支盘桩是钻孔灌注桩的一 种异形桩。 本文根据支盘桩的原体试验资料，深入分析了支盘桩竖向荷载的传递机理，分析了此类桩在 竖向荷载的作用下桩的侧摩阻力和桩端阻力的发挥过程，以及支、盘在桩的受力过程中发挥 的作用，从而指导支盘桩桩身的设计，提供了预估此类桩承载力的方法。%Cast-in-pl ace pile with branches & plates is a spe cial-shaped drilled cast-in-place pile．B ased on the comprehensive pile test resu lts，this paper is intended to serve the understanding of load transferring chara cteristics and change process of skin fr iction and end resistance of pile with b ranches & plates as well as the function s of branches and plates under vertical load．The understanding of these principl es is considered to be essential foundat ion upon which the design of pile body a nd estimation of ultimate bearing capaci ty of this kind of pile are built．
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