- 摘 要
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（1 華東建筑設計研究總院， 上海 200002； 2 上海超高層建筑設計工程技術研究中心， 上海 200002）
［摘要］南京金鷹天地廣場由三棟高度均超過300m的超高層塔樓在200m左右的高空經(jīng)6層結構連接形成，是目前全世界在建的高度最高、連接體跨度最大的非對稱剛性連體結構。介紹了該項目的主要結構體系，研究空中連接體與主塔樓的耦合效應影響，對超高層連體結構的動力特性進行分析，提出關于結構扭轉與剛度突變問題的相關設計建議。結合風洞試驗，研究了該結構體系的風荷載特性。對空中連接體及特殊構件及節(jié)點的性能化設計與構造進行闡述。研究表明，超高層連體結構的動力特性和抗震性能與普通超高層結構有較大的區(qū)別，現(xiàn)行規(guī)范的部分相關規(guī)定與計算方法對于這種特殊的結構形式并不適用。提出了一些針對超高層連體結構的分析方法和設計建議，解決了工程中的技術難題。
［關鍵詞］超高層建筑； 連體結構； 動力特性； 抗震性能； 風荷載； 鋼結構節(jié)點
中圖分類號：TU973+.3文獻標識碼：A文章編號：1002-848X(2019)07-0015-07
Analysis and design of super high-rise three-tower connected structure of Nanjing Golden Eagle Tiandi Plaza
Liu Mingguo1,2, Jiang Wenwei1,2, Yu Qi1,2
（1 East China Architectural Design & Research Institute, Shanghai 200002, China；2 Shanghai Engineering Research Center of Super High-Rise Building Design, Shanghai 200002, China)
Abstract:Nanjing Golden Eagle Tiandi Plaza consists of three super high-rise towers with a height of more than 300m and connected by six-story structures at an altitude of about 200m. It is an asymmetric rigid connected structure with the highest height and the largest span in the world under construction. The main structural system of the project was introduced, and the coupling effect between the connected structure and the main towers was studied, and the dynamic characteristics of the super high-rise connected structure were analyzed, and some design suggestions were put forward on the torsion and stiffness mutation of the structure. Combining with wind tunnel test, the wind load characteristics of the structural system were studied. The performance-based design and construction of connected structure and special components and joints were described. The results show that the dynamic characteristics and seismic performance of super high-rise connected structures are quite different from those of ordinary super high-rise structures. Some relevant provisions and calculation methods in current codes are not applicable to this special structural form. Some analysis methods and design suggestions for super high-rise connected structures are put forward to solve the technical problems in engineering.
Keywords:super high-rise building; connected structure; dynamic characteristic; seismic performance; wind load; steel structural joint
作者簡介：劉明國，碩士，高級工程師，一級注冊結構工程師，Email:mingguo_liu@ecadi.com。
