NDLI: Investigation and dynamic analysis of the long runout catastrophic landslide at the Shenzhen landfill on December 20, 2015, in Guangdong, China

Content Provider	Springer Nature Link
Author	Gao, Yang Yin, Yueping Li, Bin Wang, Wenpei Zhang, Nan Yang, Chunxu Zuo, Xiao
Copyright Year	2016
Abstract	At 11:40 a.m., December 20, 2015, a catastrophic landslide occurred in Shenzhen, Guangdong, Southeast China. Seventy-seven people were killed, and 33 buildings were buried or damaged, which were in the direct path of the landslide at the Guangming New District. The landslide involved 2.73 million m$^{3}$ of the municipal solid waste (MSW) and had a horizontal runout distance of 1100 m, over a vertical distance of 113 m, which was equivalent to a Fahrböschung of 6°, and covered an area of 0.38 km$^{2}$. Basic post-failure characteristics are described in this study. Dynamic simulation software (DANW) and rheological models were used to simulate the runout behavior of the displaced landslide material, in order to provide information for the hazard zonation of similar types of potential MSW landslides. The simulated results revealed that a combination of the frictional model and Voellmy model is able to provide the best performance in simulating this landslide. Also, the results showed that this landslide had a duration of about 50 s, with a maximum velocity of 22.4 m/s. It was expected that these models and parameters could improve the accuracy of future hazard assessments of areas with geological, topographical, and climatic features similar to the Shenzhen Hong’ao landfill.
Starting Page	1
Ending Page	16
Page Count	16
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	76
Issue Number	1
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-12-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	MSW Long runout Dynamic analysis DANW model Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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