IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleAnalysis of Rheological Property of Debris Flow
赵海鑫1,2,3; 游勇1,2; 柳金峰1,2; 刘曙亮1,2,3
Corresponding Author游勇
Source Publication科学技术与工程
Other Abstract采用当前国际最先进的流变测试系统——安东帕第三代Physica MCR301模块化智能型高速流变仪,采用三阶段加载方式,对某泥石流沟原样进行了测试。得到泥石流原样剪切速率同剪切应力之间的关系。提出剪切应力随剪切速率变化的拟合公式。分析了剪切应力随泥石流容重的变化规律。对比分析了不同加载方式下的剪切应力同剪切速度变化规律。实验结果对泥石流流变特性的认识,泥石流动力学参数计算及泥石流工程防治具有重要意义。; The current most advanced rheological testing systems in the world———Anton Paar third generation physica MCR301 module intelligent type high speed rheometer is proposed with the three stages of loading to explore the relationship between shear stress and shear rate of debris flow. Fitting formula of the relationship between shear
stress and shear rate of debris flow is put forward; analysis of the shear stress variation with bulk density of debris flow is put forward; comparison and analysis of the under different loading modes of shear stress with shear velocity variation is put forward. The research findings results could provide a better understanding of the rheological properties of debris flow and the basis of the dynamics parameter of debris flow calculation which has important significance to projects of debris flow prevention.
Keyword泥石流 流变 剪切应力 剪切速率
Subject AreaP642.23
Indexed By北大中文核心
Funding Organization国家科技支撑计划课题(2014BAL05B01) ; 中国科学院重点部署项目(KZZD-EW-05-01-04)
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
赵海鑫,游勇,柳金峰,等. 泥石流流变特性分析[J]. 科学技术与工程,2015,15(27):120-126.
APA 赵海鑫,游勇,柳金峰,&刘曙亮.(2015).泥石流流变特性分析.科学技术与工程,15(27),120-126.
MLA 赵海鑫,et al."泥石流流变特性分析".科学技术与工程 15.27(2015):120-126.
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