IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2011  > Vol8 No.2
Analysis on dam-breaking mode of Tangjiashan barrier dam in Beichuan county
Hu Xiewen; Luo Gang; Lv Xiaoping; Huang Runqiu; Shi Yubin
Corresponding AuthorHu, XW
2011-04
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume8Issue:2Pages:354–362
AbstractTangjiashan landslide is a typical highspeed consequent landslide of medium-steep dip angle. This landslide triggered by earthquake took place in about semi-minute. The relative sliding displacement is 900 meters, so average sliding speed is about 30 meters per second. The longitudinal length of barrier dam which is formed by high-speed landslide along river is 803.4 meters; and maximum width crossing river is 611.8 meters. And its volume is estimated about 20.37 million steres. Through detailed geological investigation of the barrier dam, together with early geological information before earthquake, geological structures of the barrier dam and its stability of upstream and downstream slopes are studied when water level reaches different elevations in condition of continual after shocks with seismic intensity of 7 or 8 Richter scale. On this basis, dam-breaking mode of barrier dam is discussed deeply. Thereby, analytic results provide significant guidance and advices to front headquarters of Tangjiashan barrier dam, so that some proper engineering measures can be implemented and flood discharge can be carried out well.
KeywordTangjiashan Barrier Dam High-speed Landslide Blocking River Dam-breaking
Language英语
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5841
CollectionJournal of Mountain Science_Journal of Mountain Science-2011_Vol8 No.2
Recommended Citation
GB/T 7714
Hu Xiewen,Luo Gang,Lv Xiaoping,et al. Analysis on dam-breaking mode of Tangjiashan barrier dam in Beichuan county[J]. JOURNAL OF MOUNTAIN SCIENCE,2011,8(2):354–362.
APA Hu Xiewen,Luo Gang,Lv Xiaoping,Huang Runqiu,&Shi Yubin.(2011).Analysis on dam-breaking mode of Tangjiashan barrier dam in Beichuan county.JOURNAL OF MOUNTAIN SCIENCE,8(2),354–362.
MLA Hu Xiewen,et al."Analysis on dam-breaking mode of Tangjiashan barrier dam in Beichuan county".JOURNAL OF MOUNTAIN SCIENCE 8.2(2011):354–362.
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