1、1 in which we have developed our knowledge and learn our skills. 2 3 4 现浇混凝土及预制节块桥梁. 现浇混凝土桥梁(上行式及下行式) 预制节块施工 上行式及下行式 5 6 7 8 9 10 11 跨度 15 - 80 m 一般适用长度 500m 以上 施工周期/孔6 10 天 12 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 13 跨度: 60 300m 一般施工周期:2 x 1 节段 / 周 14 15 标准建桥者挂蓝每次浇注节段长度为5米,荷载(混凝土+模
2、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,节段高 度,翼板厚度发生变化时调整十分方便。 16 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。 17 FREE CANTILEVER BRIDGES WORLDS LONGEST SPANS No. 项目项目名称名称 Country 跨度跨度 Construction 设备设备提供商提供商 1 Stolmasundet bro Norway 301 1998 NRS 2 Raftsundet, Lof
3、oten Norway 298 1998 NRS 3 Humen, Pearl River China 270 1997 4 Varrod bro, Kristiansand Norway 260 1993 NRS 5 Gateway bridge, Brisbane Australia 260 1986 NRS 6 Skye bridge UK 250 1995 7 Ponte San Joao , Porto Portugal 250 1991 NRS 8 Talbvergang Schottwien Austria 250 1989 9 Northumberland Strait Cro
4、ssing Canada 250 1997 10 Chevire Viaduct, Nantes France 242 1991 14 Norddalsfjord bro Norway 231 1987 NRS 19 Stovset bro Norway 220 1993 NRS 18 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 we
5、ight to a minimum. The 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). The vertical deflection at the front of the B
6、ridgebuilder is less than 25 mm at maximum load. Formwork beams are designed for a maximum deflection of L/400 of their length. One Bridgebuilder may be assembled in one week. Rolling forward on rails, the reset time is short. 19 20 主轨主轨 液压油缸液压油缸 下拉油缸 推进油缸 主千斤顶主千斤顶 21 前后工作车前后工作车 主轨主轨 液压油缸液压油缸 22 前后工
7、作车前后工作车 主轨主轨 液压油缸液压油缸 主框架主框架 23 前后工作车前后工作车 主轨主轨 液压油缸液压油缸 主框架主框架 前后框架前后框架 底框架底框架 横梁横梁 内模内模 24 前后工作车前后工作车 主轨主轨 液压油缸 主框架主框架 前后框架前后框架 底框架底框架 横臂横臂 内模内模 外模外模 底模底模 内模内模 25 前后工作车前后工作车 主轨主轨 液压油缸液压油缸 主框架主框架 前后工作车前后工作车 底框架底框架 横梁横梁 液压油缸液压油缸 内模内模 外模外模 底模底模 内模内模 端模端模 工作平台工作平台 26 27 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
8、。 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。 28 在墩顶长度仅为3米的情况下用挂蓝施工的方法。 3 m 在3米长的墩顶上安装 29 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 s
9、tart free cantilevering from pier heads as small as 3 m. The procedure is illustrated through the above 4 phases. 在墩顶两侧浇注混凝土 30 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 cantileverin
10、g from pier heads as small as 3 m. The procedure is illustrated through the above 4 phases. 将建桥者分开 31 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
11、 as 3 m. The procedure is illustrated through the above 4 phases. 将建桥者分开 32 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. The procedure is
12、illustrated through the above 4 phases. 完成12米墩顶混凝土,可进行标准挂蓝施工 33 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. The procedure is illustrated
13、through the above 4 phases. 完成12米墩顶混凝土,可进行标准挂蓝施工 34 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. The procedure is illustrated through the
14、above 4 phases. 完成12米墩顶混凝土,可进行标准挂蓝施工 35 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. The procedure is illustrated through the above 4 phas
15、es. 完成12米墩顶混凝土,可进行标准挂蓝施工 36 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. The procedure is illustrated through the above 4 phases. 完成12米墩顶混
16、凝土,可进行标准挂蓝施工 37 Stolmasundet Bridge, Norway 目前世界挂蓝施工的跨度最长的混凝土桥梁目前世界挂蓝施工的跨度最长的混凝土桥梁 主孔主孔: 301 m 桥宽桥宽: 12,1 m 最大荷载最大荷载 :160 tons 施工周期施工周期:2 x 1 segment per week 38 Puente Internacional sobre el Rio Guadiana, Spain/Portugal 最大荷载最大荷载 :155 tons 最大桥梁宽度最大桥梁宽度: 18 m 最大箱梁宽度最大箱梁宽度:11 m 最大浇注长度最大浇注长度:4,5 m 39 V
17、arodd Bridge, 挪威挪威 40 Seo Hae, 韩国韩国 41 Wadi Akbara Bridge, 以色列以色列 最大跨度最大跨度:80 m 最大荷载最大荷载 :150 tons 最大桥宽最大桥宽: 13,7 m 最大箱梁宽度最大箱梁宽度:5,5 m 最大节段长度最大节段长度:4,5 m 42 Frouzi, 希腊克里克岛希腊克里克岛 Main Span:72 m Max. Load Capacity:165 tons Max. road width: 14,1 m Max. box width:8,0 m Max. length of segment:5,0 m 43 Frouzi, 希腊克里克岛希腊克里克岛 44 美国哥伦比亚河大桥美国哥伦比亚河大桥 最大跨度最大跨度 :170 m 最大荷载最大荷载 : 360 tons 最大桥宽最大桥宽: 15 - 22 m 最大箱梁宽度最大箱梁宽度:(6,5 - 8,0) x 2 m 最大浇注长度最大浇注长度: 5,0 m