本文提出了分析土-基础-结构共同作用问题的一种新的模型，使土-基础介面条件得到了比较简洁而且统一的处理，在IBM个人计算机上开发了相应问题的分析程序。

This paper proposes a new model to analyse soil-foundation-structure interaction problems. The interface conditions between soil and foundation are consistently and concisely dealt with in the model.

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