Two different raft analysis theories, namely, plate theory and thick raft theory, are also introduced in the paper.
本文还分别介绍了两种采用不同假设的筏板计算理论：薄板理论和厚板理论。
The governing equations of the raft are obtained based on the thin plate theory and the virtual work principle.
筏板的控制方程由薄板理论和虚位移原理得到。
The raft rigidity directly affected by the dimensions of the board, however, were neglected in the traditional analyzing of substratum settlement except of the elasticity theory method.
除弹性理论法外，其它常用的设计和分析方法几乎都没有考虑筏板刚度对下卧层沉降的调节作用。
If this type raft foundation still is analyzed with the classical theory of thin plate, the limitation is obvious.
对于这类桩筏基础，若仍然采用经典的薄板理论进行分析，就存在一定的局限性。
During the design of pile-raft foundation, there still exist many problems because the research on theory of piles' load-transfer mechanism is far behind the development of practice.
目前由于桩基荷载传递机理还没有完全研究清楚，桩筏基础设计无论在理论上还是在实际上都存在某些不合理的地方。
Based on the consolidated finite layer theory, the analysis method of the nonlinear interaction on pile group-soil-raft considering soil consolidation is built in the study.
基于固结有限层的考虑提出了土体固结的桩-土-承台非线性共同作用分析方法。
At last the law of reciprocity of the pile and soil of the soft soil ground treated by pile-raft structure are obtained, which validates and enriches current theory of the CFG pile composite ground.
最后得出了CFG桩筏结构处理软土地基的桩土相互作用的相关规律，验证并丰富了当前CF G桩复合地基理论。
At last the law of reciprocity of the pile and soil of the soft soil ground treated by pile-raft structure are obtained, which validates and enriches current theory of the CFG pile composite ground.
最后得出了CFG桩筏结构处理软土地基的桩土相互作用的相关规律，验证并丰富了当前CF G桩复合地基理论。
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