Results 1 to 10 of about 779 (192)

Mechanical mechanism analysis of rockburst in deep-buried tunnel with high in-situ stress [PDF]

Scientific Reports
The Qinling water conveyance tunnel has a large buried depth and high in-situ stress level, and rockburst disasters frequently occurred during excavation.
Chao Zhou, Zhihong Dong, Chunhua Zhou, Ping Fu, Sheng Luo   +4 more
doaj   +5 more sources

Development of Rockburst Research: A Comprehensive Review

Applied Sciences, 2022
Rockburst is a difficult problem in underground resource development and infrastructure construction. With scientific and technological progress, more research technologies and methods to prevent rockburst have been proposed and applied. Research content
Meng Wu, Yicheng Ye, Qihu Wang, Nanyan Hu   +3 more
doaj   +4 more sources

Study on the Mechanism of Rockburst Induced by Tidal Force

Taiyuan Ligong Daxue xuebao, 2021
According to the statistical analysis of the time and region of rockburst, it is found that the time and region of rockburst have a certain correlation with the change of tidal force.
Gaochuan GUO, Yongkang YANG
doaj   +3 more sources

Analysis of rockburst mechanism and warning based on microseismic moment tensors and dynamic Bayesian networks

Journal of Rock Mechanics and Geotechnical Engineering, 2023
One of the major factors inhibiting the construction of deep underground projects is the risk posed by rockbursts. A study was conducted on the access tunnel of the Shuangjiangkou hydropower station to determine the evolutionary mechanism of ...
Haoyu Mao, Nuwen Xu, Xiang Li, Biao Li, Peiwei Xiao, Yonghong Li, Peng Li   +6 more
doaj   +4 more sources

Rockburst Precursors and the Dynamic Failure Mechanism of the Deep Tunnel: A Review [PDF]

Energies, 2021
With the rapid development of underground caverns in the fields of hydraulic engineering, mining, railway and highway, the frequency, and intensity of rockburst and dynamic instability have gradually increased, which has become a bottleneck restricting ...
Yulong Chen, Junwen Zhang, Jiahao Zhang, Bin Xu, Luji Zhang, Wenxin Li   +5 more
doaj   +3 more sources

Rockburst mechanism in soft coal seam within deep coal mines

International Journal of Mining Science and Technology, 2017
A number of rockburst accidents occurring in soft coal seams have shown that the rockburst mechanism involved in soft coal seams is significantly different from that involved in hard coal seams.
Junfei Zhang, Fuxing Jiang, Jianbo Yang, Wushuai Bai, Lei Zhang   +4 more
doaj   +4 more sources

Prediction and prevention of rockburst in metal mines – A case study of Sanshandao gold mine

Journal of Rock Mechanics and Geotechnical Engineering, 2016
Rockburst is a kind of artificial earthquake induced by human activities, such as mining excavations. The mechanism of rockburst induced by mining disturbance is revealed in terms of energy in this context.
Meifeng Cai
doaj   +4 more sources

Mechanism of rockburst induced by the microseismic event in the floor strata of high tectonic stress zones: A case study

International Journal of Coal Science & Technology
With the increase of mining scope, rockburst occurs frequently, but its generation mechanism has not been understood comprehensively. Based on a rockburst in the coal pillar area of high tectonic stress zones (HTSZs), this study analyzed the distribution
Songwei Wang, Anye Cao, Changbin Wang, Wenhao Guo, Chengchun Xue, Jian-gang Liu, Xuesong Wu, Gangsheng Shi   +7 more
doaj   +3 more sources

A review of rockburst: Experiments, theories, and simulations

Journal of Rock Mechanics and Geotechnical Engineering, 2023
Rockburst is becoming a huge challenge for the utilization of deep underground space. Extensive efforts have been devoted to investigating the rockburst behavior and mechanism experimentally, theoretically, and numerically.
Manchao He, Tai Cheng, Yafei Qiao, Hongru Li   +3 more
doaj   +4 more sources

Self-initiated static-dynamic state transition behavior and triggering mechanism of strain rockburst using three-dimensional discrete element method

Underground Space
The accurate understanding of rockburst mechanism poses a global challenge in the field of rock mechanics. Particularly for strain rockburst, achieving self-initiated static-dynamic state transition is a crucial step in the formation of catastrophic ...
Yuan Qian, Cheng Zhao, Rui Wei, Rui Zhang, Lin Huang, Huiguan Chen   +5 more
doaj   +4 more sources