A Novel Coal Burst Criterion of Anchored Roadway Surrounding Rock under Dynamic Disturbance
Advances in Civil Engineering, 2023 Mining roadway is the main occurrence area of coal bursts in underground coal mining. A good understanding of the failure process of elastic zone and energy evolution inducing instability of support structure can offer useful insight into the coal burst ...
Zheng-yi Wang, Peng-bo Li
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Ultrasonic and CT scanning analysis of coal-rock mass under the primary bedding structure
Meitan kexue jishuIn order to study the influence of the primary bedding structure on wave velocity and mechanical properties of coal-rock mass, multilayer and multi-directional ultrasonic and CT scanning tests were carried out in laboratory.
Guorong LEI +6 more
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Mechanism and prevention of typical coal burst disaster at the working face of Hongqinghe coal mine
矿业科学学报, 2023 This study aims to tackle the problem of frequent coal-rock dynamic events caused by local stress concentration in deep mining working face under high static stress environment.
Liu Wenchao, Zhao Yixin
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An empirical comparison of alternate regime-switching models for electricity spot prices [PDF]
, 2010 One of the most profound features of electricity spot prices are the price spikes. Markov regime-switching (MRS) models seem to be a natural candidate for modeling this spiky behavior.
Janczura, Joanna, Weron, Rafal
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Meitan kexue jishuTo address the prevention and control of rock burst disasters in deep coal mines, this study focuses on the spatiotemporal evolution mechanism of mining-induced stress, introducing the novel concept of “stress flow” to characterize dynamic stress ...
Chi LIU +7 more
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Study and practice on modification mechanism of engineering defects on impact coal and rock mass
Meikuang Anquan, 2022 Rock burst is one of the more serious dynamic disasters in coal mines. With the continuous increase of mining depth, rock burst disasters are becoming more and more serious. In view of the characteristics of major rock burst disasters, combined with the
KOU Tiansi, PAN Liyou, CHEN Liqiang
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Magnetic fileds of coalescing neutron stars and the luminosity function of short gamma-ray burst
, 2009 Coalescing neutron star binaries are believed to be the most reliable sources for ground-based detectors of gravitational waves and likely progenitors of short gamma-ray bursts.
A. E. Egorov +47 more
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Shock and Vibration, 2023 The occurrence regularity of the coal mine earthquake under the influence of hard roof, fault, and mining was studied by theoretical analysis, field investigation, and monitoring data analysis for the phenomenon of rock burst induced by coal mine ...
Pengfei Lyu, Yijian Geng
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Quantitative assessment of energy changes in underground coal excavations using numerical approach
Geohazard Mechanics, 2023 Coal burst is caused by a dynamic and unstable release of energy within the overstressed rock mass/coal during the mining process. Although the occurrence of coal burst is a result of the complex impacts of many factors, a major component of coal burst ...
Chunchen Wei +4 more
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The closure of Michael Colliery in 1967 and the politics of deindustrialization in Scotland [PDF]
, 2015 Michael Colliery in east Fife was the largest National Coal Board (NCB) unit in Scotland when it closed in 1967, following a disastrous fire which killed nine miners.
Phillips, Jim
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