陡倾角层状岩体中地下厂房洞室围岩稳定性分析

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Abstract The stability of Langyashan underground houses in the rockmasses with steep obliquity is analyzed using three-dimensional nonlinear finite element model. A nonlinear computing method for stratified anisotropical rockmasses with steep obliquity is presented. The rational arrangement of underground houses and optimum selection of bolt support as well as selection of physico-mechanical parameters of rock mass for stability of underground houses are illustrated by computing for various schemes.

Key words： steep obliquity stability of surrounding rock masses three-dimensional nonlinear FEM

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https://rockmech.whrsm.ac.cn/EN/Y2002/V21/IS/2057

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