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本文讨论了考虑饱和土壤固结效应的结构-土壤相互作用问题。利用子结构分析技术,将结构静力凝聚到与饱和土壤交界的界面上,建立结构-土壤体系变形-渗流过程的控制方程及相应边界和排水条件。文中给出了用于隐式-隐式逐步积分过程的改善的交错迭代求解方案及算法。本文工作巳在微机程序SACESS-J上实现。数值例题表明了结构变形和饱和土壤固结过程之间的藕合效应。
This paper discusses the structural-soil interaction problem that takes into account the consolidation effect of saturated soils. Using the substructure analysis technique, the structure was statically condensed to the interface with the saturated soil, and the equations of the deformation-percolation process of the structure-soil system, and the corresponding boundary and drainage conditions were established. An improved staggered iterative solution scheme and algorithm for the implicit-implicit stepwise integration process is given in this paper. This work is implemented on the microcomputer program SACESS-J. Numerical examples illustrate the coupling effects between structural deformation and saturated soil consolidation processes.