Tianjin Key Laboratory for Advanced Mechatronic System Design and
Intelligent Control, School of Mechanical Engineering, Tianjin, 300384,
China
National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, 300384, China
National Institute of Natural Hazards, MEMC, Beijing, 100085,
China
State Key Laboratory of Remote Sensing Science, Faculty of
Geographical Science, Beijing Normal University, Beijing, 100875, China
Hao Zhou
National Institute of Natural Hazards, MEMC, Beijing, 100085,
China
Guiyun Gao
National Institute of Natural Hazards, MEMC, Beijing, 100085,
China
Lu Yang
Tianjin Key Laboratory for Advanced Mechatronic System Design and
Intelligent Control, School of Mechanical Engineering, Tianjin, 300384,
China
National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, 300384, China
Pu Wang
School of Civil Engineering, Tianjin University, Tianjin, 300072,
China
Peng Wang
Tianjin Key Laboratory for Advanced Mechatronic System Design and
Intelligent Control, School of Mechanical Engineering, Tianjin, 300384,
China
National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, 300384, China
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We use technical methods of instrument development, calibration experiments, and numerical simulations to develop a new type of in situ stress sensor group using fiber Bragg grating (FBG) sensing technology, which can calculate the in situ stress state of surrounding rock mass by sensing the borehole wall strain. This sensor group lays an important theoretical and experimental foundation for the development and application of FBG hole wall strain gauge.
We use technical methods of instrument development, calibration experiments, and numerical...
