Average degree of consolidation in normally consolidated soil considering the change of coefficient of consolidation with time

被引：0
|
作者：
Kim, Suknam [1 ]
Heydinger, Andrew G. [2 ]
机构：
[1] Land Research Institute, Korea Land Corporation, 217 Jeongja-Dong Pundang, Sungnam, Kyunggi 463-755, Korea, Republic of
[2] Department of Civil Engineering, University of Toledo, Toledo, OH 43606-3390, United States
来源：
Electronic Journal of Geotechnical Engineering | 2004年 / 9 E卷
关键词：
Finite element method - Mechanical permeability - Numerical analysis - Pore pressure - Soil mechanics - Stress analysis;
D O I：
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中图分类号：
学科分类号：
摘要：
The coefficient of consolidation changes during the consolidation. A numerical analysis using the finite element method was performed for the prediction of the average degree of consolidation taking the coefficient of consolidation as a variable during the consolidation analysis. An equation for the coefficient of consolidation is derived and an equation for the relation between the coefficient of permeability and the effective stress is presented. These equations are used for the numerical analysis of the average degree of consolidation. The results by the numerical analysis are compared with the results by experiment and the results calculated using the equations of Sivaram and Swamee (1977) and Terzaghi. The effect of the size of loading for the average degree of consolidation is also discussed. © 2004 ejge.
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