高耸结构P-Δ效应分析的能量法求解

Solution of P-Δ Effect Analysis of Skyscraping Structures by Energy Method

针对高耸结构在水平荷载和竖向荷载同时作用下水平变位的计算问题,提出了用能量法进行伸臂柱P-Δ效应分析的方法,并利用能量法推导出水平荷载和竖向荷载下伸臂柱柱顶位移的计算公式。与其它方法的比较表明,分析承受复杂荷载的高耸结构的P-Δ效应,能量法是一种有效的方法。

A method of P-Δ effect analysis was proposed by energy method for analyzing large lateral displacements of skyscraping structures under the action of both horizontal and vertical loads.The formula for calculating the displacement of a bending cantilever column under both horizontal and vertical loads was deduced by using energy method.Comparing with other means,the energy method was effective to analyze the P-Δ effects of the skyscraping structures under complex loads.