Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 11, issue 1
Articles | Volume 11, issue 1
https://doi.org/10.5194/gi-11-59-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-11-59-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 1
Research article
 | 
07 Feb 2022
Research article |  | 07 Feb 2022

Research into using a fiber Bragg grating sensor group for three-dimensional in situ stress measurement

Yimin Liu, Zhengyang Hou, Hao Zhou, Guiyun Gao, Lu Yang, Pu Wang, and Peng Wang

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Latest update: 20 Nov 2024
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Short summary
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.
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