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.
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Communicated by CHEN Zheng-han
Foundation item: the National Natural Science Foundation of China (59908012)
Biographies: CAI Yuan-qiang (1965≈)
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Yuan-qiang, C., Xu, L. & Shi-ming, W. One-dimensional consolidation of layered soils with impeded boundaries under time-dependent loadings. Appl Math Mech 25, 937–944 (2004). https://doi.org/10.1007/BF02438802
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DOI: https://doi.org/10.1007/BF02438802
Key words
- one-dimensional consolidation
- impeded boundary
- layered soil
- time-dependent loadling
- Laplace transform
- effective stress ratio
- average index method