摘要
中国传统多高层楼阁式木塔的结构设计和抗震性能持续受到关注。提出楼阁式木塔建模方法,利用某七层唐风木塔振动台模型试验结果验证其有效性,在此基础上开展结构摇摆分量和侧剪分量的变化对传统多高层楼阁式木塔抗震性能的影响分析。结果表明:增加结构的侧剪分量能增强结构的刚度、减小结构在不同地震强度下的位移反应,但同时增大了结构的加速度放大系数和层间剪力;提高结构的摇摆分量会增强结构在强震作用下的非线性反应,随着地震强度的增加,结构下部楼层层间位移角和层架剪力均增大,上部楼层加速度放大系数呈先增大后减小趋势。
The structural design and seismic performance of Chinese traditional multi-story pavilion-style timber pagoda persistently attract researchers'attention.In this paper,a modeling method of pavilion-style timber pagoda was proposed and verified by using the shaking tablet test results of a scaled seven-story Tang-style timber pagoda.Based on it,the influence of structural swing component and lateral shear component on the seismic performance of traditional multi-story timber pagoda was investigated.The results show that increasing the lateral shear component could improve the structural stiffness and decrease the displacement response under different earthquake intensities,and obtain larger acceleration amplification coefficients and inter-story shear force of the structure simultaneously;The increase of the rocking component will lead to higher nonlinear response under high intensity earthquake.With the increase of the excitation intensity,the inter-story drifts and shear forces of lower floors increase and the acceleration amplification coefficients of upper floors increases first and then decreases.
作者
吴亚杰
宋晓滨
WU Yajie;SONG Xiaobin(School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P. R. China;Department of Structural Engineering, Tongji University, Shanghai 200092, P. R. China)
出处
《土木与环境工程学报（中英文）》
CSCD
北大核心
2022年第2期107-118,共12页
Journal of Civil and Environmental Engineering
基金
上海市科委重点项目(13231201700)。
关键词
楼阁式木塔
抗震性能
摇摆分量
侧剪分量
建模方法
pavilion-style timber pagoda
seismic performance
rocking component
racking component
modelling method
作者简介
吴亚杰(1991-),男,博士,副教授,主要从事现代和传统木结构研究,E-mail:yajiewu@xauat.edu.cn;通信作者:宋晓滨,男,博士,教授,博士生导师,E-mail:xiaobins@tongji.edu.cn。
