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Risk Assessment Model of Multimode System for Earthquake-Induced Landslide in Small Watershed

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Abstract:

This is the first introduction of multimode system theory for risk assessment of earthquake-induced landslide. The paper defines the small watershed as multimode system which included triggering system and environmental system, through studying the relationship between multimode system and risk assessment of earthquake-induced landslide. Then the paper evaluates the risk of earthquake-induced landslide in 138 small watersheds with the multimode system, and verifies the result with the landslide data from interpretation of unmanned plane image. The result indicates 67.01% area of landslide in extremely high and high hazard levels. The structure and function of risk assessment model of multimode system is consistent with the formation mechanism of earthquake-induced landslide, which could avoid and decrease the artificial and random in dividing the evaluation index and risk degree of landslide.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

2629-2633

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.2629

Citation:

Cite this paper

Online since:

October 2012

Authors:

Shu Jun Tian*, Ji Ming Kong

Keywords:

Landslide, Multimode System, Risk Assessment, Wenchuan Earthquake

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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