现代建设的新型楼盖结构体系_徐金声.pdf

37 6 　　　 2007 6 徐金声　薛立红 王三瑾 　 (　 100013) (　 100835) [] 　、、 。()6 ～12m :、, 。8.4m×8.4m , 、 。 [] 　　　　　　　 1 1 2 New Structural Floor System of Modern Buildings Xu Jinsheng , Xue Lihong , Wang Sanjin (1 China Academy of uilding Research, eijing 100013, China;2 The Architectural Society of China, eijing 100835,China) Abstract:The technical characteristics related to design and construction of reinforced concrete and prestressed concrete structural floor systems in modern buildings are concluded.Three types of prestressed concrete structural floor systems including waffle slabs, hollow slabs and sandwich plates used in multi-storey and high-rise buildings with large span (or column grid)6 ～12m are mainly introduced.Some economicanalysis data of variety structural floors with 8.4m×8.4m span is also provided.At last, recommendations related tohow tominimize the depth of structural concrete slab and reduce the self- weight of structural floor are offered. Keywords:prestressed concrete;waffle slabs;hollow slabs;sandwich plates;economic analysis;depth of structural layer; depth of structural concrete slab 0　 (), 1。 。 , 6m, , , 。 , ; , : 。 [6, 7] [9-11] 、 。 : (1)《》(G 50096—1999)(2003 ) 、(), “ 2.8m”, ≥2.4m, 0.4m。 (2)、 ()6 ～ 12m , ( ),3.1～ 3.2m ; 1　 (0.4m), 3.5 ～ 　 3.6m, 2.7m, (), 0.4～0.5m。() 12m , , , ; 0.4～0.5m 。 , 。“ 1