生态边坡植被对土体抗剪强度的影响研究
Study on the Influence of Vegetation on Soil Shear Strength of Ecological Slope
张海洋1
作者信息
- 1. 河南四通建筑劳务有限公司,河南 洛阳 471000
- 折叠
摘要
[目的]工程建设中产生大量的裸坡,需要对边坡进行植被恢复.探究植被对边坡土体的力学性质的影响,可为边坡稳定性评价提供参考.[方法]对研究区的根系和土体进行不同比例的混合,并进行直剪试验.[结果]结果表明:随着含水量的增加,土体的黏聚力呈现降低的趋势,根系能够明显增加土体的黏聚力,土体的内摩擦角也会有一定的提高,提高幅度小于黏聚力增加幅度.[结论]植被能够增强土体抗剪强度,生态护坡对边坡防护具有重要意义.
Abstract
[Purposes]A large number of bare slopes are produced in engineering construction,so it is in-evitable to carry out vegetation restoration on the slope,and explore the influence of vegetation on the me-chanical properties of the slope soil.The research results will provide reference for the evaluation of slope stability.[Methods]Direct shear test was carried out on the mixture of root and soil in different pro-portions in the study area.[Findings]The results showed that with the increase of water content,the co-hesiveness of soil showed a decreasing trend,the root system could obviously increase the cohesiveness of soil,and the internal friction Angle of soil also increased to a certain extent,and the increase range was smaller than the increase range of cohesiveness.[Conclusions]Vegetation can enhance the shear strength of soil,and ecological slope protection is of great significance for slope protection.
关键词
人工边坡/植被效应/根-土复合体/抗剪强度Key words
artificial slope/vegetation effect/root-soil complex/shear strength引用本文复制引用
出版年
2024
NETL
NSTL
维普
万方数据