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Real-time monitoring and FEMLIP simulation of a rainfall-induced rockslide
Li, Zhaohua1; Tao, Zhigang1; Jiang, Yuanjun2; Lv, Qian1; Darve, Felix3; He, Manchao1
Corresponding AuthorJiang, Yuanjun(yuanjun.jiang.civil@gmail.com)
2019-01-21
Source PublicationNATURAL HAZARDS AND EARTH SYSTEM SCIENCES
ISSN1561-8633
Volume19Issue:1Pages:153-168
AbstractRockslides are a common and devastating problem affecting mining and other engineering activities all over the world; consequently, there have been many studies into their prediction and prevention. This study focused on a recent rockslide in an open-pit mine in Liaoning Province, China. The stability of the rock slope under excavation and rainfall conditions was monitored using an efficient real-time monitoring system. A further numerical analysis was performed using the finite element method with Lagrangian integration points (FEMLIP), and two forms of the normalized global second-order work were calculated to analyze the stability of the rock slope. In fact for the future it would be very interesting to compare measurements and simulations in real time, and not only to develop back computations after failure. The numerical results indicate that the rock slope remained stable during excavation, yet lost stability after subsequent rainfall. Water infiltration, along with a major geological discontinuity, degraded the strength of the weak zone and induced the rockslide. The monitoring approach presented its robustness and generality, and was worth being generalized. The numerical approach proposed the evolution of the safety factor, the monitoring data were compared, and the mechanism of the rockslide was determined. It could be used as an assistant tool for disaster prediction.
DOI10.5194/nhess-19-153-2019
Indexed BySCI
WOS KeywordELASTO-PLASTIC MODEL ; FAILURE ; GEOMATERIALS ; SLOPE ; LANDSLIDES ; STABILITY ; CRITERION ; FLOW
Language英语
Funding ProjectNational Natural Science Foundation of China[41502334] ; Institute of Mountain Hazards and Environment[SDS-135-1705] ; Institute of Mountain Hazards and Environment[SDS-135-1704]
WOS Research AreaGeology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000456303800002
Funding OrganizationNational Natural Science Foundation of China ; Institute of Mountain Hazards and Environment
PublisherCOPERNICUS GESELLSCHAFT MBH
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/24946
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorJiang, Yuanjun
Affiliation1.China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Sichuan, Peoples R China
3.Grenoble Alpes Univ, UMR 5521, Grenoble CNRS, 3SR, Grenoble, France
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
Li, Zhaohua,Tao, Zhigang,Jiang, Yuanjun,et al. Real-time monitoring and FEMLIP simulation of a rainfall-induced rockslide[J]. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,2019,19(1):153-168.
APA Li, Zhaohua,Tao, Zhigang,Jiang, Yuanjun,Lv, Qian,Darve, Felix,&He, Manchao.(2019).Real-time monitoring and FEMLIP simulation of a rainfall-induced rockslide.NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,19(1),153-168.
MLA Li, Zhaohua,et al."Real-time monitoring and FEMLIP simulation of a rainfall-induced rockslide".NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 19.1(2019):153-168.
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