Cyclic Triaxial Tests of Saturated Clay and Stability Numerical Analysis of Inland Waterway Slope under Effect of Ship Wave

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Ship wave is one of the key factors that affect slope stability of inland waterway because of scour and corrosion. In this paper, the investigations on the softening index, the residual strain and the shear strength with cyclic loading of saturated clay were carried out through cyclic triaxial shear tests in conditions of three different ambient pressures in Naji area on the upper reaches of You River in Guangxi. The relationship between softening index and vibration times, the relationship between residual strain and vibration times as well as the shear strength discounting ratio curve varying with cyclic loading were obtained. Based on the tests, the finite element model of inland waterway slope was founded to analyze the stability of inland waterway slope under effect of ship wave.

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629-636

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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