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논문 기본 정보

자료유형
학술저널
저자정보
Zhao, Lian-Heng (School of Civil Engineering, Central South University) Cao, Jingyuan (School of Civil Engineering, Central South University) Zhang, Yingbin (Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Southwest Jiaotong University) Luo, Qiang (Department of Communications of Guizhou Province)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제8권 제3호
발행연도
2015.1
수록면
391 - 414 (24page)

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In this paper, stabilities of a plane slide rock slope under different hydraulic distributions were studied based on the nonlinear Barton-Bandis (B-B) failure criterion. The influence of various parameters on the stability of rock slopes was analyzed. Parametric analysis indicated that studying the factor of safety (FS) of planar slide rock slopes using the B-B failure criterion is both simple and effective and that the effects of the basic friction angle of the joint (${\varphi}_b$), the joint roughness coefficient (JRC), and the joint compressive strength (JCS) on the FS of a planar slide rock slope are significant. Qualitatively, the influence of the JCS on the FS of a slope is small, whereas the influences of the ${\varphi}_b$ and the JRC are significant. The FS of the rock slope decreases as the water in a tension crack becomes deeper. This trend is more significant when the flow outlet is blocked, a situation that is particularly prevalent in regions with permafrost or seasonal frozen soil. Finally, the work is extended to study the reliability of the slope against plane failure according to the uncertainty from physical and mechanics parameters.

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