WitrynaThe measured data suggest that the occurring strains in beam tests are independent of the loading velocity. The same was found for the strain rates. The reason is that … Witryna1 paź 2024 · Rock structures are often subjected to dynamic loads, such as blasts, impacts and earthquakes, and their loading rates differ largely. To investigate the effect of loading rates on the dynamic behavior of crack propagation, impact tests were conducted on large single-cleavage semicircle compression (LSCSC) specimens …
The Effect of Loading Rates on Crack Dynamic Behavior Under
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Witryna7 wrz 2024 · The experimental-numerical method was employed in determining initiation toughness and propagation toughness. The results indicate that crack propagating … Witryna22 mar 2024 · Rock strength has been found to be loading-rate and stress-path dependent (Dehkordi et al. 2015; Su et al. 2016; Li et al. 2024, 2024). Many attempts have been made to investigate the mechanism of the impact of various loading rates and stress paths on rock strengths through testing. Witryna23 wrz 2024 · According to Figure 5, after the pomegranate biotite schist specimen was subjected to conventional uniaxial impact loading, the percentage of fragments whose size was larger than 25 mm decreased from 66.78% to 31.28%, and the strain rate increased from 46.89 s-1 to 93.84 s-1.The change in the block size distribution of … camping ostern