Analysis and Evaluation of Slope Stability under Earthquake and Rainstorm Action

Zu Yin Zou; Yu Sheng Zeng; You Mo

doi:10.4028/www.scientific.net/AMR.838-841.1547

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841Analysis and Evaluation of Slope Stability under...

Analysis and Evaluation of Slope Stability under Earthquake and Rainstorm Action

Abstract:

Collapse and landslide induced by"5.12" Wenchuan Earthquake generated a large number of loose solid material, which still remained on the mountain. Aftershocks and heavy rain conditions will induce secondary geological disasters, a direct threat to human life and property security and reconstruction results. Based on the landslide of Hanyuan Two Pretty mountain, this paper studied the basic characteristics of landslide before and after earthquake. The finite difference method is adopted to simulate landslide process, and the stress-strain law and failure trend is explored in three conditions including the natural, rainfall and seismic condition. After this, the method of strength reduction is used to analyze slope safety factor in different rainfall conditions. The analytical results are consistent with the macrogeological phenomena before and after earthquake. Research results can provide a reliable basis for the future study of the impact of earthquakes on the landslide and disaster prevention and mitigation.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

1547-1551

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.1547

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Online since:

November 2013

Authors:

Zu Yin Zou, Yu Sheng Zeng, You Mo

Keywords:

Earthquake, Landslide, Rainstorm, Slope, Stability Evaluation

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References

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