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对于低承台摩擦桩基础，在桩－承台－地基土之间存在着复杂的相互作用。这种相互作用与土的类型、柜距、桩数等因素有关，这些因素是如何影响这种作用的，目前还缺乏充分的资料使得在设计中方便地考虑这种作用。为此在实验室进行了不同桩距和桩数的模型桩基础载荷试验，增进了对桩距和桩数这两个因素对于相互作用的影响规律的认识，得出了一些有益的结论。
For the low pile bearing friction pile foundation, there are complex interactions between the pile-seat-foundation soil. This interaction is related to the type of soil, the distance between cabinets, the number of piles, etc. How these factors affect this effect. There is currently insufficient information to allow this effect to be easily considered in the design. For this purpose, the model pile load tests with different pile spacings and pile numbers were carried out in the laboratory to increase the understanding of the influence of the two factors of pile spacing and pile number on the interaction, and some useful conclusions were obtained.