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；
With the shearing deformation theory and deductive theory, the calculational formulas of flexibility coefficient of the pile head can be obtained.
以理论力学瞬心概念为基础，结合结构力学位移法，提出了一种计算斜杆刚度系数的简易方法———瞬心法。
A new way to calculate the stiffness factor of the slope bar in structural mechanics based on the method of instant center in mechanics of theory is presented.
同时，计算出了两种体系的位移风振系数，比较分析了等效静力法和时程分析法的计算结果。
In addition, this paper also calculates the displacement wind vibration of two systems, and compares the result of the equivalent static force method and the time domain analysis method.
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