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Stability Analysis of Soil Slope under Strong Earthquake

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Abstract:

Based on the finite element model of slope, the stability of sand slope are studied. The results show that The pore water pressure shows increase trend, while the excess pore water pressure shows decreasing trend with the increase of the water depth. With the increase of the the water depth, safety factor of slope calculated by quasi static reduces to 0.193 from 2.366, which reduces 12.26times. The minimum safety factor calculated by dynamic time history is less than that by quasi static method, which shows that there is some limitations of the quasi static method.Without considering the groundwater, the destruction of slope is mainly the circular shearing damage through the slope toe, while the destruction is not yet through the slope toe, but from a point on the front of slope.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

598-601

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.598

Citation:

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Online since:

August 2014

Authors:

Tie Jun Tao*, En An Chi, Ming Sheng Zhao, Qiang Kang

Keywords:

Dynamic Response, Groundwater, Rare Earthquake, Safety Factor, Sandy Slope

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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References

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