Journal
COMPUTERS AND GEOTECHNICS
Volume 124, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2020.103562
Keywords
Two-dimensional plane strain consolidation; Unsaturated soil; Semi-analytical solution; Semi-permeable drainage boundary; Time-dependent loading; Laplace transform
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Funding
- National Natural Science Foundation of China [41630633, 41807232, 41877211, 51768041]
- National Key Research AMP
- Development Program of China [2019YFC1509800]
- China Postdoctoral Science Foundation [2018M640389]
- Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety [R201904]
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Using Fourier sine series expansion and Laplace transform, semi-analytical solutions for the two-dimensional plane strain consolidation problem of unsaturated soils are presented subjected to time-dependent loading with the lateral semi-permeable drainage boundary (LSDB), which is the third boundary and can be used to consider the smear effect of the vertical drain. Then, degenerated and numerical solutions are provided to verify the validity of the proposed solutions. Finally, the consolidation property involving the LSDB and time-dependent loading is depicted and analyzed, and the consolidation behavior is shown to result from the application of the LSDB and loading.
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