IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleLoading and stability analyses of viscous debris flow check dam
孙昊1,2,3; 游勇1,2; 柳金峰1,2; 林雪平1,2,3
Source Publication中国科学院大学学报
Contribution Rank1
Other AbstractAs a counter measure,check dam has been constructed widely because of its obvious advantages. Stability analysis is one of the most important contents in engineering designs of a check dam. Based on analysis of loading combination in this work,a mathematical expression of stability coefficient has been reduced when reservoir of check dam has or has not a deposition. The expression shows a decreasing variation in stability coefficient basically in intercepting process. Through the contrastive analyses of different working conditions of check dam,the results show that check dam having a deposition in reservoir is more dangerous than that harving no deposition,when intercepting earlier arrays of debris flow. The thicker the deposition behind check dam is the more dangerous. Finally the relationship between stability and upstream slope of check dam has been discussed. The results indicate that the effect of upstream slope of check dam decreases when intercepting debris flow continuously. Then a fold-line shaped upstream slope of check dam,which is gentle in the downside and steep in the upside,is suggested for engineering design.
Keyword黏性泥石流 拦沙坝 荷载组合 稳定性分析
Indexed ByCSCD
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Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author游勇
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding 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
孙昊,游勇,柳金峰,等. 黏性泥石流拦沙坝受力及稳定性分析[J]. 中国科学院大学学报,2018,35(5):635-644.
APA 孙昊,游勇,柳金峰,&林雪平.(2018).黏性泥石流拦沙坝受力及稳定性分析.中国科学院大学学报,35(5),635-644.
MLA 孙昊,et al."黏性泥石流拦沙坝受力及稳定性分析".中国科学院大学学报 35.5(2018):635-644.
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