摘要
针对高层建筑动力分析中较多采用的层间剪切模型,考虑PΔ效应的影响,推导出多、高层建筑动力分析时修正后的整体刚度矩阵。
Considered the P effect in dynamic analysis of multiple freedom degree system,a revised assemblage stiff matrix was deduced using the idea of hypothetical horizontal load in static analysis.