| Numerical modelling of the long runout character of 2015 Shenzhen landslide with a general two-phase mass flow model | |
Qiao, Cheng1,2,3,4 ; Ou, Guoqiang1,2; Pan, Huali1,2
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| Corresponding Author | Pan, Huali(hlpan@imde.ac.cn) |
| 2019-07-01 | |
| Source Publication | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
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| ISSN | 1435-9529 |
| EISSN | 1435-9537 |
| Volume | 78Issue:5Pages:3281-3294 |
| Subtype | Article |
| Abstract | High fluid content or pore-fluid pressure is generally the main reason for the triggering and high mobility of landslides. A catastrophic landslide occurred at Hongao construction waste dumpsite in the Guangming New District of Shenzhen, China, on Dec 20, 2015. Due to the high water content of soil in the source area, this landslide propagated over an extremely long travel distance, with maximum length and width of the affected area 1100m and 630m, respectively. High water content pesents a great challenge to numerical methods. In order to simultaneously include the evolution of the solid and fluid components in the mixture, a general two-phase mass flow model of Pudasaini (J Geophys Res 117: F03010, 2012) has been employed in our simulations. The complex interactions between the solid and fluid phases, including buoyancy, the virtual mass force, generalized drag and enhanced non-Newtonian viscous stress, are considered in this two-phase flow model. These are essential aspects in the motion of landslides consisting of viscous fluid and solid particles. Based on the actual geology and engineering conditions, runout characteristics of the Shenzhen landslide were analyzed numerically. The principal reasons for the long runout character and the inundation are discussed based on the physics-based model and high-resolution numerical results. |
| Keyword | Shenzhen landslide Long runout Two-phase mass flow model Pore-pressure Buoyancy force r.avaflow |
| DOI | 10.1007/s10064-018-1329-z |
| Indexed By | SCI |
| WOS Keyword | PORE-PRESSURE GENERATION ; GRAIN-SIZE ; MOBILITY ; MOTION |
| Language | 英语 |
| Quartile | 3区 |
| Funding Project | National Key R&D Program of China[2017YFC1502502] ; National Key R&D Program of China[2017YFC1502506] ; National Nature Science Foundation of China[41672318,51679229,41372331] ; 135 Strategic Program of the Institute of Mountain Hazards and Environment, CAS ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2018405] |
| TOP | 否 |
| WOS Research Area | Engineering ; Geology |
| WOS Subject | Engineering, Environmental ; Engineering, Geological ; Geosciences, Multidisciplinary |
| WOS ID | WOS:000471237400017 |
| Funding Organization | National Key R&D Program of China ; National Nature Science Foundation of China ; 135 Strategic Program of the Institute of Mountain Hazards and Environment, CAS ; Youth Innovation Promotion Association of the Chinese Academy of Sciences |
| Publisher | SPRINGER HEIDELBERG |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imde.ac.cn/handle/131551/23506 |
| Collection | 山地灾害与地表过程重点实验室 |
| Corresponding Author | Pan, Huali |
| Affiliation | 1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China 2.Chinese Acad Sci, Key Lab Mt Surface Proc & Hazards, Chengdu 610041, Sichuan, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Anhui Univ Sci & Technol, Huainan 232001, Peoples R China |
| First Author Affilication | 中国科学院水利部成都山地灾害与环境研究所 |
| Corresponding Author Affilication | 中国科学院水利部成都山地灾害与环境研究所 |
| Recommended Citation GB/T 7714 | Qiao, Cheng,Ou, Guoqiang,Pan, Huali. Numerical modelling of the long runout character of 2015 Shenzhen landslide with a general two-phase mass flow model[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2019,78(5):3281-3294. |
| APA | Qiao, Cheng,Ou, Guoqiang,&Pan, Huali.(2019).Numerical modelling of the long runout character of 2015 Shenzhen landslide with a general two-phase mass flow model.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,78(5),3281-3294. |
| MLA | Qiao, Cheng,et al."Numerical modelling of the long runout character of 2015 Shenzhen landslide with a general two-phase mass flow model".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 78.5(2019):3281-3294. |
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| Qiao2019_Article_Num（5327KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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