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Model and method of debris flow risk zoning based on momentum analysis
Wei, Fangqiang1,2; Zhang, Yu1,2; Hu, Kaiheng1,2; Gao, Kechang1,2
Corresponding AuthorWei, Fangqiang
2006
Source PublicationWuhan University Journal of Natural Sciences
ISSN1007-1202
Volume11Issue:4Pages:835-839
Abstract

A model of debris flow risk zoning is carried out with momentum analysis of debris flow. This model zones the debris flow inundation fan with density and velocity calculated by numerical simulation. The risk classification standard is determined according to the ultimate bearing capacities of different structures under impacting. And the ultimate bearing capacities are tested by impact failure experiment of destruction. Two structures typical in Chinese mountain towns, reinforced concrete frame construction and brickwork with concrete, are chosen in the experiment. The model makes debris flow risk zoning quantitative and the results comparable widely. The results differ much from that of other methods especially in the identification of medium and low risk zones.

KeywordDebris Flow Risk Zo Ning Momentum Ultimate Bearing Capacity
DOI10.1007/BF02830173
Indexed ByEI
Language英语
Accession numberAccession number: 20063710112102
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20903
Collection成都山地所知识仓储(2009年以前)
山地灾害与地表过程重点实验室
人事与人才处研究生部
Affiliation1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
2.Dongchuan Station of Debris Flow Observation and Research, Chinese Academy of Sciences, Dong chuan 654112, Yunan , China
First 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
Wei, Fangqiang,Zhang, Yu,Hu, Kaiheng,et al. Model and method of debris flow risk zoning based on momentum analysis[J]. Wuhan University Journal of Natural Sciences,2006,11(4):835-839.
APA Wei, Fangqiang,Zhang, Yu,Hu, Kaiheng,&Gao, Kechang.(2006).Model and method of debris flow risk zoning based on momentum analysis.Wuhan University Journal of Natural Sciences,11(4),835-839.
MLA Wei, Fangqiang,et al."Model and method of debris flow risk zoning based on momentum analysis".Wuhan University Journal of Natural Sciences 11.4(2006):835-839.
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