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本文提出了一种计算软土地基中单桩荷载传递及沉降的实用计算方法——考虑桩压缩性的位移协调法。该方法假定桩的弹性压缩量与桩侧土的位移协调条件,可考虑土的成层特性及桩——土之间的非线性滑移,并针对不同地基土弹性模量、桩长和桩径等进行了单桩荷载传递与沉降分析,且以多根单桩静载荷试验对该方法进行了校核,证明该方法切实可行。
This paper presents a practical calculation method for calculating the load transfer and settlement of a single pile in soft soils. The displacement coordination method considering the compressibility of piles is proposed. This method assumes that the elastic compression of the pile is compatible with the displacement of the soil on the side of the pile. The layered characteristics of the soil and the non-linear slip between the pile and the soil can be considered, and the elastic modulus, pile length, and pile of different foundation soils can be considered. The single-pile load transfer and settlement analysis was carried out on a radial basis, and the method was calibrated using a single pile static load test, which proved that the method is feasible.