Study on the Impact of Cyclic Wetting and Drying on the Shear Strength of Stabilized Expansive Soils

Abstract:

To offer or predict the shear strength of stabilized expansive soils after cyclic wetting and drying for the slope analysis, the paper carried out direct shear test on the stabilized expansive soils after different times of cyclic wetting and drying. The test results show: The first 3-5 times of cyclic wetting and drying will cause the shear strength decreased sharply, and after about 7-9 times of cycle, the shear strength will trend to a stable value, which is about 40-60% of the normal strength before the cycles. Logarithm model can well fitted the variation of the shear strength and the times of cyclic, so the shear strength index can be predicted by using the models which was established according to the test results.

• Periodical: Advanced Materials Research (Volumes 594-597)
• Pages: 96-99
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.594-597.96
• Online since: November 2012
• Authors: Yun Dong, Wei Zhong He, Bao Tian Wang
• Keywords: Cyclic Wetting and Drying, Prediction Model, Shear Strength, Stabilized Expansive Soils

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