Theoretical load solution to chain tunnel inside broken surrounding rock

被引：0
|
作者：
Li, Liang [1 ]
Guo, Nai-Zheng [1 ]
Fu, He-Lin [1 ]
Zhu, Han-Hua [2 ]
机构：
[1] Sch. of Civil Eng. and Arch., Central South Univ., Changsha 410075, China
[2] Zhejiang Admin. of Highway, Hangzhou 310009, China
来源：
Zhongguo Tiedao Kexue/China Railway Science | 2004年 / 25卷 / 04期
关键词：
Calculations - Force control - Loads (forces) - Models - Rocks - Sensitivity analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To solve the problem of acting forces on surrounding rock and the global structure in chain tunnel and the ambiguity of force sensitivity analysis, a surrounding rock classification method of chain tunnel is put forward from the point of view of surrounding rock structure, i.e. surrounding rock being divided into continuum surrounding rock, cracked surrounding rock, broken block surrounding rock and broken sheet surrounding rock. The last three kinds are called broken surrounding rock. Their related mechanical models are established and theoretical solutions to the calculation of chain tunnel load inside broken rock mass are obtained.
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页码：50 / 54
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