IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleStudy on the Impact Rule of Viscous Debris Flow to Check Dams
于献彬1,2; 陈晓清2; 王道正2; 李昆2; 王飞2; 王小军2
Corresponding Author陈晓清
Source Publication人民黄河
Other Abstract



Debris flow impact force is the main reason for the damage of the check dams. Studying on the impact law of debris flow to check dams plays a great significance in preventing the impact damage of check dams and providing data and technical support for check dams structural design. Many influencing factors for debris flow impact force exist with different influencing magnitudes. The three main factors of debris flow slurry density,drainage channel slope and imported deep mud of the drainage channel were selected to be analyzed. The purpose of the study was to analyze the influencing degree of the three factors. Three levels were set for each factor and nine text schemes were estab-lished based on the theory of orthogonal experimental design,what was more,the related numerical simulations were carried on. Taken the maximum impact force of key point as the evaluation index and the test results were analyzed in detail by extreme difference analysis and vari-ance analysis. Finally,the numerical simulation for the dynamic response of check dams under the impact of debris flow and massive stones were conducted. The research results indicate that among the three factors,the drainage channel slope has the most significant influence,the imported deep mud of the drainage channel is in the second place and the debris flow slurry density is the third. Debris flow slurry has an im-pact effect to the whole check dam,however,the massive stone has an impact effect only to the partial check dam.

Keyword拦砂坝 泥石流冲击力 正交试验设计 动力响应
Subject AreaP642.23
Indexed By北大中文核心
Funding Organization“十二五”国家科技支撑计划项目(2014BAL05B01) ; 中国科学院重点部署项目(KZZD-EW-05-01)
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Document Type期刊论文
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
于献彬,陈晓清,王道正,等. 黏性泥石流浆体对拦砂坝冲击规律研究[J]. 人民黄河,2017,39(3):37-44.
APA 于献彬,陈晓清,王道正,李昆,王飞,&王小军.(2017).黏性泥石流浆体对拦砂坝冲击规律研究.人民黄河,39(3),37-44.
MLA 于献彬,et al."黏性泥石流浆体对拦砂坝冲击规律研究".人民黄河 39.3(2017):37-44.
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