高耸悬臂结构在随机地震力激励下的响应

RESPONSE OF HIGHRISE CANTILEVER STRUCTURE UNDER THE EXCITATION OF RANDOM EARTHQUAKE FORCES

本文应用弹性地震力理论,将高耸悬臂结构作为连续弹性体系,对随机地震力(可视为白噪声无频率特征的人工地震波)激励下的响应进行了分析,并求得了结构在微幅振动下响应(位移、弯矩、剪力)的均方值和最大值。

This paper applies the elastic earthquake force theory to analyze the response of highrise cantilever structure which is regarded as continuous homogeneous clastic system under the excitation of random earthquake forces which are supposed to be artifical earthquake wave with white noise and no characteristic of frequency,and evaluate the mean square value and the maximum value of response including dis- placement, moment and shear, which the structure is under micro-amplitude vibration.