZHAO PING, YANG CHENXIANG, MENG XIAOWEI, JING YUNPING, CHEN XIN, JIANG QIANGFU, LIU HONG, YANG XUEBIN, LU HANYIN, FANG HONGBO, FU RUNHANG, DONG ZEYU, SUN QINGJIE, YE LIN
• Format: Patent
• Language: Chinese; English
• Published: 21.06.2024
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model relates to a foundation pit prestress ring frame beam supporting structure, and belongs to the technical field of underground engineering foundation pit supporting. The supporting structure comprises a concrete ring frame beam, and the periphery of the concrete ring frame beam is fixedly connected with foundation pit supporting piles on the periphery in a foundation pit; the middle part of each frame of the concrete ring frame beam is fixedly connected with a widening table; at least one corrugated pipe is reserved in the widening table, and a steel strand tensioning groove and an anchoring end are arranged at the two ends of the widening table respectively. A bundle of prestressed steel strands penetrates through each corrugated pipe; one end of the prestressed steel strand is connected with one anchoring end, and the other end of the prestressed steel strand is arranged in one steel strand tensioning groove. The concrete ring frame beam adopts the widening platform to widen the abdomen, th