虹橋搜候商務(wù)廣場(chǎng)復(fù)雜連體結(jié)構(gòu)設(shè)計(jì)
李亞明，張良蘭，石碩，潘其健
- 摘 要
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（上海建筑設(shè)計(jì)研究院有限公司， 上海 200041）
［摘要］以虹橋搜候商務(wù)廣場(chǎng)復(fù)雜連體結(jié)構(gòu)為背景，闡述其連接體的主要設(shè)計(jì)理念和設(shè)計(jì)內(nèi)容。該項(xiàng)目連接體數(shù)量多、造型復(fù)雜、體量大，其中3個(gè)位于低位、3個(gè)位于高位，受力復(fù)雜。設(shè)計(jì)中在天橋兩端設(shè)置鉛芯橡膠支座，通過(guò)支座隔震使主樓達(dá)到各自受力的目的，既簡(jiǎn)化了連接體傳力路徑，又減輕了其對(duì)主體結(jié)構(gòu)的不利影響。為提高連接體在大震下的安全儲(chǔ)備，在支座兩端設(shè)置防跌落裝置。常規(guī)荷載及小震作用下，取獨(dú)立模型進(jìn)行計(jì)算，并考慮支座的彈性剛度；大震作用下，取整體模型進(jìn)行彈塑性時(shí)程分析，以評(píng)估支座的隔震效果及變形情況，為支座構(gòu)造的設(shè)計(jì)提供數(shù)值依據(jù)。通過(guò)對(duì)連接體進(jìn)行豎向和水平荷載作用下的變形分析、受力分析及舒適度分析，驗(yàn)證了結(jié)構(gòu)各項(xiàng)性能指標(biāo)均能滿足規(guī)范的要求，隔震支座的隔震效果明顯，支座構(gòu)造能夠滿足結(jié)構(gòu)變形的要求，表明該結(jié)構(gòu)設(shè)計(jì)合理有效。［關(guān)鍵詞］虹橋搜候; 連體結(jié)構(gòu); 鉛芯橡膠支座; 舒適度分析中圖分類號(hào)：TU973 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2016)07-0001-05
Design of complex connective structure of Hongqiao SOHO Business PlazaLi Yaming, Zhang Lianglan, Shi Shuo, Pan Qijian（Shanghai Institute of Architectural Design and Research Co., Ltd., Shanghai 200041, China）Abstract: The main design concept and content of connective bodies of complex connective structure of Hongqiao SOHO Business Plaza were illustrated. The connective bodies with complex shape and big size were designed in the project. Three of them lie in low floors and the others lie in high floors with complicated mechanical conditions. Lead rubber bearings are adopted on both ends of footbridge in design. Through bearing isolation, the main building can achieve the purpose of separated bearing mechanism, which not only simplifies the transmission path of the connective body, but also reduces the adverse effect on the main structure. In order to improve the safety reserve of the connective body under the rare earthquake, the anti-dropping device is arranged at the both ends of the bearing. Under conventional loads and frequent earthquakes, independent model is adopted to calculate, and the elastic stiffness of bearing is considered; under the rare earthquakes, the overall model is adopted for elastic-plastic time-history analysis to evaluate the bearing isolation effect and the deformation, which provides numerical basis for the design of the bearing structure. Through the deformation analysis, mechanical analysis and comfort analysis of the connective body under the vertical and horizontal loads, each performance index of the structure is verified to meet the specification requirements. The isolation effect of the isolation bearing is obvious and the bearingstructure can meet the structural deformation requirements, which shows that the structural design is reasonable and effective.Keywords: Hongqiao SOHO; connective structure; lead rubber bearing; comfort analysis
通訊作者：張良蘭，碩士，高級(jí)工程師，Email：zhangll@siadr.com.cn。
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