2020
DOI: 10.1038/s41598-020-78137-0
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Abstract: One element that is essential to consider in underground mining engineering applications is the possibility of pillar failure, which can result in deadly geological disasters, including earthquakes and surface subsidence. Pillars are commonly present under an inclined state and are significantly dependent upon combined compression and shear loading. However, many scholars regard the pure uniaxial compression strength (UCS) of rock as the main evaluation index of pillar strength, which is inconsistent with the … Show more

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Cited by 6 publications
(1 citation statement)
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References 45 publications
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“…Although there are many researchers currently using linear elastic fracture mechanics (LEFM) and acoustic emission to predict fracture propagation in various rock 31 36 , numerical simulation is still a more intuitive and effective method to study the effect of blasting excavation contouring in large underground caverns. A pseudo 3D numerical model is built based on the C–C Profile in Fig.…”
Section: Numerical Calculation Modelmentioning
confidence: 99%
“…Although there are many researchers currently using linear elastic fracture mechanics (LEFM) and acoustic emission to predict fracture propagation in various rock 31 36 , numerical simulation is still a more intuitive and effective method to study the effect of blasting excavation contouring in large underground caverns. A pseudo 3D numerical model is built based on the C–C Profile in Fig.…”
Section: Numerical Calculation Modelmentioning
confidence: 99%