Influence of tunnel excavation on the magnitude and rotation angle of principal stress in surrounding rock

Chenwei Yuan
School of Civil Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
Jingjing Lu
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China
Yue Jiang
School of Civil Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
Jiancheng Xiao
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China
Shi Chen
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China
Jian Cui
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China
Ziyuan Qi
State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China

https://www.nature.com/articles/s41598-024-76030-8