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（同濟(jì)大學(xué)建筑設(shè)計(jì)研究院（集團(tuán)）有限公司， 上海 200092）

［摘要］西交利物浦大學(xué)太倉(cāng)校區(qū)教學(xué)核心區(qū)整體呈圓環(huán)形，圓環(huán)下部有Y形河流穿過，通過設(shè)置抗震縫將三處大跨結(jié)構(gòu)與整體結(jié)構(gòu)分離，避免大跨結(jié)構(gòu)對(duì)相鄰標(biāo)準(zhǔn)教學(xué)區(qū)域產(chǎn)生影響?？绾拥来罂缃Y(jié)構(gòu)地上3層，結(jié)構(gòu)高度14.96m，結(jié)構(gòu)最大跨度約38.8m。通過借鑒橋梁結(jié)構(gòu)及以往類似項(xiàng)目經(jīng)驗(yàn)，采用頂部斜拉式大跨多層鋼框架結(jié)構(gòu)體系。重點(diǎn)闡述了結(jié)構(gòu)體系選型和優(yōu)化過程，并詳細(xì)介紹了結(jié)構(gòu)分析與設(shè)計(jì)過程中的技術(shù)要點(diǎn)。研究結(jié)果表明，頂部斜拉式大跨多層鋼框架結(jié)構(gòu)體系在采取適當(dāng)?shù)姆治黾皹?gòu)造措施的情況下，結(jié)構(gòu)傳力途徑明晰、受力合理，同時(shí)能達(dá)到較好的建筑效果。

［關(guān)鍵詞］大跨結(jié)構(gòu)； 鋼框架結(jié)構(gòu)； 結(jié)構(gòu)選型； 頂部斜拉

中圖分類號(hào)：TU398-7文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)01-0006-07

Analysis and design of a top-cable-stayed large-span multi-storey steel frame structure

DING Zhuhong

(Tongji Architectural Design （Group） Co., Ltd., Shanghai 200092, China)

Abstract:The teaching core area of Taicang campus of Xi′an Jiaotong-Liverpool University has a circular ring shape as a whole. There is a Y-shaped river passing through the lower part of the ring. Three large-span structures are separated from the whole structure by setting seismic joints, avoiding the influence of large-span structure on adjacent standard teaching area. The large-span structure crossing rivers has three floors above ground. The height of the structure is 14.96m, and the maximum span is about 38.8m. By learning from the bridge structure and previous experience of similar projects, the top-cable-stayed large-span multi-storey steel frame structure system was adopted. The selection and optimization process of structural system were emphasizesd and the technical points in the process of structural analysis and design were introduced in detail. The results show that the top cable-stayed large-span multi-storey steel frame structure system can achieve a better construction effect with a clear and reasonable force transmission path under the condition of appropriate analysis and construction measures.

Keywords:large-span structure; steel frame structure; selection of structure system; top-cable-stayed

作者簡(jiǎn)介：丁祝紅，碩士，工程師，Email:32dzh@tjadri.com。