GIS技术支持下的滑坡涌浪灾害分析研究

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Abstract Impulsive wave generated by landslide is a complex and dynamic process，wave propagation overly extended the dangerous range of landslide. Landslide impulsive wave simulation adopted wave dynamic model is hot in relative field in foreign，which can efficiently simulate long wave propagation problems. In this paper，the authors introduce wave dynamic model and form fast assessing system for tsunamis generated by geo-hazard(FAST) supported by GIS technology. FAST is made up of pre-processing module，simulation module，and post processing module，which can calculate impulsive wave according to the type of landslide failure，and can intuitively display water elevation change condition of point，line，surface and volume. It has characteristics of manageability，high efficiency and visibility. The paper takes Maocaopo landslide in Wu Gorge of Three Gorges Reservoir for example，and forecast impulsive wave generated by this landslide，verifying the feasibility and utility of FAST. The simulation result shows that the maximum wave amplitude is 25 m，the maximum run-up height is 12.5 m，and after landslide failure 444.5 s，a 2.5 m run-up wave will arrive in Wushan County. This soft offer a new analysis method and visualization platform for early warning and risk assessment work on geo-hazard impulsive wave in reservoir.

Key words： engineering geology wave dynamic mechanic landslide impulsive wave fast assessing system for tsunamis generated by geo-hazard(FAST) Three Gorges Reservoir Maocaopo landslide

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	Articles by authors
	HUANG Bolin1
	2
	YIN Yueping2
	3
	WANG Shichang1
	LIU Guangning1
	CHEN Xiaoting1

Cite this article:

HUANG Bolin1,2,YIN Yueping2, et al. LANDSLIDE IMPULSIVE WAVE HAZARD STUDY SUPPORTED BY GIS TECHNOLOGY[J]. , 2013, 32(s2): 3844-3851.

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https://rockmech.whrsm.ac.cn/EN/Y2013/V32/Is2/3844

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