干湿循环和根系直径对红黏土崩解特性影响研究
Effects of Dry and Wet Cycle and Root Diameter on Disintegration Characteristics of Red Clay
许桂蔚1
作者信息
- 1. 长沙理工大学土木工程学院,湖南 长沙 410114
- 折叠
摘要
垂柳具有根系发达、易存活以及生态效益好等诸多优点,同时还有着良好的观赏性.所以其应用范围较广,特别是在工程建设的弃土堆填以及垃圾填埋场中更是发挥出了重要作用.为了能够掌握垂柳根系对红黏土崩解特性的影响,更好地发挥出垂柳护坡的作用,收集已经种植一年的垂柳根系,并制作成为根土复合体,根系含量为0.4%,根系的直径为1 mm和2 mm.然后对试样进行3次干湿循环后,再进行崩解试验.通过试验可以发现,根系对土体的抗崩解性的提升有一定作用,伴随着干湿循环次数的增加,根土复合体的崩解速率就越快,小直径的根系提升的抗崩解效果更加明显.
Abstract
Weeping willow has many advantages,such as well-developed root system,easy survival and good ecological benefits,and also has good ornamental value.Therefore,it has a wide range of applications,especially in the construction of waste landfills and landfills has played an important role.In order to grasp the influence of the root system of weeping willow on the disintegration characteristics of red clay,the role of weeping willow can be better played.The roots of drooping willow that had been planted for one year were collected and made into root-soil complex with root content of 0.4% and root diameter of 1 mm and 2 mm.Then,the sample was subjected to 3 dry and wet cycles,and then disintegration test was carried out.Through the test,it can be found that the root system has a certain effect on the improvement of the soil disintegration resistance.With the increase of the number of dry and wet cycles,the disintegration of the root-soil complex will be faster,and the resistance analysis of the root system with small diameter will be more obvious.
关键词
根系直径/崩解特性/垂柳/红黏土Key words
root diameter/disintegration characteristics/weeping willows/red clay引用本文复制引用
出版年
2024
NETL
NSTL
万方数据