Calculation of the Debris Flow Concentration Based on Debris Flow Slurry
详细信息
- 责任者：Chen Ningsheng (Key Laboratory of Mountain Hazard and the Earth’s Surface Processes ; CAS ; Chengdu 610041 ; China) ; Yang Chenglin
- 刊名：Journal of Chengdu University of Technology
- 出版年：2010
- 卷期：37(2)
- 关键词：泥石流 ; debris flows
- 页码：p.168-173
- 图表：1 illus., 3 tables, 15 refs.
- 分类号：1800
- issnNo：ISSN1671-9727
- isbnNo：CN51-1634/N
摘要
This paper presents a method to calculate debris flow concentration in debris flow channel without observation data. The derived formula can use the debris flow slurry concentration and fine grain content to calculate the debris flow concentration, and the upper-limit size diameter of debris flow slurry determines the concentration and the fine grain content. It also puts forward a new method to use the maximal diameter of the debris flow deposit on the cliff as the upper-limit size diameter, and points out the way to determine the debris flow slurry concentration and the fine grain content. The debris flow slurry concentration is mainly determined by the consistency of slurry’s yield stress.