| 1. | With the shearing deformation theory and deductive theory , the calculational formulas of flexibility coefficient of the pile head can be obtained . the interaction of the soil elements is calculated according to the layered - soil model . consequently , approximate analytical formulas of the flexibility matrix of piles - soil system , which undertake the vertical loads , come out 采用剪切位移法,利用递推原理导出桩顶柔度系数的计算公式;采用分层地基模型计算土体单元之间的相互作用,从而获得承担竖向荷载桩土支撑体系的柔度矩阵近似解析公式,进而得到桩土支撑体系刚度矩阵。 |