吊篮施工_PPT.ppt

1、in which we have developed our knowledge and learn our skills.,恶劣气候下我们的施工设备经受了考验,NRS 公司的挂蓝，MSS造桥机，LG预制拼装系统以其高效，经济闻名于世，我们已经为全世界各地300多座大型桥梁提供了施工设备。,挪威NRS公司,挪威NRS公司以其丰富的经验为世界各地大型桥梁施工项目提供服务。,挪威NRS公司,我们的主要产品：,挂蓝(建桥者) 现浇混凝土及预制节块桥梁. 造桥机 (MSS) 现浇混凝土桥梁（上行式及下行式） 预制节块拼装系统 (LG) 预制节块施工 上行式及下行式,挂 蓝,预制节块拼装用挂蓝,上行式M

2、SS造桥机,下行式MSS造桥机,上行式预制拼装系统,下行式预制拼装系统,适用范围,MSS 造桥机 跨度 15 - 80 m 一般适用长度 500m 以上 施工周期/孔6 10 天,适用范围,LG 预制拼装系统 跨径: 20 100m 一般施工长度: 最少 600 - 800 节块 一般施工周期/孔1-2 天 / 孔,适用范围,BB 建桥者挂蓝 跨度: 60 300m 一般施工周期:2 x 1 节段 / 周,建桥者挂蓝,现浇混凝土桥梁用挂蓝,标准建桥者挂蓝每次浇注节段长度为5米，荷载（混凝土+模板）为100-600吨，用钢量为25吨-110吨。 标准建桥者可适用于几乎各种桥梁断面。当桥梁宽度，节

3、段高度，翼板厚度发生变化时调整十分方便。,一般适用节块长度为3-5米，重量100-400吨。使用液压系统推进。横坡纵坡均可调整。 预制节块拼装挂蓝几乎可适用于未来项目的任何断面。,预制节块拼装用挂蓝,世界跨度最长的混凝土悬臂梁桥,重量轻:The use of rectangular hollow sections in the main structural components and recoverable high strength bars in all stays and ties reduces the total steel weight to a minimum. 使用灵活:T

4、he Bridgebuilder may be adapted to almost any cross-section and is easily adjustable during operation to variations in segment length, box height, web thickness, deck width and road alignment (gradient, curvature, super-elevations). 挠度小:The vertical deflection at the front of the Bridgebuilder is le

5、ss than 25 mm at maximum load. Formwork beams are designed for a maximum deflection of L/400 of their length. 安装快捷:One Bridgebuilder may be assembled in one week. Rolling forward on rails, the reset time is short.,建桥者挂蓝主要特点：,现浇混凝土建桥者,主轨,液压油缸,建桥者主要组成部分,前后工作车,主轨,液压油缸,建桥者挂蓝,前后工作车,主轨,液压油缸,建桥者挂蓝的主要组成部分,N

6、RS AS,主框架,前后工作车,主轨,液压油缸,建桥者的主要组成部分,NRS AS,主框架,前后框架,底框架,横梁,内模,前后工作车,主轨,液压油缸,建桥者的主要组成部分,NRS AS,主框架,前后框架,底框架,横臂,内模,外模,底模,内模,前后工作车,主轨,液压油缸,The Bridgebuilder - Components,NRS AS,主框架,前后工作车,底框架,横梁,液压油缸,内模,外模,底模,内模,端模,工作平台,建桥者挂蓝,建桥者挂蓝施工程序:,挂蓝除内模部分移动到新的混凝土浇注位置。 调整外模，并将其固定。 底板及翼板钢筋绑扎 内模推进 顶板钢筋绑扎 底板及翼板混凝土浇注，顶板

7、混凝土在间隔一定时间后浇注，也可在第二天浇注。 养护完成后张拉。 松开模板，推进挂蓝。多数情况下施工周期为1周，也有4-5天的实例。,用于小墩顶施工的建桥者,在墩顶长度仅为3米的情况下用挂蓝施工的方法。,第一步: 在3米长的墩顶上安装,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantileveri

8、ng from pier heads as small as 3 m. The procedure is illustrated through the above 4 phases.,第二步: 在墩顶两侧浇注混凝土,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from p

9、ier heads as small as 3 m. The procedure is illustrated through the above 4 phases.,第三步: 将建桥者分开,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as

10、small as 3 m. The procedure is illustrated through the above 4 phases.,第三步: 将建桥者分开,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as small as 3 m.

11、 The procedure is illustrated through the above 4 phases.,第四步: 完成12米墩顶混凝土，可进行标准挂蓝施工,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as small as 3 m

12、. The procedure is illustrated through the above 4 phases.,第四步 完成12米墩顶混凝土，可进行标准挂蓝施工,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as small as 3 m

13、. The procedure is illustrated through the above 4 phases.,第四步 完成12米墩顶混凝土，可进行标准挂蓝施工,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as small as 3 m

14、. The procedure is illustrated through the above 4 phases.,第四步 完成12米墩顶混凝土，可进行标准挂蓝施工,建桥者用于小墩顶施工,When the pier head is too small to allow normal assembly of the Bridgebuilder, our patented Cross-member solves the problem. It makes it possible to start free cantilevering from pier heads as small as 3 m

15、. The procedure is illustrated through the above 4 phases.,第四步 完成12米墩顶混凝土，可进行标准挂蓝施工,Stolmasundet Bridge, Norway 目前世界挂蓝施工的跨度最长的混凝土桥梁 主孔: 301 m 桥宽: 12,1 m 最大荷载 :160 tons 施工周期:2 x 1 segment per week,Puente Internacional sobre el Rio Guadiana, Spain/Portugal 最大荷载 :155 tons 最大桥梁宽度: 18 m 最大箱梁宽度:11 m 最大浇注长度:4,5 m,Varodd Bridge, 挪威,Seo Hae, 韩国,Wadi Akbara Bridge, 以色列 最大跨度:80 m 最大荷载 :150 tons 最大桥宽: 13,7 m 最大箱梁宽度:5,5 m 最大节段长度:4,5