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《Chinese Journal of Underground Space and Engineering》 2006-S2
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Computing of Supporting Pressure of Working Chamber for EPB Shield Applied in Metro

HU Xin-peng~1 SUN Mou~1 LI Jian-hua~1 DONG Xin-ping~2 (1.China Railway Tunnel Group,Luoyang 400791,P.R.China) (2.Zhengzhou University,Zhengzhou 450002,P.R.China)  
Based on the EPB Shield construction of tunnel section between Xuanwumen Metro station and Nan- jing Metro station,the appropriate support pressure is studied.By means of ANSYS,the effect of support pressure of working chamber on the ground surface settlement is analyzed.The principle of the setup of support pressure in work chamber is proposed based on the practical construction experience and engineering consequence,in conjunction with the analysis results;furthermore,the practical support pressure and the measured 8round settlement are discussed,a practical method to calculate the support pressure for clay and sandy ground is presented.The conclusions are sup- pried as reference for similar engineering.
【Fund】: 中铁隧道集团资助项目
【CateGory Index】: U455.43
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1 WANG Han-peng1,GAO Yan-fa2,LI Shu-cai1(1.Geotechnical and Structure Research Center,Shandong University,Jinan 250061,P.R.China;2.School of Mechanics and Civil Engineering,China University of Mining and Technology(Beijing),Beijing 100083,P.R.China);Uniaxial Experiment Study on Mechanical Properties of Reinforced Broken Rocks Pre-and-post Grouting[J];Chinese Journal of Underground Space and Engineering;2007-01
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【Co-references】
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1 Liu Jie. Wang Yuan (Geotechnical Engineering Institute. Hohai University. Nanjing 210098);BACK ANALYSIS OF ROCK MASS RHEOLOGIC PARAMETERS BASED ON GENETIC ALGORITHM[J];Dam Observation and Geotechnical Tests;2001-06
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