Analytical Solution for the External Stress Acting on the Lining in a Deep-Buried Circular TBM Tunnel Considering the Seepage Field


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详细

Based on the elastic theory and the seepage flow theory, a new analytical solution with consideration of the seepage force is proposed to determine the external stress on the lining of a circular TBM tunnel. According to this solution, the relationships between the permeability coefficient of rock masses and the maximum allowable drainage flow are studied. The influence of the controlled drainage flow and the elastic modulus of surrounding rocks on the external stress is discussed. Moreover, in order to validate the results obtained from the elastic analytical solution developed in this paper, a comparison between the results obtained from the solution considering the seepage force and that without consideration of the seepage force is performed.

作者简介

Q. Yan

Key Laboratory of Transportation Tunnel Engineering, Ministry of Education

编辑信件的主要联系方式.
Email: yanqixiang@home.swjtu.edu.cn
中国, Chengdu, 610031

C. Zhang

Key Laboratory of Transportation Tunnel Engineering, Ministry of Education; Smart Material and Structure Laboratory, Department of Mechanical Engineering

编辑信件的主要联系方式.
Email: zhangchuan@my.swjtu.edu.cn
中国, Chengdu, 610031; Houston, TX, 77204

W. Wu

Key Laboratory of Transportation Tunnel Engineering, Ministry of Education

编辑信件的主要联系方式.
Email: wuwang@my.swjtu.edu.cn
中国, Chengdu, 610031

Y. Zhang

Key Laboratory of Transportation Tunnel Engineering, Ministry of Education

编辑信件的主要联系方式.
Email: yanyang.zhang@swjtu.edu.cn
中国, Chengdu, 610031

T. Ma

China Railway Eryuan Engineering Group Co. Ltd

编辑信件的主要联系方式.
Email: tingtingmaswjtu@163.com
中国, Chengdu, 610031

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