Chapter
Jul 21, 2016
Earth Pressure in a Head Chamber and Grouting Issues for EPB Tunneling in Soft Ground: A Case Study in Tianjin Area
Publication: Geo-China 2016
Abstract
Based on a shield tunneling project using earth pressure balance (EPB) construction method in Tianjin, China, this paper builds a database of real monitored data which includes ground surface settlement at different phases of tunneling, chamber earth pressure, grouting pressure and volumes as well as excess pitch information. A model to determine the earth pressure in head chamber to maintain the face stability is proposed and verified with monitored data. Moreover, grouting volumes are analyzed and compared with different considerations.
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Information
Published In
Geo-China 2016
Pages: 117 - 124
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Jul 21, 2016
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Authors
Affiliations
Jianjun Zhou
Deputy Director, State Key Laboratory of Shield Machine and Boring Technology, Zhengzhou, China.
Professor, Dept. of Geotechnical Engineering, Southwest Jiaotong Univ., Chengdu, China. E-mail: [email protected]
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