桩基设计中有两个问题望能明确,以免造成争论和误解。1)当桩承载力用深层荷载板试验、静力触探或经验值确定时,竖向外力是否应包含桩及扩大头上的土自重?2)在基墩有效长度底也可用挖孔桩处,基底承压力特征值与桩底阻力特征值应协调。 There are two problems in the design of pile found that can be clear, so as not to cause controversy and misunderstanding. 1) When the bearing capacity of the pile is determined by the deep-load plate test, static penetration or empirical value, should the vertical external force include the pile and the weight of the soil on the enlarged pile? 2) At the bottom of the effective length of the foundation pier, Department, the base bearing pressure characteristics and bottom resistance characteristics should be coordinated.