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Influences of roughness and filling degree on the shear strength and damage evolution characteristics of cement-filled joints.
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School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, China.
The shear resistance of filling joints is an important factor affecting the stability of rock joints. Pressure-shear tests of cement-filled joints were carried out. Combined with the acoustic emission (AE) technique, the effects of normal stress, roughness and filling degree on the shear strength, damage morphology and damage evolution of cement-filled joints were investigated.
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College of Tourism, Hubei University, Wuhan, Hubei, China.
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