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361
Investigation of Pressure Relief Borehole Effects Using In Situ Testing Based on Distributed Optical Fibre Sensing Technology
Published 2021-01-01“…Borehole pressure relief method is one of the most effective ways of rock burst prevention in coal mines. The measured results of borehole pressure relief at no. 8939 longwall face in Xinzhouyao coal mine, China, are presented here. …”
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362
Study on Roof-Coal Caving Characteristics with Complicated Structure by Fully Mechanized Caving Mining
Published 2019-01-01“…According to the mechanical characteristics of roof-coal in Qinyuan coal mine, deep-hole blasting technique has been used to reduce the fragments of roof-coal crushed. …”
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363
The Stability of Gob-Side Entry Retaining in a High-Gas-Risk Mine
Published 2019-01-01“…There are series of problems faced by most of the coal mines in China, ranging from low-coal recovery rate and strained replacement of working faces to gas accumulation in the upper corner of coalfaces. …”
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364
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365
Quantitative Damage and Fracture Mode of Sandstone under Uniaxial Load Based on Acoustic Emission
Published 2020-01-01Get full text
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366
Study on the Rock Size Effect of Quasistatic and Dynamic Compression Characteristics
Published 2021-01-01Get full text
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367
Analysis of Energy Dissipation Characteristics of Damaged Sandstone under Impact Load
Published 2021-01-01Get full text
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368
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369
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370
A GIS Based Unsteady Network Model and System Applications for Intelligent Mine Ventilation
Published 2020-01-01“…The study is potential and is expected to guide the real-time coal mine safety production.…”
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371
Variation Pattern of the Stress-Strain Curve of Concrete under Multifactor Coupling
Published 2022-01-01“…The air shafts of coal mines contain solid, liquid, and gaseous substances that corrode concrete under conditions of relatively high temperature and humidity. …”
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372
Experimental Study on Mechanical Properties and Acoustic Emission Characteristics of Water Bearing Sandstone under Stable Cyclic Loading and Unloading
Published 2020-01-01“…Furthermore, considering the long-term effects of repeated pumping and drainage and hydrodynamic pressure on the surrounding rock in coal mines, a large amount of sandstone was collected from the Ruineng coal mine in Yan’an city to carry out a series of laboratory tests. …”
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373
Mechanical Behavior and Impact Resistance Tendency of Coal Mass with Different Water Content
Published 2022-01-01“…As a major hidden danger of mine safety production, the impact resistance tendency of rock seriously restricts the safety and high yield of coal mine. At the same time, as one of the puzzles of rock mechanics, it has been perplexing many domestic and foreign scholars since the recorded rock burst in South Stafford coal mine in 1738. …”
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374
New Insights into the Drill Cutting Characteristics and Fault Distribution in Gas-Containing Coal Seams
Published 2022-01-01“…With coal seams of different buried depths in Luling Coal Mine, Yuenan Coal Mine, and Sihe Coal Mine with obvious difference in hardness and outburst hazards selected as the research objects, the morphological characteristics of a sample particle size such as the Rosin-Rammler distribution function, average particle size, cumulative mass distribution, and mechanical parameters such as particle strength and F value were statistically analyzed through drill cuttings related to sampling points at different positions of faults already known. …”
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375
Experimental Analyses of the Major Parameters Affecting the Intensity of Outbursts of Coal and Gas
Published 2014-01-01Get full text
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376
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377
Multistage identification method for real-time abnormal events of streaming data
Published 2019-12-01“…Coal mine micro-seismic signal is of great importance in the investigation of vibration characteristic, attenuation law, and disaster assessment of coal mine disasters. …”
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378
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Mechanical-Chemical-Mineralogical Controls on Permeability Evolution of Shale Fractures
Published 2018-01-01Get full text
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