Results 1 to 10 of about 27,666 (152)

In-situ stress field inversion and its impact on mining-induced seismicity

Geomatics, Natural Hazards & Risk, 2023
The magnitude and direction of the in-situ stress field significantly influence the Geodynamic disaster. Taking the Gaojiapu Coal Mine in the northwest Binchang mining area as the study area, the distribution law of the in-situ stress field and its ...
Xianggang Cheng, Wei Qiao, Linming Dou, Hu He, Wei Ju, Jinkui Zhang, Shikang Song, Heng Cui, Hengzhi Fang   +8 more
doaj   +4 more sources

Multiple Linear Regression Inversion of the Ground Stress Field in Rock Masses for Tunnel Engineering: A Novel Approach to Stress Field Reconstruction

Buildings
The inversion of the ground stress field in rock masses is critical for accurate tunnel and underground engineering design. This study addresses the challenge of accurately capturing both the primary and secondary stress field components in rock masses ...
Wei Meng, Hongyang Zhou, Chun Luo, Shuai Qin, Xuefu Zhang, Binke Chen   +5 more
doaj   +4 more sources

Local Stress Field Correction Method Based on a Genetic Algorithm and a BP Neural Network for In Situ Stress Field Inversion

Advances in Civil Engineering, 2021
The in situ stress field is the fundamental factor causing deformation and damage in geotechnical engineering, so it is the main basis for underground engineering design and excavation.
Tianzhi Yao, Zuguo Mo, Li Qian, Jianhua He, Jianhai Zhang   +4 more
doaj   +2 more sources

GAN inversion method of an initial in situ stress field based on the lateral stress coefficient [PDF]

Scientific Reports, 2021
The initial in situ stress field influences underground engineering design and construction. Since the limited measured data, it is necessary to obtain an optimized stress field.
Li Qian, Tianzhi Yao, Zuguo Mo, Jianhai Zhang, Yonghong Li, Ru Zhang, Nuwen Xu, Zhiguo Li   +7 more
doaj   +3 more sources

Robust in-situ stress inversion in an underground powerhouse using tensor synthesis and surrogate-assisted differential evolution [PDF]

Scientific Reports
Accurate characterization of the initial in-situ stress field is essential for stability assessment, support design, and surrounding rock control in deep underground engineering, yet field measurements are often highly scattered and three-dimensional ...
Zhihong Dong, Shijie Hu, Yuan Qian, Xinhui Zhang, Ping Fu, Kaicheng Zhang   +5 more
doaj   +2 more sources

Three Dimensional Distribution of Sensitive Field and Stress Field Inversion of Force Sensitive Materials under Constant Current Excitation [PDF]

Sensors, 2018
Force sensitive conductive composite materials are functional materials which can be used as the sensitive material of force sensors. However, the existing sensors only use one-dimensional electrical properties of force sensitive conductive materials ...
Shuanfeng Zhao, Min Liu, Wei Guo, Chuanwei Zhang   +3 more
doaj   +2 more sources

Inversion analysis of the stress field in a pumped-storage power station based on the PSO-XGBoost and the finite element model [PDF]

Scientific Reports
The inversion of geostress is key to understanding the crustal structure, predicting seismic activity, and guiding underground engineering design. A hybrid method that integrates the particle swarm optimization (PSO), extreme gradient boosting (XGBoost),
Jianxin Wang, Rui Yao, Bing Li, Ce Zhang
doaj   +2 more sources

Inversion Analysis of Stress Fields Based on the LSTM–Attention Neural Network

Applied Sciences
Conventional geostress methods of measurement cannot reveal an accurate geostress field distribution in an engineering area, limited by both cost and prevailing geological conditions. This study introduces an improved LSTM–Attention neural network for in
Jianxin Wang, Liming Zhang, Junyu Sun
doaj   +2 more sources

Inversion of mining-induced stress field based on focal mechanism solutions: a case study of the 63upper06 working face in Dongtan Coal Mine

Frontiers in Earth Science
Microseismic monitoring is pivotal for mine safety, offering early warnings for coal mining operations. By introducing the MTfit and MSATSI inversion methods to study the focal mechanisms of microseismic events and the stress field in coal mines, we ...
Xianyang Yan, Rui Xu, Rui Xu, Kai Zhan, Xiaotao Wen, Cong Wang, Cong Wang, Zhenguo Li, Quan Zhang   +8 more
doaj   +3 more sources

Inversion of In-situ stress field in near-fault coal mining area by coupling numerical simulation with deep learning

Geomatics, Natural Hazards & Risk
Understanding the in-situ stress distribution is crucial for coal mine production. In mining area 105 of Yuandian No. 1 Coal Mine, in-situ stress measurements were carried out using the stress relief method.
Rongqin Deng, Yuan Zhang, Dong Wu, Jiakun Lv, Yanan Jing, Zheng Zhen, Peng Shi   +6 more
doaj   +3 more sources