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Experimental and Theoretical Study on the Dynamic Ejection Process of a Rock Burst Under a Static Load

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (1)

As the duration of a rock burst is very short and the roadway is seriously damaged after the disaster, it is difficult to observe its characteristics.......

INTERACTION PRINCIPLE OF ROCK-BOLT STRUCTURE AND RIB CONTROL IN LARGE DEFORMATION ROADWAYS

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (2)

Large deformation in roadways is an inevitable problem faced by many coal mines, and bolt installation is widely adopted to keep roadway stability. To......

UNDERGROUND MINE GAS EXPLOSION ACCIDENTS AND PREVENTION TECHNIQUES-AN OVERVIEW

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (2)

Mine gas explosions present a serious safety threat in the worldwide coal mining industry. It has been considered the No.1 killer for underground coal......

EXPERIMENTAL STUDY ON THE EFFECTS OF VIBRATIONAL FREQUENCY ON THE PERMEABILITY OF GAS-CONTAINING COAL ROCKS

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (2)

Low-frequency mechanical vibrations can trigger disasters such as coal-gas outbursts. An in-house "vibration-triaxial stress-seepage" experimental app......

SIMULATION STUDIES ON THE INFLUENCE OF OTHER COMBUSTIBLE GASES ON THE CHARACTERISTICS OF METHANE EXPLOSIONS AT CONSTANT VOLUME AND HIGH TEMPERATURE

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (2)

Gas explosions are major disasters in coal mining. and they typically cause a large number of deaths, injuries and property losses. An appropriate und......

Internal Mechanism of Asymmetric Deformation and Failure Characteristics of the Roof for Longwall Mining of a Steeply Dipping Coal Seam

期刊: ARCHIVES OF MINING SCIENCES, 2021; 66 (1)

Stability control of the roof is the key to safe and efficient mining of the longwall working face for a steeply dipping coal seam. In this study, a c......

THE EXPERIMENTAL INSTRUMENTED BOLT WITH FIBRE BRAGG GRATING FORCE SENSORS

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

Monitoring the stress change of bolt and knowing the anchoring condition in a reasonable and effective way, accurately, can effectively prevent tunnel......

EXPERIMENTAL STUDY ON THE JOINT APPLICATION OF INNOVATIVE TECHNIQUES FOR THE IMPROVED DRIVAGE OF ROADWAYS AT DEPTHS OVER 1 KM: A CASE STUDY

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

Finding effective ways to efficiently drive roadways at depths over 1 km has become a hotspot research issue in the field of mining engineering. In th......

A NEW PREDICTION MODEL OF SURFACE SUBSIDENCE WITH CAUCHY DISTRIBUTION IN THE COAL MINE OF THICK TOPSOIL CONDITION

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

Coal is the main energy source in China, but its underground mining causes surface subsidence, which seriously damages the ecological and living envir......

COMPRESSIVE DEFORMATION CHARACTERISTICS OF CRUSHED SANDSTONE BASED ON MULTIPLE EXPERIMENTAL FACTORS

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

In this study, the compressive deformation of crushed sandstone was tested using a crushed rock deformation-seepage test system. and the effects of va......

RESEARCH ON MINE SEAL STABILITY UNDER EXPLOSION LOAD AND GROUND PRESSURE IN UNDERGROUND COAL MINES

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

The mine seals in coal mines with a good impact resistance and air tightness are mainly used to isolate abandoned mining areas from active workings. F......

STUDY ON THE MECHANICS AND MICRO/MACROECONOMICS OF MULTIPLE STRIP-SHAPED PILLAR RECOVERY

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (1)

The structural system of a multiple strip-shaped pillar-roof is common in underground mine exploitation, and research on its mechanics and micro/macro......

FAILURE CHARACTERISTICS AND STRENGTH MODEL OF COMPOSITE ROCK SAMPLES IN CONTACT ZONE UNDER COMPRESSION

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (2)

Significant differences in the physical and mechanical properties exist between the rock masses on two sides of an ore-rock contact zone, which the pr......

ROADWAY SUPPORT DESIGN BASED ON IN-SITU STRESS AND ITS ASYMMETRICAL DISTRIBUTIONS IN A COAL MINE

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (2)

Through in-situ stress measurements, stress data were obtained from an auxiliary transportation roadway in a coal mine in Shanxi Province, China. Base......

ANALYSIS ON THE INFLUENCE FACTOR OF LOW-STRENGTH WET SHOTCRETE IN FRIGID MINING AREA

期刊: ARCHIVES OF MINING SCIENCES, 2020; 65 (2)

Wet shotcrete technology is being gradually used in roadway support in frigid mining areas. Thus, problems such as low strength, fragility, and high r......

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