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作者:

Gao, Yang (Gao, Yang.) | Yin, Yueping (Yin, Yueping.) | Li, Bin (Li, Bin.) | Wang, Wenpei (Wang, Wenpei.) | Zhang, Nan (Zhang, Nan.) (学者:张楠) | Yang, Chunxu (Yang, Chunxu.) | Zuo, Xiao (Zuo, Xiao.)

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EI Scopus SCIE

摘要:

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 Fahrboschung of 6 degrees, 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.

关键词:

Dynamic analysis DANW model MSW Long runout

作者机构:

  • [ 1 ] [Gao, Yang]Chinese Acad Geosci, Inst Geomech, CGS, Beijing, Peoples R China
  • [ 2 ] [Li, Bin]Chinese Acad Geosci, Inst Geomech, CGS, Beijing, Peoples R China
  • [ 3 ] [Gao, Yang]China Univ Geosci, Beijing, Peoples R China
  • [ 4 ] [Yin, Yueping]CGS, China Inst Geoenvironm Monitoring, Beijing, Peoples R China
  • [ 5 ] [Wang, Wenpei]CGS, China Inst Geoenvironm Monitoring, Beijing, Peoples R China
  • [ 6 ] [Zhang, Nan]CGS, China Inst Geoenvironm Monitoring, Beijing, Peoples R China
  • [ 7 ] [Yang, Chunxu]Beijing Univ Technol, Beijing, Peoples R China
  • [ 8 ] [Zuo, Xiao]Beijing Univ Technol, Beijing, Peoples R China

通讯作者信息:

  • [Li, Bin]Chinese Acad Geosci, Inst Geomech, CGS, Beijing, Peoples R China

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来源 :

ENVIRONMENTAL EARTH SCIENCES

ISSN: 1866-6280

年份: 2017

期: 1

卷: 76

2 . 8 0 0

JCR@2022

ESI学科: ENVIRONMENT/ECOLOGY;

ESI高被引阀值:228

中科院分区:4

被引次数:

WoS核心集被引频次: 28

SCOPUS被引频次: 33

ESI高被引论文在榜: 0 展开所有

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