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(廣東省建筑設計研究院，廣州510010)

［提要］建筑在造型上的不斷創(chuàng)新，空間構成的變化，使得結(jié)構設計理念發(fā)生了重大變革，特別是中庭空間的出現(xiàn)和底部空間的變化對結(jié)構的實現(xiàn)提出了更高的要求，要求結(jié)構形式不斷創(chuàng)新。廣東省博物館新館為滿足建筑方案對空間的要求，采用了鋼桁架對挑懸掛結(jié)構這一種較為新穎的結(jié)構體系。結(jié)合廣東省博物館新館結(jié)構設計，介紹了該結(jié)構形式的結(jié)構布置特點，工程結(jié)構設計中內(nèi)置鋼管混凝土剪力墻、矩形鋼管混凝土桁架、內(nèi)置加氣混凝土樓板及減振措施等關鍵技術。就設計方案的選取、計算軟件的選取、設計中致力解決的問題和一些新技術的采用等提出了一些看法，以供交流。

［關鍵詞］大跨度懸掛結(jié)構；結(jié)構布置；計算分析；構件選型；新技術

Key Techniques of Structure Design in Guangdong Province Museum/Chen Xing, Wang Hualin, Li Na (The Architectural Design and Research Institute of Guangdong Province, Guangzhou 510010, China)

Abstract:The unceasing model innovation and spatial constitution change lead to renovation in the structural design concept, especially the appearance of atrium space and the base stories space call for more critical requirement to structural engineers as well as innovative structural systems. For satisfying the architect"s spatial request, a unique structure system, large span overhang steel trusses with suspension floor, is adopted in Guangdong Province Museum. The structural arrangement, some key points in the design including schemes selection, analysis software selection, the problems to be solved during design and the application of new technique, are mentioned briefly. Some views about suspension structure are proposed for exchange.

Keywords: large span suspension structure; structural arrangement; computation analysis; component selection; new technique