Based on the loading test data on multi-type-pile composite subgrade,stress of pile tips and stress of soil among piles are measured. The behavior of piles and soil in the multi-type-pile composite subgrade with load has also been analyzed. The results may give some help to the devlopment of design and practice of its new type composite subgrade.%通过多桩复合地基室内模型载荷试验，观测了多桩复合地基中桩土的应力分配关系，并分析了多桩复合地基中的桩及桩间土的受力特性，为多桩复合地基的进一步研究与工程实践提供了依据。
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