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（北京市建筑設(shè)計(jì)研究院有限公司, 北京 100045）

［摘要］湘江財(cái)富金融中心T1塔樓結(jié)構(gòu)高度324m，T2塔樓結(jié)構(gòu)高度255m，兩座塔樓均為超限高層，建筑要求由結(jié)構(gòu)外框柱形成巨型斜交網(wǎng)格，結(jié)合幕墻變化達(dá)到建筑設(shè)計(jì)立面效果。結(jié)構(gòu)設(shè)計(jì)結(jié)合建筑特點(diǎn)采用了較復(fù)雜的多重抗側(cè)力結(jié)構(gòu)體系，通過多種計(jì)算程序?qū)Y(jié)構(gòu)整體進(jìn)行了彈性和彈塑性計(jì)算分析、結(jié)構(gòu)抗震性能化設(shè)計(jì)、外框柱穩(wěn)定分析、關(guān)鍵節(jié)點(diǎn)有限元分析等，主體結(jié)構(gòu)能達(dá)到設(shè)定的性能目標(biāo)要求，結(jié)構(gòu)體系具有有效的耗能機(jī)制和良好的抗震性能。

［關(guān)鍵詞］超高層建筑； 巨型斜交網(wǎng)格； 多重抗側(cè)力； 抗震性能化設(shè)計(jì)； 穩(wěn)定分析

中圖分類號(hào)：TU318， TU973文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)18-0063-07

Structural design of T1 and T2 super high-rise towers of Xiang Jiang Fortune Finance Center

Yao Li, Cheng Eryan, Wu Caihong, Li Huafeng, Cui Yi, Xu Bin, Lei Xiaodong

(Beijing Institute of Architectural Design, Beijing 100045, China)

Abstract:Xiang Jiang Fortune Financial Center comprises two out-of-code high-rise buildings, of which T1 Tower has structure height of 324m, and T2 tower of 255m. In order to achieve the facade effect of architectural design, a huge oblique crossing lattice is needed to form by the outer frame of the structure, and the facade effect of the building design can be achieved by combining the change of the curtain wall. Combined with architectural features, the structural design adopts complex multiple lateral force resisting structural system. The elastic analysis and elastic-plastic analysis, the structural performance-based seismic design, stability analysis of outer framed columns and finite element analysis on key node were conducted on the whole structure according to multiple calculation programs. The main structure can meet the performance requirements of fortification goal, and the structural system has effective energy dissipation mechanism and good seismic performance.

Keywords:super high-rise building; huge oblique crossing lattice; multiple lateral force resisting; performance based seismic design; stability analysis

作者簡(jiǎn)介：姚莉，碩士，高級(jí)工程師，Email：yaoli@biad.com.cn。