某超限高层建筑结构关键技术分析与设计  

Analysis and Design of Key Technologies for a High-rise Building Structure beyond the Limit

作　　者：杨卫杰 陆日超 叶茂烜 余楚江 YANG Weijie;LU Richao;YE Maoxuan;YU Chujiang(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：《广东土木与建筑》2024年第4期70-74,共5页Guangdong Architecture Civil Engineering

摘　　要：某超限高层建筑结构采用钢管混凝土叠合柱-钢筋混凝土核心筒结构。主塔楼结构高223.46m,上部楼层设置斜柱,分别进行小震常规分析、大震动力弹塑性时程分析,主体结构达到所设定的C级抗震性能目标,底部加强区剪力墙竖向分布钢筋配筋率提高至0.4%,以满足罕遇地震下,筒体抗震性能要求;本项目进行详细风洞试验,保证结构在强风作用下安全可靠;从PMM曲线分析结果表明,叠合柱可满足压弯承载力,给出了叠合柱的梁柱节点做法大样及加强措施要求;对于上部区域斜柱传力路径分析,通过加强与斜柱相连梁板配筋,以满足斜柱传力要求,为后续工程项目提供有意义参考。A high-rise building structure exceeding the limit adopts a steel tube concrete composite column reinforced concrete core tube structure.The main tower structure has a height of 223.46 meters,and the upper floors are equipped with inclined columns.This article conducts routine analysis of small earthquakes and dynamic elastic-plastic time history analysis of large earthquakes,respectively.The main structure has achieved the set C-level seismic performance target,and the vertical distribution reinforcement ratio of the shear wall in the bottom reinforcement area has been increased to 0.4%to meet the seismic performance requirements of the cylinder under rare earthquakes;This project conducts detailed wind tunnel tests to ensure the safety and reliability of the structure under strong winds.The results of PMM curve analysis indicate that the composite column can meet the compressive and bending bearing capacity,and a detailed sample of the beam column node construction and strengthening measures requirements for the composite column are provided.For the analysis of the force transmission path of the upper inclined column,the reinforcement of the beams and slabs connected to the inclined column is strengthened to meet the force transmission requirements of the inclined column,providing meaningful reference for subsequent engineering projects.

关 键 词：风洞试验 叠合柱 斜柱 性能目标 组合结构 

分 类 号：TU399[建筑科学—结构工程]