IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleExperimental investigation on overtopping failure of landslide dams with different conditions of compactness
赵高文1,2; 姜元俊1; 乔建平1; 孟华君3; 杨宗佶1
Corresponding Author赵高文
Source Publication岩石力学与工程学报
Contribution Rank1
Other AbstractTwo types of indoor flume experiments on the breaching process of the dams in loose and dense conditions respectively were carried out to study the influence of compactness on the mechanism of overtopping erosion of landslide dams.The experimental results show that the compactness has a significant effect on the process of overtopping erosion of landslide dams.Under the loose condition,the dam body suffers mainly from surface erosion,gully erosion,lateral erosion and undercut erosion,while the effect of headward erosion is very limited.The breach flow rate rises and drops fast and the dunes are formed when the dam-breaching is close to completion.The breach side is mainly subjected to shear failure in such a situation.Under the dense condition,multiple over falls and scour pit are formed and the effect of headward erosion is obvious.With the development of headcut erosion,the breach flow transforms from the non-weir flow to broad weir flow and then to practical weir flow.When the multiple over falls merged into a single upstream migrating head cut,the reverse swirling flow is formed which accelerates the failure of dam body.The breach side is mainly subjected to gravitational collapse under such a condition.
Keyword边坡工程 滑坡 堰塞坝 泥石流 漫顶侵蚀
Indexed ByEI ; CSCD
EI Accession NumberAccession number:20183605772022
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Affiliation1.中国科学院水利部成都山地灾害与环境研究所,四川 成都 610041;
2.中国科学院大学,北京 100049;
3.中国地质科学院地质力学研究所 国土资源部新构造运动与地质灾害重点实验室,北京 100081
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
赵高文,姜元俊,乔建平,等. 不同密实条件的滑坡堰塞坝漫顶溃决实验[J]. 岩石力学与工程学报,2018,37(6):1496-1505.
APA 赵高文,姜元俊,乔建平,孟华君,&杨宗佶.(2018).不同密实条件的滑坡堰塞坝漫顶溃决实验.岩石力学与工程学报,37(6),1496-1505.
MLA 赵高文,et al."不同密实条件的滑坡堰塞坝漫顶溃决实验".岩石力学与工程学报 37.6(2018):1496-1505.
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