扭转体型高层建筑结构受力性能分析
引用文献：
周建龙 邱介尧 包联进 钱鹏 孙战金 何冰冰. 扭转体型高层建筑结构受力性能分析[J]. 建筑结构，2022，48（10）：89-95，147.
ZHOU Jianlong QIU Jierao BAO Lianjin QIAN Peng SUN Zhanjin HE Bingbing. Analysis on mechanical performance of torsional high-rise building structure[J]. Building Structure，2022,48（10）：89-95，147.
摘要：随着高层及超高层建筑的不断发展，出现了扭转体型的结构。在承受荷载作用时，扭转体型结构受力与常规结构有较大的不同。搜集了国内外已经建成的扭转体型高层建筑结构的案例，并按照结构实现方式对其进行了分类。选择最具代表性的框架-核心筒结构体系作为研究对象，分析了扭转体型高层建筑结构的受力特点。对此类扭转结构独有的楼层附加扭矩产生原因进行了讨论，并提出变角度扭转框架-核心筒结构的附加扭矩计算公式。通过建立一系列的数值分析模型，从结构整体和构件受力两个层面对典型的扭转体型高层建筑结构在竖向重力荷载及水平地震作用下的受力性能进行了较为全面的分析。
关键词：扭转体型结构；超高层建筑；受力性能；附加扭矩
基金：十三五国家重点研发计划项目(2018YFC0705800);“上海超高层建筑设计工程技术研究中心”建设项目(14DZ2252800)。
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[3] 周定，韩建强，杨汉伦，等.广州塔结构设计[J].建筑结构，2012,42(6):1-12.
[4] 马晖，吕海双，罗承师，等.深圳前海世茂金融中心塔楼结构设计及分析[J].建筑结构，2015,45(24):58-65.
[5] 江北新金融中心一期项目A(5#)地块超限高层建筑抗震设计可行性论证报告[R].上海：华东建筑设计研究院有限公司，2020.
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[10] 克拉夫，彭津.结构动力学 [M].王光远等，译.2版.北京：高等教育出版社，2013.
Analysis on mechanical performance of torsional high-rise building structure
Abstract: With the continuous development of high-rise and super high-rise buildings, torsional structure appeared. When subjected to load, force bearing of the torsional structure is quite different from the conventional structure. The cases of torsional high-rise building structure built in China and abroad were collected and classified according to the structural realization method. The most representative frame-core tube structure system was selected as the research object, and the force characteristics of torsional high-rise building structure were analyzed. The causes of floor additional torque unique to such torsional structure were discussed, and the additional torque calculation formula of variable-angle torsion frame-core tube structure was proposed. Through the establishment of a series of numerical analysis models, the mechanical performance of typical torsional high-rise building structure under vertical gravity load and horizontal earthquake were comprehensively analyzed at the overall structure and component stress level.
Keywords: torsional structure; super high-rise building; mechanical performance; additional torque
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