IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleStudy of gully bed erosion depth of viscous debris flow
赵彦波1,2,3; 游勇1,2; 柳金峰1,2; 陈兴长4
Corresponding Author游勇
Source Publication岩土力学


Other Abstract

Gully bed erosion depth is one of the most important parameters for design of debris flow control works. So far, there are few researches on gully bed erosion depth and there are no good methods for calculating the gully bed erosion depth. How to calculate the gully bed erosion depth is also a technical problem which urgently needs to be solved for debris flow preventing engineering design. The driving forces of viscous debris flow and potential resistance which may take part in the motion are analyzed. And then the calculation formula of the maximum erosion depth is obtained. The formula shows that the erosion depth of gully bed increases with the increasing of depth and density of debris flow, longitudinal slope of gully bed and viscosity of gully bed materials, while decreases with the increasing of internal frictional angle of gully bed materials. Comparing with the existing calculation methods, the formula is based on a strict theoretical derivation, the calculation result is more accurate and can be used to calculate the erosion depth in the occurrence of debris flow area for different frequencies, and provides a technical support for the design of viscous debris flow control works. The practical value of the calculation formula is illustrated.

Keyword黏性泥石流 沟床 冲刷深度 计算方法
Subject AreaP642.23
Indexed ByEI ; CSCD ; 北大中文核心
Funding Organization中国科学院重点部署项目(No.KZZD-EW-05-01-04) ; 国家科技支撑计划课题资助(No.2012BAC06B02)
Accession numberAccession number:20142917947464
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
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
赵彦波,游勇,柳金峰,等. 黏性泥石流沟床冲刷深度研究[J]. 岩土力学,2014,35(6):1751-1755.
APA 赵彦波,游勇,柳金峰,&陈兴长.(2014).黏性泥石流沟床冲刷深度研究.岩土力学,35(6),1751-1755.
MLA 赵彦波,et al."黏性泥石流沟床冲刷深度研究".岩土力学 35.6(2014):1751-1755.
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