Characteristic and Stability Analysis for Loess Seismic Landslide in Valley City

Wang Nai; Lan Min Wang; Zhong Xia Yuan; Wang Qian

doi:10.4028/www.scientific.net/AMR.594-597.1856

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 594-597Characteristic and Stability Analysis for Loess...

Characteristic and Stability Analysis for Loess Seismic Landslide in Valley City

Abstract:

In the light of heavy seismic landslide disasters in the valley city of loess area, 104 typical loess landslides caused by the 1654 Tianshui(Ms 8.0), 1718 Tongwei(Ms 7.5) and 1920 Haiyuan(Ms 8.5) earthquakes were studied, main landslide type and basic characteristics of seismic landslide in the valley city were analyzed. The landslides in the valley city of loess area are divided into three types: homogeneous loess landslide, loess interface landslide and loess-mudstone cutting layer landslide. Through the investigation and analysis of earthquake risk, the suggestion about the 22 dangerous landslides in Tianshui is given. The study is expected to supply scientific basis for seismic landslide disaster prevention and reduction in valley city of loess area.

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Periodical:

Advanced Materials Research (Volumes 594-597)

Pages:

1856-1863

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.594-597.1856

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Online since:

November 2012

Authors:

Wang Nai*, Lan Min Wang, Zhong Xia Yuan, Wang Qian

Keywords:

Hazard Analysis, Loess, Seismic Landslides, Valley City

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* - Corresponding Author

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