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(廣東省建筑設(shè)計(jì)研究院，廣州510010)

［提要］為達(dá)到建筑效果，廣東省博物館新館結(jié)構(gòu)上利用建筑的豎向交通區(qū)域設(shè)置內(nèi)置鋼管混凝土剪力墻作為結(jié)構(gòu)的抗側(cè)構(gòu)件和豎向承重構(gòu)件，在剪力墻頂部設(shè)置大跨度的懸臂鋼桁架。通過(guò)在桁架上設(shè)置豎向吊桿懸吊外圍展廳和中庭回廊，并在外圍設(shè)置空間構(gòu)架作為建筑外墻的主支撐骨架。為了盡可能使結(jié)構(gòu)布置簡(jiǎn)潔、受力合理、施工方便，設(shè)計(jì)時(shí)對(duì)結(jié)構(gòu)布置不斷進(jìn)行優(yōu)化，確保在有效的結(jié)構(gòu)布置前提下進(jìn)行結(jié)構(gòu)設(shè)計(jì)。

［關(guān)鍵詞］大跨度懸掛結(jié)構(gòu)；內(nèi)置鋼管混凝土剪力墻；鋼管混凝土預(yù)應(yīng)力桁架；吊桿；樓蓋；構(gòu)造措施

Structural Arrangement and Optimization of Guangdong Province Museum/Wang Hualin, Li Na, Chen Xing, Luo Chiyu (The Architectural Design and Research Institute of Guangdong Province, Guangzhou 510010, China)Abstract:In order to reflect the intention of the architectural scheme, the lateral force resisting system and vertical loads supporting system are established in the vertical transportation region with shear wall tubes embedded with CFST columns, then the tubes are crowned with the long span overhang steel trusses, the vertical bars are suspended from the trusses to support the exhibition hall"s floors and the quadrangle winding corridors, space frames are set up on the perimeter supporting the walls on the elevations. The architecture surface effect realizes with crown the bracket steel truss, winding corridor and constructs the periphery space frame skeleton on the outer wall. Optimization design is done to achieve simpler structural arrangement, more reasonable internal force distribution and greater convenience in construction.

Keywords: long span overhang structure; concrete-filled steel tubular column embedded shear-wall; concrete-filled steel tubular pre-stressed truss; suspension bar; ceiling structure; structure measure