Abstract
AbstractFor the anti-dip bedding rock slopes (ABRSs), tensile stresses are likely to be generated near the top of the slope, and the results obtained by using the classical Mohr-Coulomb yield criterion are often on the safe side, because the criterion over-estimates the tensile strength of the rock containing joints. In this paper, based on the basic principle of limit analysis upper limit method, a computational failure mode for stability analysis of ABRSs considering tensile strength cut-off is proposed. From the viewpoint of power, the stability coefficient expressions of ABRSs under seismic effects are derived by combining the limit analysis upper limit method and tensile strength cut-off theory. Analysis of the results shows that parameters such as slope angle, horizontal seismic force coefficient, inclination of structural plane and spacing of structural plane have important effects on slope stability coefficient and failure modes.KeywordsAnti-dip bedding rock slope (ABRS)Limit analysisTensile strength cut-offSeismic load
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