【摘要】 本文首先介绍了江苏省第一高楼南京新世纪中心顶部钢塔的三维模型的建立 ,然后通过模态分析计算了主体结构和顶部钢塔的动力特性 ,以及二者之间的相互影响。在此基础上采用振型分解反应谱法对钢塔在地震力作用下的响应进行了计算分析 ,并提出该钢塔鞭梢效应的放大系数。更多还原

【Abstract】 The establishment of3D-modal of the steel tower on the top of the tallest building in Jiangsu Nanjing———NewCentury Center is presented in this paper.By modal analysis,dynamic characteristics of the main structure and the steel tower on it and the effect with each other are studied.Based on it.seismic responses under earthquake of the steeltower is calculated and analyzed by using the method of modal analysis and the magnification coefficient of whipˉping effect is suggested.更多还原