Numerical investigation on the shear behavior of jointed coal mass
Sign Up to like & getrecommendations! Published in 2019 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2018.11.005
Abstract: Abstract Understanding the shear failure mechanisms of coal mass is essential to dealing with mining issues, including roof collapses, pillar instabilities, and severe roadway closures. A numerical three-dimensional synthetic rock-mass method was used to study… read more here.
Keywords: coal mass; mass; numerical investigation; shear behavior ... See more keywords
Numerical simulation of the dynamic distribution characteristics of the stress, strain and energy of coal mass under impact loads
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DOI: 10.1038/s41598-020-74063-3
Abstract: To research the dynamic response characteristics of coal mass under impact loads, based on LS-DYNA software, rigid body bars are simulated to impact coal mass under different speed conditions, and the dynamic distribution characteristics of… read more here.
Keywords: energy; stress strain; stress; coal mass ... See more keywords
Study on the Relationship between Stress and Charge of Coal Mass under Uniaxial Compression
Sign Up to like & getrecommendations! Published in 2019 at "Shock and Vibration"
DOI: 10.1155/2019/9412697
Abstract: This paper presents a new method to identify the stress concentration degree and stress distribution characteristics in front of working face in coal mine, based on the close relationship between charge and stress during fracture… read more here.
Keywords: stress charge; relationship; charge; coal mass ... See more keywords
Study on Damage Evolution and Resistivity Variation Regularities of Coal Mass Under Multi-Stage Loading
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DOI: 10.3390/app9194124
Abstract: In order to describe resistivity variation regularities during the process of damage evolution of loading coal mass more comprehensively and accurately, electrical resistivity and acoustic emission (AE) characteristics of coal mass were tested by 3532-50… read more here.
Keywords: resistivity; coal mass; damage evolution; damage ... See more keywords