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铁罗坪斜拉桥下横梁距离承台104m,针对下横梁施工中存在的问题,主塔下横梁施工采用墩旁托架支模以及反支点预压等先进施工技术,有效的解决了施工支模及预压难题,节约了人工,提高了工作效率,同时大大的降低了施工成本。铁罗坪特大桥主塔下横梁施工的成功经验,可为山区斜拉桥、悬束桥下横梁以及其他高墩、塔横系梁施工提供借鉴。
Due to the existing problems in the construction of the lower crossbeam, the construction of the lower crossbeam of the main tower adopts the advanced construction technology such as the support of the bracket beside the piers and the pre-compression of anti-fulcrum points, effectively solving the problems that the construction support modules And precompression problems, saving labor, improve work efficiency, while greatly reducing construction costs. The successful experience of the construction of the lower girder of the main tower of the Tieluoping Extra-large Bridge can provide reference for the construction of the cable-stayed bridge in the mountainous area, the lower cross-beam of the suspension bridge and other high piers and towers.