- 期刊
Numerical Simulation on Anisotropic Squeezing Phenomenon of New Guanyin Tunnel
並列摘要
The strength and deformability anisotropy of rock masses caused by discontinuities is highly complicated in analysis and design of rock engineering. As the excavation sequence and support systems during tunneling cannot control deformation of surrounding rock in time, anisotropic squeezing behavior may occur and make tunneling very difficult. This study uses a numerical model that considers both elasto-plastic behavior and time-dependent deformation of rock masses to investigate the squeezing phenomenon in the New Guanyin Tunnel, Taiwan. The effects of discontinuities on surrounding rock deformation of a tunnel are discussed, and the mechanism and associated mobilization of squeezing phenomenon are elucidated.
延伸閱讀
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