Distribution of Stochastic Blocks in Slopes Based on Joint Density
详细信息
- 责任者：Song Lijuan (State Key Laboratory of Geohazard Prevention and Geoenvironment Protection ; Chengdu University of Technology ; Chengdu 610059 ; China) ; Xu Mo
- 刊名：Journal of Chengdu University of Technology
- 出版年：2013
- 卷期：40(4)
- 关键词：裂隙岩体 ; crack rocks ; 边坡稳定性 ; slope stability
- 页码：p.468-473
- 图表：10 illus., 2 tables, 12 refs.
- 分类号：1702
- issnNo：ISSN1671-9727
- isbnNo：CN51-1634/N
摘要
The spatial distribution location of the stochastic blocks consisting of joints is uncertain because of the randomness and nonuniformity of joints developing in space.This makes the construction of slope supporting more difficult.This paper studies the stability of the spandrel groove internal slope of some large hydropower in the southwest area,determines the types and boundary conditions of the stochastic blocks in the slope by using stereographic projector and SASW software,while,draws the linear density contour map of the preferred planes composed of stochastic blocks by Suffer software and reasonably divides it into a high density area,medium density area and low density area.Based on the divisions,the paper determines the positions of the stochastic blocks,predicts the unstable regions of the blocks that may occur in the construction process and provides a forcast for appropriate support measures timely,for example,shotcrete-bolt support,concrete lining,and so on.
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