Study on Stress-strain Behavior of Cohesive Soil Mixing with Gravel by Triaxial Test

被引:0
|
作者
Wang, Yuanlong [1 ,2 ]
Zhu, Jungao [1 ,2 ]
Zhou, Jianfang [3 ]
机构
[1] Hohai Univ, Minist Educ Geomech & Embankment Engn, Key Lab, Nanjing 210098, Jiangsu, Peoples R China
[2] Hohai Univ, Geotech Res Inst, Nanjing 210098, Jiangsu, Peoples R China
[3] Water Conservancy Bureau Danyang City, Danyang 212302, Peoples R China
来源
TRENDS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 446-449卷
关键词
Cohesive soil mixing with gravel; triaxial test; shear strength;
D O I
10.4028/www.scientific.net/AMR.446-449.1573
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The mechanical behaviors of a cohesive soil mixing with gravel were investigated in consolidated-drained triaxial tests. Three soils with different percentages of gravel mixed with the cohesive soil, i.e. 50%, 75% and 87.5%, were tested, and the inference of gravel percentage to the stress-strain behavior is investigated. The results indicate that the shear strength of the soil increases with the increase of gravel percentage. Compared to peak strength of GP50, that of GP75 and GP87.5 increases by 14.4%similar to 32.8% and 20.9%similar to 40.5%. The initial and secant Young's modulus of the soil increases significantly when the gravel percentage is greater than 75%.
引用
收藏
页码:1573 / +
页数:2
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