Experimental Study on Shear Characteristics of a Rock Joint Subjected to Dynamic Shear Load

Yuan, W.; Li, J. C.; Zheng, Y. L.; Wang, Z. J.

doi:10.1007/s00603-023-03692-7

Rock Mech Rock Eng

2023

DOI: 10.1007/s00603-023-03692-7

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Experimental Study on Shear Characteristics of a Rock Joint Subjected to Dynamic Shear Load

W. Yuan,

J. C. Li,

Y. L. Zheng

et al.

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2024

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Cited by 8 publications

References 49 publications

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Dynamic Pulverization of Rock Under Triaxial Static-Stress and High-Rate Shearing

Liu,

Hu,

Zhao

2024

Rock Mech Rock Eng

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A long-term opening problem in geophysics and engineering is the generation mechanism of rock pulverization (e.g., fault gouge) within the shear zone when subjected to triaxial stress environment and dynamic loads. A novel triaxial Hopkinson bar is developed to apply quasi-static triaxial confinement and dynamic loads onto the testing rocks and to measure the energy release from the shearing zone. The results elucidate shear strain-rate threshold (i.e., over 125 s−1) for granite at the triaxial prestress of (10, 10, 10) MPa is required for fine fragments/gouge generation. The effects of shear and normal pre-stresses on dynamic shear strength and surface energy for rock pulverization are investigated, which will help explain fine fragments formed during the high-rate loading events. It is suggested that, except for the quasi-static cumulative slip attrition and multiple dynamic events, rock pulverization or fault gouge could be generated at relatively shallow depths (low geo-stress) in a single dynamic earthquake processes.

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Dynamic Pulverization of Rock Under Triaxial Static-Stress and High-Rate Shearing

Liu,

Hu,

Zhao

2024

Rock Mech Rock Eng

View full text Add to dashboard Cite

show abstract

Preliminary Research on Dynamic Hoek–Brown Strength Criterion for Rock Mass

Xie,

Li,

Zou

et al. 2024

Rock Mech Rock Eng

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Experimental and Simulation Studies on the Effect of Rock Bridges on Rock Failure

Du,

Liu,

Huang

2024

Geotech Geol Eng

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Experimental Study on Shear Characteristics of a Rock Joint Subjected to Dynamic Shear Load

Cited by 8 publications

References 49 publications

Dynamic Pulverization of Rock Under Triaxial Static-Stress and High-Rate Shearing

Dynamic Pulverization of Rock Under Triaxial Static-Stress and High-Rate Shearing

Preliminary Research on Dynamic Hoek–Brown Strength Criterion for Rock Mass

Experimental and Simulation Studies on the Effect of Rock Bridges on Rock Failure

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