摘要
核心筒的平面形式对其抗震性能有着较大的影响,但目前的研究主要集中在矩形平面形式,缺乏对其他平面形式核心筒的研究。本文以深圳某Z字形平面的实际工程为例,探究Z形核心筒两侧的凸出比例和水平静力荷载的施加角度对核心筒抗震性能的影响。结果表明,凸出比例和荷载角度对Z形核心筒的抗震性能均有较大的影响:①两侧凸出比例在区间(0,1/9]的Z形核心筒,其极限承载力和变形能力要明显优于其他比例区间,建议在建筑设计时采用;②两侧凸出比例在区间(1/9,1/3]的Z形核心筒,可探究消能减震装置对其性能的改善及相应的减震优化机制;③在特定的加载角度区间内(具体数值与凸出比例有关),Z形核心筒的抗震性能较差,且最不利荷载角度为0°。
The plane form of core wall has great influence on its seismic behavior.However,current research mainly focuses on the square plane form,ignoring other plane form of core wall.Based on the core wall in plane form Z of a building in Shenzhen,the influence of the proportion of the bulge part and the applied angle of hydrostatic load on the seismic behavior of the core wall is studied.The results indicate that both of them have big impact on the seismic behavior of the core wall in plane form Z.①It is suggested that the proportion of the bulge part between 0 and 1/9,including 1/9,should be adopted by the architecture designers,because its ultimate bearing capacity and deformation capacity are obviously superior to other proportional intervals.②The exploration of improvements with energy dissipation device and better optimization mechanism can be carried out for the proportion of the bulge part between 1/9 and 1/3,including 1/3.③Within the specific loading angle range which is related to the protrusion ratio,the seismic performance of the core wall in plane form Z is poor,especially at 0 degrees.
作者
陈俊德
林超伟
周云
Chen Junde;Lin Chaowei;Zhou Yun(School of Civil Engineering,Guangzhou University,Guangzhou 510006,China)
出处
《建筑科学》
CSCD
北大核心
2019年第9期6-11,共6页
Building Science
关键词
Z形核心筒
凸出比例
加载角度
抗震性能
core wall in plane form Z
proportion of the bulge part
load angle
seismic behavior
作者简介
陈俊德(1993-),男,硕士,联系方式,jundechen@163.com
