广州科学城平面斜交高层双塔连体结构设计  

Conjoined structural design of a plane oblique twin towers in Guangzhou Science City

作　　者：黄俊聪 王松帆 王维俊 颜文 HUANG Juncong;WANG Songfan;WANG Weijun;YAN Wen(Guangzhou Design Institute Group Co.,Ltd.,Guangzhou 510620,China)

机构地区：[1]广州市设计院集团有限公司,广州510620

出　　处：《建筑结构》2022年第24期13-19,共7页Building Structure

基　　金：广州市建筑集团有限公司科技计划项目资助项目([2021]-KJ020)。

摘　　要：广州科学城超限高层塔楼为A级高度的连体结构,存在扭转不规则、凹凸不规则、复杂连接的不规则情况。设计中采用了基于性能的抗震设计方法,根据结构的重要性提出不同的抗震性能目标,并对结构进行小震弹性分析、小震弹性时程分析、中震性能设计、大震等效弹性分析及动力弹塑性时程分析。分析结果表明,结构整体和各构件的抗震性能均能达到预期目标。对于连接体结构,通过补充分析及多种构造措施加强,确保连接体结构构件满足设定的抗震性能目标。Over-limit high-rise towers building of Guangzhou Science City is linked with connective structures with A-level requirement of height. There are irregularities including irregular torsion, irregular bumpsand and complex connection. The performance-based seismic design method was adopted in the design. Different performance targets were proposed according to the importance of the structure. The elasticity analysis under frequent earthquakes, the elastic time-history analysis under frequent earthquakes, the performance design under fortification earthquakes, the equivalent elasticity analysis under rare earthquakes and elastic-plastic time-history analysis were performed. The analysis results show that the seismic performance of the whole structure and each component can reach the expected target. For connective structures, the supplementary calculation and analysis and various structural measures were used to strengthen the components of connective structures to ensure that all components meet the expected seismic performance targets.

关 键 词：超限高层建筑 塔楼连体结构 平面斜交 抗震性能设计 动力弹塑性分析 

分 类 号：TU375[建筑科学—结构工程]