21m跨粮仓预应力拱板屋盖的仓内预制及就位  

IN-DEPOT PREFABRICATION AND POSITIONING OF 21m-SPAN GRAIN DEPOT PRESTRESSED ARCH SLAB ROOF

作　　者：桑谦[1] 李铁东[1] 

机构地区：[1]河南工业职业技术学院,河南南阳473009

出　　处：《建筑技术》2010年第12期1081-1083,共3页Architecture Technology

摘　　要：封丘国家粮食储备库扩建工程1号、2号仓屋盖系统采用先张法预应力带肋钢筋混凝土拱板,由于现场无室外预制场地,故利用仓内地面作为拱板制作场地,起重机进入仓内吊装就位,节省了场地,缩短了工期及构件养护、吊装时间,拱板质量良好。Roof system of No.1 and 2 depots of National Grain Reserve Store of Fengqiu County adopts pretensioned and prestressed ribbed-steel concrete arch slab. There is no outdoor prefabrication area on the construction site, the floor of depot is used for casting arch slabs and the arch slabs are hoisted and positioned by crane in the depot. The construction area is saved, periods for component curing and hoisting shortened, and high-quality arch slab guaranteed.

关 键 词：粮库 预应力拱板 暖棚养护 

分 类 号：TU757[建筑科学—建筑技术科学]