The Excavation Simulation of Underground Engineering Tunnel Groups with ABAQUS

In the construction of underground engineering, it will encounter variety of problems, especially security issues in complex geological conditions, in order to explore the stability of surrounding rock may occur in the construction process, it is necessary that the numerical simulation analysis for rock status before construction, the paper use the advanced large-scale non-linear finite element software ABAQUS for underground tunnel groups excavation process simulation analysis, results show that the tunnel in the base during excavation, the rock stress did not exceed its yield stress, the largest settlement of vault and the maximum settlement of ground surface were reasonable within the limits prescribed, simulation analysis is essential to the application of underground engineering.