梁兴文
    (西安建筑科技大学  710055)

[提要]  用底部剪力法计算带屋面突出物的高层建筑的水平地震力。对于屋面突出物，给出了有别于主结构的地震影响系数；对于主结构，考虑了突出物对其地震力的影响。方法简便实用。
[关键词]  底部剪力法 屋面突出物 主结构

The horizontal seismic forces of tower-building coupled system are calculated by the seismic base shear method. The seismic-response factor for tower part atop tall building is presented, which is different from that of main-structure, and the effect of tower part on seismic force for main-structure is considered. This method is simple, practical, which could be used in aseismic design of such structure.
Keywords: tower buliding; coupled vibration; seismic; base-shear method