Results 41 to 50 of about 1,187 (218)

Prevention and Mitigation Management of Tunnel Collapse and Failure during Construction-A Review [PDF]

, 2023
Empirical and numerical methods of design play a vital role in assessing rock mass behaviour quantitatively and qualitatively for the design of underground structures and support systems.
Dasti, Nasrullah, Hussain, Sajjad, Mohammad, Noor, Rehman, Zahid Ur, Sherin, Saira, Tahir, Muhammad   +5 more
core   +2 more sources

Research of prediction and control technology of rockburst in deep and high-stress zone

Gong-kuang zidonghua, 2014
Taking characteristics of rockburst of the third level transport tip in a coal mine into consideration, a conclusion was gotten that rockburst in the zone was highly-stressed medium rockburst in deep district by analyzing influence factors of rockburst ...
TIAN Junbin, XI Baoping, LI Ning, GUO Qinghua, LI Zhiwei   +4 more
doaj   +1 more source

Digital rock mechanics solutions for underground engineering problems such as coal mining

Meitan kexue jishu
The observability of underground engineering, such as coal mining, is extremely limited, which makes it difficult to obtain reliable pre-analysis basis for many complex engineering problems. Especially in face of new engineering environment brought about
Haitao LI, Qingxin QI, Weisheng DU, Haikuan ZHANG, Guanyu YANG, Shouguang WANG, Xiaoshan SHI, Chunyuan LI, Chunyang CUI, Weiyu ZHENG, Jianwei ZHENG, Tuan HE, Wei ZHU   +12 more
doaj   +1 more source

Architecture research of digitalized source governance system for rock burst prevention: A case study of Xinjie Taigemiao Mining Area

Meitan kexue jishu
Surrounding mines of the Xinjie Taigemiao Mining Area are all typical rock burst-prone collieries. Based on the principle of engineering analogy, it can be conclusively determined that future rock burst events will significantly jeopardize the safe and ...
Xudong WANG, Jianwei ZHENG, Haitao LI, Qingxin QI, Junliang DONG, Mou LYU, Liang ZHANG, Yiqin LIU, Haikuan ZHANG, Shanshan XUE, Huaguang LIU, Weisheng DU, Fucheng GUO   +12 more
doaj   +1 more source

Rock-burst occurrence prediction based on optimized naïve bayes models [PDF]

, 2021
Rock-burst is a common failure in hard rock related projects in civil and mining construction and therefore, proper classification and prediction of this phenomenon is of interest.
Armaghani, Danial, Asteris, Panagiotis, Ke, Bo, Khandelwal, Manoj, Mamou, Anna, Skentou, Athanasia   +5 more
core   +2 more sources

Technical difficulties and emerging development directions of deep rock burst prevention in China

Meitan xuebao
With the continuous increase of coal mining depth, the occurrence and prevention of deep rockburst in China have become normalized. In order to improve the effectiveness of deep rockburst prevention and control technology, starting from the technical ...
Junfeng PAN, Yongxue XIA, Shuwen WANG, Wentao MA, Chenyang ZHANG, Bing WANG   +5 more
doaj   +1 more source

Estimation of active rockburst prevention effectiveness during longwall mining under disadvantageous geological and mining conditions

Journal of Sustainable Mining, 2016
Underground longwall mining of coal seams in the Upper Silesian Coal Basin is currently being carried out under increasingly difficult geological and mining conditions.
Łukasz Wojtecki, Petr Konicek
doaj   +1 more source

Determination of Destress Blasting Effectiveness Using Seismic Source Parameters [PDF]

, 2017
Underground mining of coal seams in the Upper Silesian Coal Basin is currently performed under difficult geological and mining conditions. The mining depth, dislocations (faults and folds) and mining remnants are responsible for rockburst hazard in ...
Mendecki, Maciej J., Wojtecki, Łukasz, Zuberek, Wacław M.   +2 more
core   +1 more source

Experimental study on the effect of water absorption level on rockburst occurrence of sandstone

Journal of Rock Mechanics and Geotechnical Engineering
To investigate the mechanism of rockburst prevention by spraying water onto the surrounding rocks, 15 experiments are performed considering different water absorption levels on a single face.
Dongqiao Liu, Jie Sun, Pengfei He, Manchao He, Binghao Cao, Yuanyuan Yang   +5 more
doaj   +1 more source

Application of seismic parameters for estimation of destress blasting effectiveness [PDF]

, 2017
Coal seams in the Upper Silesian Coal Basin are currently extracted under more and more disadvantageous geological and mining conditions. Mining depth, geological dislocations and mining remnants are factors which affect the rockburst hazard during ...
Konicek, Petr, Mendecki, Maciej J., Wojtecki, Łukasz, Zuberek, Wacław M.   +3 more
core   +1 more source