侧压力系数对隧道衬砌力学行为的影响分析

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Abstract The influence of the side-pressure coefficient on the mechanical behaviour of tunnel linings is analysed. The analysis is based on the Austrian geotechnical software，FINAL，which considers the elasto-plastic behaviour of geomaterials，the function of bolts in tunnel and the stress release situation in tunnel excavation. The results show that the forces and displacements can vary in 15% while the side-pressure coefficient varies from 0.15 to 0.75.

Key words： rock and soil mechanics elasto-plasticity lining side-pressure coefficient

Received: 28 March 2003

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https://rockmech.whrsm.ac.cn/EN/ OR https://rockmech.whrsm.ac.cn/EN/Y2003/V22/IS2/2857

1 关宝树，杨其新. 地下工程概论[M]. 成都：西南交通大学出版社，2001

2 Swoboda G. Program system FINAL—finite element analysis program for linear and nonlinear structures[R]. Version 7.1，Auctria：University of Innsbruck，1998

3 赵德安，雷晓燕，Swoboda G. 单、双层衬砌隧道的非线性有限元分析[J]. 中国公路学报，2003，(1)：62～67

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