Case Study on Transverse Ground Surface Settlement of Land Section of Shiziyang Tunnel Bored by Shield

YANG Yandong; CHEN Kui; LI Fengyuan; ZHOU Jianjun

doi:10.3973/j.issn.1672-741X.2014.12.005

Tunnel Construction >

2014 , Vol. 34 >Issue 12: 1143 - 1147

DOI: https://doi.org/10.3973/j.issn.1672-741X.2014.12.005

Case Study on Transverse Ground Surface Settlement of Land Section of Shiziyang Tunnel Bored by Shield

YANG Yandong ,
CHEN Kui ,
LI Fengyuan ,
ZHOU Jianjun

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(1 State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou 450001, Henan, China; 2 China Railway Tunnel Group Co, Ltd, Luoyang 471009, Henan, China)

Received date: 2014-07-29

Revised date: 2014-09-09

Online published: 2014-12-17

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Abstract

In this paper, the transverse ground surface settlement of DIK42+660 crosssection of land section of Shiziyang tunnel induced by shield boring is calculated by means of Peck formula The ground is numerically simulated by means of ANSYS finite element model, and the transverse ground surface settlement values are obtained from the numerical simulation results The transverse ground surface settlement values obtained by means of theoretical analysis and numerical simulation respectively are estimated by means of comparing them with the measured values The paper can provide reference for the prediction of ground surface settlement of shieldbored tunnel of similar projects in the future

Key words： shieldbored tunnel; ground surface settlement; theoretical analysis; numerical simulation; field validation

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YANG Yandong , CHEN Kui , LI Fengyuan , ZHOU Jianjun . Case Study on Transverse Ground Surface Settlement of Land Section of Shiziyang Tunnel Bored by Shield[J]. Tunnel Construction, 2014 , 34(12) : 1143 -1147 . DOI: 10.3973/j.issn.1672-741X.2014.12.005

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