Correlation Analysis on Frost Heaving Ratio of Subgrade Soil and Plasticity Index under Freeze-thaw Cycles

被引：1

作者：

Liu, Hanbing ^{[1
]}

Wang, Jing ^{[1
]}

Wu, Chunli ^{[1
]}

Feng, Kai ^{[1
]}

机构：

[1] Jilin Univ, Coll Transportat, Changchun 130022, Peoples R China

来源：

ADVANCES IN CIVIL ENGINEERING, PTS 1-6 | 2011年 / 255-260卷

关键词：

Seasonally frozen soil region; freeze-thaw cycles; different plasticity index; frost heaving ratio;

D O I：

10.4028/www.scientific.net/AMR.255-260.1171

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Three kinds of subgrade soils with different plasticity index are selected from seasonally frozen soil region. Frost heaving ratio of volume and height was performed on the samples exposed to 0 to 8 times closed-system freeze-thaw cycles. The results show that concerning the same kind of soil, the frost heaving ratio increases with the number of freeze-thaw cycles; Frost heaving ratio increases with plasticity index under the same number of freeze-thaw cycles. Multiple nonlinear fitting is adopted for test data. The relationship between frost heaving ratio and plasticity index, freeze-thaw cycles is obtained and shows a good correlation. The relation can provide useful reference for subgrade design and construction in seasonally frozen soil region.

引用

页码：1171 / 1175

页数：5

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