Results 31 to 40 of about 1,187 (218)

The Mechanical Criterion of Activation and Instability of Normal Fault Induced by the Movement of Key Stratum and Its Disaster-Causing Mechanism of Rockburst in the Hanging Wall Mining

Advances in Civil Engineering, 2021
Coal mine rockburst is closely related to the complex geological structure. Understanding the criterion of the fault activation instability and the disaster-causing mechanism of rockburst under the influence of mining is the theoretical premise and ...
Lyu Pengfei, Lu Jiabin, Wang Eryu, Chen Xuehua   +3 more
doaj   +1 more source

Experimental study on revealing the mechanism of rockburst prevention by drilling pressure relief: status-of-the-art and prospects

Geomatics, Natural Hazards & Risk, 2022
High stress caused by excavation is an inevitable part of deep underground rock mass engineering or mining process, which is the key to induce disasters such as rockbursts.
Fengqiang Gong, Zhichao He, Xuefeng Si
doaj   +1 more source

The extreme mobility of debris avalanches: A new model of transport mechanism [PDF]

, 2015
International audienceLarge rockslide-debris avalanches, resulting from flank collapses that shape volcanoes and mountains on Earth and other object of the solar system, are rapid and dangerous gravity-driven granular flows that travel abnormal distances.
Davies T. R. H., Davies T. R. H., Heim A., Hsü K. J., Irme B., Johnson B., Orford J. D., Rasband W. S., Rochet L., Shaller P. J., Turcotte D. L., Watson R. A.   +11 more
core   +2 more sources

Long-term degradation, damage and fracture in deep rock tunnels: A review on the effect of excavation methods [PDF]

, 2021
Rocks are frequently host materials for underground structures, particularly for deep Tunnels. Their behavior plays a fundamental role in the overall stability of these structures.
Frenelus, Wadslin, Peng, Hui, Zhang, Jingyu   +2 more
core   +2 more sources

Intelligent assessment method for rockburst hazard areas based on image recognition technology

Gong-kuang zidonghua, 2023
In traditional rockburst hazard assessment methods, there are problems of large computational complexity and low precision in dividing hazardous areas. In order to meet the development needs of intelligent and visual prevention and control of rockburst ...
HAN Gang, XIE Jiahao, QIN Xiwen, WANG Xing, HAO Xiaoqi   +4 more
doaj   +1 more source

Coal Burst: A State of the Art on Mechanism and Prevention from Energy Aspect [PDF]

, 2020
Coal burst continues to be one of the most catastrophic safety hazards faced by future mining as the stress environment will be more complicated with the increase of mining depth. Many chief coal mining countries including Poland, Czech Republic, the U.S.
Yang, Xiaohan
core   +1 more source

Ensemble stacking rockburst prediction model based on Yeo–Johnson, K-means SMOTE, and optimal rockburst feature dimension determination

Scientific Reports, 2022
Rockburst forecasting plays a crucial role in prevention and control of rockburst disaster. To improve the accuracy of rockburst prediction at the data structure and algorithm levels, the Yeo–Johnson transform, K-means SMOTE oversampling, and optimal ...
Lijun Sun, Nanyan Hu, Yicheng Ye, Wenkan Tan, Menglong Wu, Xianhua Wang, Zhaoyun Huang   +6 more
doaj   +1 more source

Method of drilling of coal pillar [PDF]

, 2011
One of outputs of the research project of the Czech Mining Office “Protection of Employees against Consequences of Rock and Gas Outbursts” was the application of yet not used methods of coal mining in the conditions of the Czech Republic.
Hudeček, Vlastimil, Stoniš, Milan
core   +1 more source

Effect of the Initial Support of the Tunnel on the Characteristics of Rockburst: Case Study and Mechanism Analysis

Advances in Civil Engineering, 2022
Rockburst is still a stubborn disease in the field of engineering geology. The present research pays more attention to the influence of geological conditions on rockburst and less to the influence of type and stiffness of engineering support on rockburst.
Chunchi Ma, Junqi Fan, Xiang Ji, Xiaoyan Shi, Jun Zeng   +4 more
doaj   +1 more source

Characteristics of rockburst and early warning of microseismic monitoring at qinling water tunnel

Geomatics, Natural Hazards & Risk, 2022
In-depth records of the geological and rockburst data during the construction of the Qinling Water Tunnel of the Han to the Wei River project, analysis of the initial stress field distribution rules of the rock mass within a buried depth of 700 m ...
Tianhui Ma, Daoyuan Lin, Liexian Tang, Limin Li, Chun’an Tang, Kedar Prasad Yadav, Wendong Jin   +6 more
doaj   +1 more source