某水利枢纽厂房基坑开挖渗透变形评估

ROCK AND SOIL MECHANICS(2007)

Cited 7|Views6
No score
Abstract
在对渗流评估方法进行一定探讨的基础上,对某水利枢纽工程坝址区厂房基坑开挖进行了渗透变形评估。结果表明,在坝轴线方向上,无防渗墙时坡面土体在渗透力的作用下是不稳定的,有防渗墙时坡面水力坡降降到0.05以下。在砂卵砾石层与基岩的交界处仍存在略大的水力坡降(值为0.56),如有水在细砂层、砾质中粗砂层渗出,则有可能出现渗流失稳,但总的说来由于防渗墙使水力坡降已降到很小,出现流土和管涌失稳的可能性不大。
More
Translated text
Key words
seepage deformation, hydraulic gradient, foundation pit excavation, impervious wall
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined