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Cut-Blasting Method Selection and Parameter Optimization for Rock Masses under High In Situ Stress
Publisher: ASCE
Abstract: The aim of this study was to investigate the optimization of cut-blasting methods for deep rock masses under high in situ stress. Several plane fluid–structure interaction (FSI) models were established, and the blasting ...
Effect of Nonstationarity on Shear Properties of Rock Joints and a New Peak Shear Strength Criterion
Publisher: ASCE
Abstract: In rock masses, there might be structural nonstationarity in the joint morphology that influences the shear behavior of rock joints. However, research into this effect is seldom reported. In this study, shear tests on ...
Quantitative Study of the Action on Rock Mass Failure under the Shock Wave and Gas Pressure in Bench Blasting
Publisher: ASCE
Abstract: The expansion and shock wave coexisting failure theory has been widely recognized. However, it is not clear whether the main cause of rock mass blasting failure is the shock wave or gas pressure. In this paper, the ...