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A Numerical Study of Vortex Shedding From a Square Cylinder With Ground Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical study has been conducted to investigate the behavior of the vortical wake created by a square cylinder placed in a laminar boundary-layer flow. The calculations are performed by ...
Evolution of Contact State during Shear of Rough Rock Joints and Its Influence on Seepage Characteristics
Publisher: ASCE
Abstract: The seepage characteristics of fractured rock mass under compression and shear are one of the important factors affecting the stability of rock mass engineering. In order to understand the effect of shear action on the ...
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 ...
Influence of Asperity Morphology on Failure Characteristics and Shear Strength Properties of Rock Joints under Direct Shear Tests
Publisher: American Society of Civil Engineers
Abstract: The asperity morphology has profound influences on the failure characteristics and shear strength of rock joints. To investigate these influences, degradation characteristics and mechanical properties were studied based ...
Seepage Characteristics of Triaxial Compression-Induced Fractured Rocks under Varying Confining Pressures
Publisher: ASCE
Abstract: In water-rich rock masses from underground excavations, the flow pressure and confining pressure significantly affect the seepage properties of the fractured rock induced by complex stress. To understand the seepage mechanism ...