Results 21 to 30 of about 381 (161)

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

open access: yesGeomatics, 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   +6 more
doaj   +1 more source

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

open access: yesAdvances 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   +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

open access: yesGeomatics, 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

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

open access: yesGong-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   +4 more
doaj   +1 more source

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

open access: yesGong-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   +4 more
doaj   +1 more source

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

open access: yesMeitan 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   +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

open access: yesMeitan 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   +12 more
doaj   +1 more source

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

open access: yesMeitan 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   +5 more
doaj   +1 more source

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

open access: yesJournal 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   +5 more
doaj   +1 more source

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

open access: yesJournal 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

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