Improved calculation method of critical filling height of embankment on soft ground

被引：0
|
作者：
Zhu, Fu [1 ,2 ]
Nie, Lei [1 ]
Zhan, Gao-Feng [1 ,2 ]
Wang, Jing [2 ]
机构：
[1] College of Construction Engineering, Jilin University, Changchun,130026, China
[2] School of Transportation Science and Engineering, Jilin Jianzhu University, Changchun,130118, China
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2015年 / 45卷 / 02期
关键词：
Critical filling height - Effects of consolidations - Intermediate principal stress - Lateral pressures - Road engineering - Soft ground - Theoretical formula - Unified strength theory;
D O I：
10.13229/j.cnki.jdxbgxb201502008
中图分类号：
学科分类号：
摘要：
A new theoretical formula for soft ground bearing capacity is derived. This formula is based the unified strength theory, and the effects of consolidation, intermediate principal stress and the coefficient of lateral pressure are taken into consideration. According to this formula, an improved calculation method of the critical filling height of embankment is proposed. In addition, the calculation method is applied to railway subgrade filling test data to check its feasibility. The calculated results show reasonable good agreement with experiment results. The new formula may be used as the theoretical basis for determining the safe filling height at different phases of railway subgrade works. ©, 2015, Editorial Board of Jilin University. All right reserved.
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页码：389 / 393
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