Research on Construction Technology for SmallRadius
Curved PipeCurtain Mined
Metro Stations

LI Yang; CHENG Peng; LI Peng; WANG Ning; LUO Changming; BI Chengcheng

doi:10.3973/j.issn.2096-4498.2022.07.009

Tunnel Construction >

2022 , Vol. 42 >Issue 7: 1207 - 1218

DOI: https://doi.org/10.3973/j.issn.2096-4498.2022.07.009

Research on Construction Technology for SmallRadius Curved PipeCurtain Mined Metro Stations

LI Yang ,
CHENG Peng ,
LI Peng ,
WANG Ning ,
LUO Changming ,
BI Chengcheng

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(Underground Space Research and Design Institute, China Railway Engineering Equipment Group Co., Ltd., Zhengzhou 450016, Henan, China)

Online published: 2022-08-04

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Abstract

To investigate the key construction technologies of curved pipecurtain mined metro stations, theoretical calculation, numerical simulation, and field test methods are employed to study the design and construction of these stations. The conclusions drawn are as follows: (1) The calculation formula of the jacking force in the construction process of the curved pipe curtain is obtained, and the jacking force range required for the curved pipecurtain equipment is calculated. (2) Attitude and axis control measures are proposed. (3) The influence law of curved pipecurtain construction of the metro stations on the surrounding environment is obtained. (4) The rationality and applicability of the launching device, guiding device, and jack force calculation of the curved pipe curtain are demonstrated.

Key words： curved pipe curtain; mined metro station; maximum jacking force; deviation correction system; attitude control

Cite this article

LI Yang , CHENG Peng , LI Peng , WANG Ning , LUO Changming , BI Chengcheng . Research on Construction Technology for SmallRadius Curved PipeCurtain Mined Metro Stations[J]. Tunnel Construction, 2022 , 42(7) : 1207 -1218 . DOI: 10.3973/j.issn.2096-4498.2022.07.009

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