Characteristics of Fracture Mechanism and Acoustic Emission of Rock-Coal Combined Body with Prefabricated Fissure
Sign Up to like & getrecommendations! Published in 2020 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-020-01432-0
Abstract: In order to analyze the mechanical characteristics of the composite rock sample, numerical simulations for the rock-coal combined body with a coal persistent joint are conducted using RFPA 2D software. Effect of the joint angle… read more here.
Keywords: rock coal; combined body; coal combined; coal ... See more keywords
Failure response of composite rock-coal samples
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DOI: 10.1007/s40948-018-0082-x
Abstract: To accurately predict coal burst hazards and estimate the failure of coal pillars in underground coal mining systems, it is of great significance to understand the static and dynamic mechanical behavior of rock-coal structures. In… read more here.
Keywords: sample; height ratio; rock coal; rate ... See more keywords
Mechanical and Microcrack Evolution Characteristics of Roof Rock of Coal Seam with Different Angle of Defects Based on Particle Flow Code
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DOI: 10.3390/ma16041401
Abstract: The creation of the natural ceiling rock of the coal seam is rife with fractures, holes, and other flaws. The angle of the defects has a significant influence on the mechanical characteristics and crack evolution… read more here.
Keywords: roof rock; rock coal; coal seam; rock ... See more keywords