【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。更多还原

【Abstract】 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.更多还原