Effect of rock nonlinear mechanical behavior on plastic zone around deeply buried tunnel: An efficient semi‐analytical solution
Yingming Xiao,
Yafei Qiao,
Manchao He
et al.
Abstract:Adopting the novel proposed unified strain‐hardening and strain‐softening (UHS) model and finite difference method, an efficient semi‐analytical solution is proposed to study the influence of the nonlinear behavior of rock on ground reaction. The proposed solution eliminates stress vibrations of the classical method that occurred in the strain‐hardening zone, because it judges the elastic or plastic state of the calculation nodes before calculating the ground reaction; compared with the iterative solution, the… Show more
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