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《Underground Space》 1993-01
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Time Dependent Deformational Pressure of Surrounding Rock on Circular Tunnel Liner

Zhou Depei  
In this paper based on theoretical analyses and model tests, the following results are obtained, the deformational pressure of su rrounding rock on the tunnel liners is obviously time, dependent. While choosing lining time. the main creep time of the rock material is suggested to be taken into account, The pressure gets higher steadily as the visco-plastic flow region in rock mass expands with the time. The pressure curves of the rock on liner are changed with the time.
【Fund】: 高等学校博士学科点基金
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