Therefore, it is necessary to study the load transferring mechanism and the design method of pile group foundations.

因此，有必要对群桩基础厚承台的传力机理及设计方法进行研究。

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On the basis of discussing the damage mechanism of cushion cap, a method of optimum design for pile group foundation is put forward in this paper.

在讨论桩基承台破坏机理的基础上，给出群桩基础设计的优化方法。

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In the geotechnical engineering design, it was difficult yet to estimate the settlement of pile - group in the deep soft soil.

深厚软土地基中群桩沉降的预测一直是工程设计中的难点。

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