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Cascading Mechanisms Behind the 2018 Indonesia Sulawesi Earthquake and Tsunami Disasters: Inland/Coastal Liquefaction, Landslides and Tsunami
This keynote paper concisely summarizes some recent research advances on liquefied gravity flows and their consequences, with focus on coastal and submarine landslides-induced tsunamis. The review of large-scale coastal mass movements worldwide highlights the importance of such liquefied sediment flows on tsunami generation. The dynamics of liquefied gravity flows is characterized by the multi-phased physics that involves the phase change process in which the transitory fluid-like particulate sediment reestablishes a grain-supported framework during the course of flowage. The integration of fluid dynamics and soil mechanics approaches is indispensable in order to facilitate a rational prediction of the phenomena concerned. The relevant features and the concept for the analytical framework of the dynamics of liquefied gravity flows are described. The paper then presents and discusses the cascading mechanisms behind the 2018 Indonesia Sulawesi earthquake and tsunami disasters. These will facilitate a better understanding of the richness of the physics involved, and promote multidisciplinary studies for disaster prevention and mitigation.
Cascading Mechanisms Behind the 2018 Indonesia Sulawesi Earthquake and Tsunami Disasters: Inland/Coastal Liquefaction, Landslides and Tsunami
This keynote paper concisely summarizes some recent research advances on liquefied gravity flows and their consequences, with focus on coastal and submarine landslides-induced tsunamis. The review of large-scale coastal mass movements worldwide highlights the importance of such liquefied sediment flows on tsunami generation. The dynamics of liquefied gravity flows is characterized by the multi-phased physics that involves the phase change process in which the transitory fluid-like particulate sediment reestablishes a grain-supported framework during the course of flowage. The integration of fluid dynamics and soil mechanics approaches is indispensable in order to facilitate a rational prediction of the phenomena concerned. The relevant features and the concept for the analytical framework of the dynamics of liquefied gravity flows are described. The paper then presents and discusses the cascading mechanisms behind the 2018 Indonesia Sulawesi earthquake and tsunami disasters. These will facilitate a better understanding of the richness of the physics involved, and promote multidisciplinary studies for disaster prevention and mitigation.
Cascading Mechanisms Behind the 2018 Indonesia Sulawesi Earthquake and Tsunami Disasters: Inland/Coastal Liquefaction, Landslides and Tsunami
Springer Ser.Geomech.,Geoengineer.
Zhang, Jian-Min (editor) / Zhang, Limin (editor) / Wang, Rui (editor) / Sassa, Shinji (author)
The International Conference on Embankment Dams ; 2020 ; Beijing, China
2020-04-21
11 pages
Article/Chapter (Book)
Electronic Resource
English
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