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（1 華建集團(tuán)華東建筑設(shè)計(jì)研究總院， 上海 200002； 2 華東建筑設(shè)計(jì)研究院有限公司， 上海 200041）

［摘要］安邦財(cái)險(xiǎn)深圳總部大廈C-12塔樓結(jié)構(gòu)高度249.2m，屬于超B級(jí)高度的高層建筑。塔樓結(jié)構(gòu)采用鋼管混凝土框架-鋼筋混凝土核心筒結(jié)構(gòu)體系，平面呈橢圓形，立面呈收腰體型。由于用地紅線的限制，外框結(jié)構(gòu)在1～3層樓板收進(jìn)，弧線長(zhǎng)度近58m跨度范圍內(nèi)的豎向構(gòu)件不能落地。介紹了塔樓的結(jié)構(gòu)特點(diǎn)和豎向構(gòu)件不連續(xù)、高位轉(zhuǎn)換等超限情況，對(duì)結(jié)構(gòu)進(jìn)行了多遇地震下的反應(yīng)譜計(jì)算分析、罕遇地震下的彈塑性時(shí)程分析，同時(shí)采用ABAQUS軟件對(duì)斜柱節(jié)點(diǎn)進(jìn)行了應(yīng)力分析。結(jié)果表明，結(jié)構(gòu)和節(jié)點(diǎn)應(yīng)力均可以滿足設(shè)計(jì)要求，通過(guò)采取設(shè)置轉(zhuǎn)換桁架等加強(qiáng)措施，結(jié)構(gòu)可以滿足預(yù)定的抗震性能目標(biāo)。

［關(guān)鍵詞］安邦財(cái)險(xiǎn)深圳總部大廈； 轉(zhuǎn)換結(jié)構(gòu)； 抗震性能化設(shè)計(jì)；  反應(yīng)譜分析； 彈塑性分析

中圖分類號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2020)18-0057-06

Structural design of C-12 tower  of Anbang Property & Casualty Insurance Shenzhen Headquarters Building

ZHAO Kai1, LU Daoyuan1, LU Haichen1, AN Dongya2, HUO Tao2

(1 Arcplus Group PLC East China Architectural Design & Research Institute, Shanghai 200002, China;2 East China Architectural Design & Research Institute Co., Ltd., Shanghai 200041, China)

Abstract:The C-12 tower  of Anbang Property & Casualty Insurance Shenzhen Headquarters Building has structural height of  249.2m, which is a  high-rise building exceeding B-level height requirement of the code. The tower structure adopts the structural system of concrete filled steel tube frame-reinforced concrete core tube, the structural plane is oval, and the elevation is waist-shaped. Due to the limitation of the red line of land use, the outer frame structure is retracted in the 1st~3rd floor slabs, and the vertical members within the span of 58m arc length cannot fall to the ground. The structural characteristics of the tower  were introduced as well as the out-of-code conditions of vertical component discontinuity and high-level conversion. The response spectrum calculation and analysis under frequent earthquakes and elastic-plastic time-history analysis under rare earthquakes were conducted. At the same time, ABAQUS software was used to analyze the stress of the diagonal column joints. The results show that the structure and joints stress can meet the design requirements, and the structure can meet the predetermined seismic performance goals by adopting strengthening measures such as setting conversion trusses.

Keywords:Anbang Property & Casualty Insurance Shenzhen Headquarters Building; conversion structure; performance-based seismic design; response spectrum analysis; elastoplastic analysis

作者簡(jiǎn)介：趙凱，碩士，工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:zk17203@ecadi.com。