大直径桩承载力与沉降关系的探讨

Study on the relationship between the bearing capacity and settlement of large-diameter pile

针对自平衡法计算大直径长桩承载力不妥之处,提出一种新的计算方法,该方法提出了桩底沉渣对桩承载力及位移的影响,比较合理地阐明了桩土体系三阶段的作用机理,说明了承载力与沉降的关系。

In view of the shortages of self-balancing method in bearing capacity calculation of large-diameter pile one new calculation method is proposed, which is good to elaborate the relationship between bearing capacity and settlement. The influences of bottom sediment to the bearing capacity and displacement of pile are analyzed. In the end the mechanisms of pile-soil system in three stages are elaborated.