Fracture mechanism of inversed trapezoidal shaped tunnel excavated in 45° inclined rock strata

Manchao He1,2, Yanyan Peng1,2, Shuaiyang Zhao3, Haiyang Shi1,2, Ning Wang1,2, Weili Gong1,2
1School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing 100083, China
2State Key Laboratory for Geomechanics & Deep Underground Engineering, Beijing 100083, China
3College of Geoscience and Surveying Engineering, China University of Mining & Technology, Beijing, 100083, China

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