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（青島騰遠(yuǎn)設(shè)計事務(wù)所有限公司， 青島 266100）
［摘要］青島環(huán)球金融中心1#，2#塔樓屋頂結(jié)構(gòu)高度分別為162-9，162-4m，均為超A級高度的超限高層建筑，采用大底盤雙塔樓框架-核心筒結(jié)構(gòu)。在結(jié)構(gòu)設(shè)計中對整體結(jié)構(gòu)體系及構(gòu)件布置進(jìn)行優(yōu)化，使之具有良好的抗震性能。采用性能化設(shè)計方法，除保證結(jié)構(gòu)在小震下處于彈性階段外，還補充了主要構(gòu)件在中震、大震作用下的性能要求。采用SAUSAGE軟件進(jìn)行動力彈塑性分析，保證了結(jié)構(gòu)大震不倒。通過概念設(shè)計及計算結(jié)果，對關(guān)鍵構(gòu)件進(jìn)行了適當(dāng)加強。通過以上措施，結(jié)構(gòu)抗震性能目標(biāo)能夠達(dá)到C級，結(jié)構(gòu)可行并且是安全的。
［關(guān)鍵詞］青島環(huán)球金融中心； 超限； 框架-核心筒； 大底盤雙塔樓； 抗震性能化設(shè)計； 動力彈塑性分析
中圖分類號：TU973，TU318文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2016)18-0012-06
Structural design on No.1 and No.2 towers of Qingdao World Financial Center
Sun Shaodong, Li Na, Li Jianfeng, Hu Haitao, Huang Tao
(Qingdao Tengyuan Design Institute Co., Ltd., Qingdao 266100，China)
Abstract:The structural height of roofs for No. 1 and No. 2 towers of Qingdao World Financial Center is 162-9，162-4m respectively, which are out-of-code high-rise buildings whose height exceeds the height requirement of A-level of the code. Frame-corewall structure with large base and twin towers was adopted. In the structural design, the overall structural system and component layout were optimized, so that it can have a good seismic performance. Performance-based design method was adopted to ensure that the structure was in elastic stage under frequent earthquake, and the method also added the performance requirements of main components under fortification and rare earthquakes. SAUSAGE software was used to conduct the dynamic elastic-plastic analysis to ensure that the structure would not collapse under rare earthquake. Based on the concept design and calculation results, the key components were properly strengthened. Through above measures, the structural seismic performance objective can reach C-level, and the structure is feasible and safe.
Keywords:Qingdao World Financial Center; out-of-code; frame-corewall; twin towers with large base; performance-based seismic design; dynamic elastic-plastic analysis
作者簡介：孫紹東，碩士，高級工程師，一級注冊結(jié)構(gòu)工程師，Email：69610987@163.com。
