于家堡宝龙国际中心3#楼超高层结构分析  

Analysis on super high-rise structure of Powerlong International Center 3# building in Yujiapu

作　　者：陈学义 陈志华[1] 姜玉挺 Chen Xueyi;Chen Zhihua;Jiang Yuting(School of Civil Engineering, Tianjin University, Tianjin 300072, China;Tianjin Powerlong Jinjun Real Estate Development Co., Ltd., Tianjin 300450, China;Northeast Electric Power Design Institute Co., Ltd. of China Power Engineering Consulting Group, Changchun 130022, China)

机构地区：[1]天津大学建筑工程学院,天津300072 [2]天津宝龙金骏房地产开发有限责任公司,天津300450 [3]中国电力工程顾问集团东北电力设计院有限公司,长春130022

出　　处：《建筑结构》2018年第11期32-37,共6页Building Structure

基　　金：国家自然科学基金(61272264)

摘　　要：于家堡宝龙国际中心3#楼主体结构采用钢管混凝土框架-钢筋混凝土核心筒-伸臂桁架结构体系,存在多项超限。采用SATWE及MIDAS Gen两种有限元软件对结构进行基本静动力性能分析,各项指标均满足相关规范要求。采用7条时程曲线对结构进行弹性时程分析,对振型分解反应谱法进行补充校核。结果表明,弹性时程分析结果与振型分解反应谱法结果基本一致。采用3条时程曲线对结构进行弹塑性时程分析,结构各项指标均满足规范要求,表明结构可以满足＂大震不倒＂的抗震性能目标。采用MIDAS Gen软件对结构进行施工过程模拟,主要分析结构的竖向变形特性。在变形的各个组成成分中,结构自重以及外荷载引起的变形起主要作用,核心筒与外部框架柱最大竖向变形差为3.14mm。The main structure of Powerlong International Center 3 # building in Yujiapu adopts the form of concrete-filled steel tubular column frame,reinforced concrete corewall and outriggers structure,and there are a number of out-of-code items. Two kinds of finite element software SATWE and MIDAS Gen were used to analyze the static and dynamic performance of the structure,and all indexes meet the requirements of the relevant specifications. Seven time-history curves were used to carry out the elastic time-history analysis,which was the supplement and check of the mode-superposition response spectrum method. The calculation results indicate that the elastic time-history analysis results were almost the same as the results of mode-superposition response spectrum method. Three time-history curves were used to carry out the elastic-plastic time-history analysis of the structure and all indicators meet the specification requirements,so the structure could satisfy the seismic fortification target of＂no collapsing under the rare earthquake＂. MIDAS Gen software was used to simulate the construction process,and the vertical deformation characteristics were mainly analyzed. In the components of deformation,the deadweight of the structure and the external load had main effects. The maximum vertical deformation difference between the corewall and the outer frame column was 3. 14 mm.

关 键 词：基本性能分析 动力时程分析 施工过程模拟 变形特性分析 

分 类 号：TU398[建筑科学—结构工程]