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6. Assembly Assembly of the load-bearing structure was started simultaneously on both sides of the Ijssel. Span by span the sections of both main girders were placed and the cross girders in between were welded to them. To place the first sections, temporary supports were necessary. After welding the bridge spans, the segments of the footpath were consecutively assembled and welded together amongst each other and to the main load-bearing structure. The steel structure on the side of Hattem was moved by IOOmm from the abutment to make room for the later following strand jacking of the central arch. After reaching the abutment, the arch's parts were mounted onto the two neighbouring spans of the Ijssel with projections into the river span. Secured from floodwater, the remaining 135m-long central arch section was mounted onto 2.5m-high temporary supports at a preassembly area at Zwolle. Much attention during design and fabrication was given to the exact fit between parts to be floated into position and preassembled areas on the forelands. In contrast to most of the common bridges, the mas-sive cross sections with sheet thicknesses of up to 80mm excluded corrections after strand jacking. After completion, the around 2,40Ot-heavy part to be floated into position was brought onto pontoons by modular transporters over a ramp erected solely for this purpose; it was then floated into the bridge's axis and lifted to its final position by strand jacks.
摘要：横卧在艾塞尔河的新930m的铁路桥是50km的汉萨线的一个必不可少的一部分，双轨新建线在荷兰兹沃勒和在艾瑟尔湖的莱利斯塔德之间。这座桥获得了设计和构建竞争的设计奖并且是一个有吸引力的桥梁施工建筑的杰出的例子。
1.介绍
新的艾瑟尔河大桥是50km长的汉萨线新建铁路线的一部分在荷兰艾瑟尔湖的莱利斯塔德和兹沃勒的内部之间。汉萨线提供了该国北部和西部大都市区如阿姆斯特丹和鹿特丹等地区之间的高效传输连接。双线的施工开始于2007年。它是专为客运和货运设计的并且设计速度为160km/h。论文网
这个基本工程的东段与西段在艾塞尔河的兹沃勒和哈特姆之间的连接是交叉的。这双轨结构穿过艾塞尔河，它的堤的前岸地区与Gelderse Dijk道路的跨度是33.13 + 4 x 40.0 + 75.0 + 150.0 + 75.0 + 10 x 40.0 + 33.34 = 926.47m.
在布局上，在哈特姆旁边，艾塞姆上大桥运行一条直线与在兹沃勒旁的桥墩的前面相连形成一条回旋线的半径。这座桥的一个特性是由于每个轨道的转轨器导致上部结构和哈特姆的桥墩可达7.65m的宽度。
业主,乌特勒支ProRail,，与建设集团的Welling-Züblin 和建筑师奎斯特温特曼、鹿特丹的设计合资公司SSF,慕尼黑的ABT，安海姆建立合作关系一起建造铁路大桥。这座桥的钢结构由阿姆斯特丹的Max Bögl提供。