Cracking Processes and Coalescence Modes in Rock-Like Specimens with Two Parallel Pre-existing Cracks
Sign Up to like & getrecommendations! Published in 2018 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-018-1525-y
Abstract: The cracks in a rock tend to initiate, propagate, and coalesce under loading. Based on the digital image correlation (DIC) method, uniaxial compression tests are carried out on rock-like specimens with various arrangements of two… read more here.
Keywords: coalescence; rock like; coalescence modes; process ... See more keywords
Stress Evolution of Rock-Like Specimens Containing a Single Fracture Under Uniaxial Loading: a Numerical Study Based on Particle Flow Code
Sign Up to like & getrecommendations! Published in 2017 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-017-0347-0
Abstract: Stress concentrations are responsible for the crack propagation in rock and rock-like specimens. To investigate the stress evolution characteristics of the rock-like specimens containing a single prefabricated fracture, a numerical study based on the particle… read more here.
Keywords: propagation; rock like; stress; like specimens ... See more keywords
Crack propagation process and acoustic emission characteristics of rock-like specimens with double parallel flaws under uniaxial compression
Sign Up to like & getrecommendations! Published in 2021 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2021.102983
Abstract: Abstract To further investigate the macroscopic failure law of fractured rock mass, we have performed investigations on the initiation mechanism of microcracks in fractured rock mass from the perspective of micromechanics. The failure of fractured… read more here.
Keywords: propagation; rock like; acoustic emission; double parallel ... See more keywords
Determinations of thermoelastic instability for ball-bearing-like specimens with spacers and in grease lubrications
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106415
Abstract: Abstract Frictional torque jump is present at ball-bearing-like specimens in grease lubrications, it is formed to be bearing instabilities at a time dependent on bearingʹs groove factor, raceway's roughness. Intrinsic mode functions for vibrations are… read more here.
Keywords: bearing like; ball bearing; grease lubrications; like specimens ... See more keywords