The Influences of Freeze-Thaw Cycles on the Shear Strength of Expansive Soil Treated with Ionic Soil Stabilizer

被引：17
|
作者：
Wang, Fenghua [1 ]
Xiang, Wei [1 ]
Corely, T. [2 ]
Yeh, Tian-Chyi Jim [2 ]
Yuan, Yuefeng [3 ]
机构：
[1] China Univ Geosci, Inst Engn, Wuhan, Hubei, Peoples R China
[2] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ 85721 USA
[3] China Univ Geosci, Inst Geophys & Geomat, Wuhan, Hubei, Peoples R China
来源：
SOIL MECHANICS AND FOUNDATION ENGINEERING | 2018年 / 55卷 / 03期
关键词：
D O I：
10.1007/s11204-018-9525-1
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A study of the shear strength of expansive soil treated with ionic soil stabilizer during freeze-thaw cycles is presented. The shear strength of treated expansive soil is greater than that of untreated expansive soil at room temperature, and it is evident that the moisture content plays a leading role in this result. After a freeze-thaw cycle the shear strength changes little for untreated soil, but decreases gradually after ionic soil stabilizer treatment. Shear strength reaches the lowest values after seven freeze-thaw cycles. Finally, the influence of freeze-thaw cycles on the porosity of expansive soil is analyzed using scanning electron microscopy, which shows that the porosity of both treated and untreated soil increases with the number of freeze-thaw cycles, although porosity of the treated sample changes little.
引用
收藏
页码：195 / 200
页数：6
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