IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.11
Numerical simulation of a high-speed landslide in Chenjiaba, Beichuan, China
HUANG Tao; DING Ming-tao; SHE Tao; TIAN Shu-jun; YANG Jiang-tao
Corresponding AuthorDING Ming-tao
Source PublicationJournal of Mountain Science
AbstractHigh-speed landslide is a catastrophic geological disaster in the mountainous area of southwest China. To predict the movement process of landslide reactivation in Chenjiaba town, Beichuan county, Sichuan province, China, we simulated the movement process of two landslide failures in Chenjiaba via rapid mass movement simulation and unmanned aerial vehicle images (UAV), and obtained the movement characteristic parameters of the landslides. According to a back analysis, the most remarkable fitting rheological parameters were friction coefficient (μ = 0.18) and turbulence (ξ = 400 m·s^(-2)). The parameter of landslide pressure was applied as the zoning index of landslide hazard to obtain the influence zone and hazard zoning map of the Chenjiaba landslide. Results show that the Duba River was blocked quickly with a landslide accumulation at the maximum height of 44.14 m when the Chenjiaba deposits lost stability. The hazard zoning map indicated that the landslide hazard degree is positively correlated with the slope. This landslide assessment is a quantitative hazard assessment method based on a landslide movement process and is suitable for high-speed landslide. Such method can provide a scientific basis for urban construction and planning in the landslide hazard area to avoid hazards effectively.
KeywordMass Movement Simulation High Speed Landslide Numerical Simulation Hazard Assessment Chenjiaba Landslide Landslide Pressure
Indexed BySCI
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Document Type期刊论文
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.11
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GB/T 7714
HUANG Tao,DING Ming-tao,SHE Tao,et al. Numerical simulation of a high-speed landslide in Chenjiaba, Beichuan, China[J]. Journal of Mountain Science,2017,14(11):2137-2149.
APA HUANG Tao,DING Ming-tao,SHE Tao,TIAN Shu-jun,&YANG Jiang-tao.(2017).Numerical simulation of a high-speed landslide in Chenjiaba, Beichuan, China.Journal of Mountain Science,14(11),2137-2149.
MLA HUANG Tao,et al."Numerical simulation of a high-speed landslide in Chenjiaba, Beichuan, China".Journal of Mountain Science 14.11(2017):2137-2149.
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