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“…Hence, the values of Cpav in Eq. (6) and κ in Eq. 7can be deduced, respectively, which are 0.25 and 2.67.…”

confidence: 99%

“…Hence, the values of Cpav in Eq. (6) and κ in Eq. 7can be deduced, respectively, which are 0.25 and 2.67.…”

confidence: 99%

“…Hence, it is necessary to study the pillar stability for better engineering applications. Comprehensive understanding of the failure mechanism and micro-fracture behavior of pillar at varying conditions is necessary to develop the optimal pillar strength design [2][3][4][5][6] . Past literature focused on optimizing the experimental conditions as these significantly affected the rock material or rock-like material fracture behavior [7][8][9][10][11][12][13] .…”

confidence: 99%

“…The laboratory results showed that the strength reduction factors can be used to predict the strength of the inclined specimens at any width-to-height ratios. The laboratory test results are the basis for understanding the strength of the large-scale pillars [27,28]. Therefore, as the strength reduction factors are consistent throughout all the W/H ratios for a specific inclination in the laboratory specimens, the strength reduction factors should be consistent throughout all the W/H ratios in largescale pillars.…”

confidence: 99%

“…The strength of the pillar decreases with the increase in pillar height at a constant pillar width-to-height (W/H) ratio [24]. Many studies have been conducted to understand the effect of size, which shows that at a constant W/H ratio, as the sample size increases, the strength of the sample decreases [25]. Alternatively, at a constant blast thickness, the blast would encompass a larger amount of a smaller pillar and, conversely, a smaller amount of a larger pillar.…”

confidence: 99%