光岳楼缩尺模型有限元分析  

FINITE ELEMENT ANALYSIS OF GUANGYUE BUILDING SCALE MODEL

作　　者：辛岩磊 孟昭博[1] XIN Yanlei;MENG Zhaobo(School of Civil Engineering and Architecture,Liaocheng University,Shandong Liaocheng 252000,China)

机构地区：[1]聊城大学建筑工程学院,山东聊城252000

出　　处：《低温建筑技术》2023年第7期109-112,117,共5页Low Temperature Architecture Technology

摘　　要：为探究后续振动台试验中柱脚、柱架层、铺作层的减震规律,文中采用ANSYS有限元软件建立1:4.5的光岳楼缩尺有限元模型,输入El Centro波、Taft波、人工波进行有限元分析,得到柱脚、铺作层上下、屋顶的峰值加速度与加速度放大系数以及铺作层减震比重,从而分析柱架层、铺作层的减震规律;可以得出,随着地震加速度的增强,柱脚、柱架层、铺作层的减震效果越来越明显且铺作层、柱架层层数越高减震效果越明显;随着地震加速度的增强,铺作层的减震比重在减小且第二层铺作层减震比重最小。In order to investigate the seismic reduction laws of column base,column frame layer,and paving layer in subsequent shaking table tests,the ANSYS finite element software is used to establish a 1:4.5 scaled finite element model of Guangyue Building.El Centro wave,Taft wave,and artificial wave are input for finite element analysis to obtain the peak acceleration and acceleration amplification coefficients of column base,upper and lower layers of paving layer,and roof,as well as the seismic reduction specific gravity of paving layer,in order to analyze the seismic reduction laws of column frame layer and paving layer.The results show that with the seismic acceleration in⁃creases,the seismic reduction effectiveness of column base,column frame layer,and paving layer becomes obvious,in which the higher the number of paving layers and column frame layers,the more obvious the seismic reduction effect.As the seismic acceleration increases,the damping ratio of the paving layer decreases,and the damping ratio of the second paving layer is the smallest.

关 键 词：铺作层 减震比重 地震动 

分 类 号：TU311.41[建筑科学—结构工程]