青島國際貿(mào)易中心結(jié)構(gòu)設(shè)計(jì)
何鑫，張俏，張國慶，毛偉中
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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］青島國際貿(mào)易中心由3棟超高層建筑和裙房組成，塔樓采用鋼筋混凝土框架-核心筒結(jié)構(gòu)體系，強(qiáng)度及變形由風(fēng)荷載控制。為減小框架柱截面，22層及以下樓層的框架柱采用鋼骨混凝土。詳細(xì)介紹了青島國際貿(mào)易中心A塔結(jié)構(gòu)設(shè)計(jì)，包括地基基礎(chǔ)、上部結(jié)構(gòu)設(shè)計(jì)及節(jié)點(diǎn)構(gòu)造。采用SATWE，ETABS軟件對(duì)多遇地震作用下的結(jié)構(gòu)構(gòu)件強(qiáng)度、剛度、整體穩(wěn)定性進(jìn)行分析驗(yàn)算，最后補(bǔ)充了結(jié)構(gòu)在罕遇地震作用下的靜力彈塑性（Pushover）分析。分析結(jié)果顯示，工程整體抗側(cè)性能較好，扭轉(zhuǎn)影響較小，能滿足“小震不壞、中震可修、大震不倒”的三個(gè)水準(zhǔn)，結(jié)構(gòu)在風(fēng)荷載作用下是安全的。［關(guān)鍵詞］超高層建筑; 框架-核心筒結(jié)構(gòu); 靜力彈塑性分析; 抗震; 抗風(fēng)中圖分類號(hào)：TU318 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)18-0025-05
Structural design of Qingdao International Trade CenterHe Xin, Zhang Qiao, Zhang Guoqing, Mao Weizhong(Beijing Institute of Architectural Design, Beijing 100045, China)Abstract: Qingdao International Trade Center is composed of three super high-rise buildings and relevant podium. The tower building adopts reinforced concrete frame-core wall structural system, the strength and deformation of the tower are controlled by wind load. In order to reduce the cross-sections of frame columns, steel reinforced concrete columns are used in 22th floor and below. The structural design of the A tower in Qingdao International Trade Center was introduced, including the foundation design, the upper structure design and the structural details for nodes. The strength, stiffness and overall stability of the structural members were analyzed and checked under the frequent earthquake using programs of SATWE and ETABS. The static elastic-plastic (Pushover) analysis of the structure under rare earthquake was supplemented. The analysis results show that the overall lateral-resistance performance of the project is good with little torsion effect. The structure can meet the three seismic levels of "not damage under the frequent earthquake, repairable under the fortification earthquake and not collapse under the rare earthquake". And the structure is safe under the wind load action.Keywords: super high-rise building; frame-core wall structure; static elastic-plastic analysis; seismic resistance; wind resistance
作者簡介：何鑫，碩士，工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：hexin0917@126.com。
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