ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS

Applied Mathematics and Mechanics (English Edition) ›› 2004, Vol. 25 ›› Issue (8): 937-944.

ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS

蔡袁强¹, 梁旭^1,2, 吴世明¹

1. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, P. R. China;
2. Hangzhou Construction Committee, Hangzhou 310027, P. R. China

收稿日期:2002-11-20 修回日期:2004-04-09 出版日期:2004-08-18 发布日期:2004-08-18
基金资助:
the National Natural Science Foundation of China(59908012)

ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS

CAI Yuan-qiang¹, LIANG Xu^1,2, WU Shi-ming¹

1. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, P. R. China;
2. Hangzhou Construction Committee, Hangzhou 310027, P. R. China

Received:2002-11-20 Revised:2004-04-09 Online:2004-08-18 Published:2004-08-18
Supported by:
the National Natural Science Foundation of China(59908012)

摘要/Abstract

摘要： On the basis of Terzaghi’s one-dimensional consolidation theory, the variation of effective stress ratio in layered saturated soils with impeded boundaries under time-dependent loading was studied. By the method of Laplace transform, the solution was presented. Influences of different kinds of cyclic loadings and impeded boundaries conditions were discussed. Through numerical inversion of Laplace transform, useful illustrations were given considering several common time-dependent loadings. Pervious or impervious boundary condition is just the special case of the problem considered here. Compared with average index method,the results from the method illustrated are more accurate.

关键词: one-dimensional consolidation, impeded boundary, layered soil, time-dependent loadling, Laplace transform, effective stress ratio, average index method

Abstract: On the basis of Terzaghi’s one-dimensional consolidation theory, the variation of effective stress ratio in layered saturated soils with impeded boundaries under time-dependent loading was studied. By the method of Laplace transform, the solution was presented. Influences of different kinds of cyclic loadings and impeded boundaries conditions were discussed. Through numerical inversion of Laplace transform, useful illustrations were given considering several common time-dependent loadings. Pervious or impervious boundary condition is just the special case of the problem considered here. Compared with average index method,the results from the method illustrated are more accurate.

Key words: one-dimensional consolidation, impeded boundary, layered soil, time-dependent loadling, Laplace transform, effective stress ratio, average index method

中图分类号:

TU470

蔡袁强;梁旭;吴世明. ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(8): 937-944.

CAI Yuan-qiang;LIANG Xu;WU Shi-ming. ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS[J]. Applied Mathematics and Mechanics (English Edition), 2004, 25(8): 937-944.

参考文献

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ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS

ONE-DIMENSIONAL CONSOLIDATION OF LAYERED SOILS WITH IMPEDED BOUNDARIES UNDER TIME-DEPENDENT LOADINGS

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