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Semi-analytical solutions to the two-dimensional plane strain consolidation for unsaturated soil with the lateral semi-permeable drainage boundary under time-dependent loading
Computers and Geotechnics ( IF 5.3 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.compgeo.2020.103562
Lei Wang , Yongfu Xu , Xiaohe Xia , Annan Zhou

Abstract 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.

中文翻译:

时变荷载作用下侧向半透排水边界非饱和土二维平面应变固结的半解析解

摘要 利用傅里叶正弦级数展开和拉普拉斯变换,给出了非饱和土二维平面应变固结问题的半解析解,在时效加载下,横向半渗透排水边界(LSDB)是第三个边界,可用于考虑垂直排水管的拖尾效应。然后,提供退化和数值解来验证所提出的解的有效性。最后,描述和分析了涉及 LSDB 和时变加载的固结特性,并显示了固结行为是应用 LSDB 和加载的结果。
更新日期:2020-08-01
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