Key Technologies of Ring Frame Supporting Structure of Foundation Pit of Metro Transfer Station

doi:10.3973/j.issn.2096-4498.2019.S1.040

Tunnel Construction ›› 2019, Vol. 39 ›› Issue (S1): 296-302.DOI: 10.3973/j.issn.2096-4498.2019.S1.040

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Key Technologies of Ring Frame Supporting Structure of Foundation Pit of Metro Transfer Station

YANG Dechun¹, YANG Luhan²

(1.Guangzhou Metro Design & Research Institute Co., Ltd., Guangzhou 510010, Guangdong, China; 2. South China Agricultural University, Guangzhou 510462, Guangdong, China)

Received:2018-07-04 Online:2019-08-30 Published:2019-09-12

Abstract

Abstract:

The design and construction risk are very important to foundation pit supporting of metro transfer station. Hence, the characteristics of foundation pit of metro transfer station are analyzed, the plane outline of first floor of foundation pit is optimized, and the circular ring frame beam supporting system is adopted. The system adopted is characterized by easy control, low dismantling risk, simple construction sequence, etc. The system is applied to Tianhe Park Station on Guangzhou Metro No. 21 and Cultural Park Station on Nantong Metro to verify its practicability. The results can provide reference for similar projects in the future.

Key words: foundation pit of metro transfer station, circular ring frame beam support, retaining structure, key technology

CLC Number:

U 45

YANG Dechun, YANG Luhan. Key Technologies of Ring Frame Supporting Structure of Foundation Pit of Metro Transfer Station[J]. Tunnel Construction, 2019, 39(S1): 296-302.

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Key Technologies of Ring Frame Supporting Structure of Foundation Pit of Metro Transfer Station

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