A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Expressway crossing steel box girder dragging erection construction method
The method comprises the following steps that S1, preparation work and buttress installation are conducted, specifically, a dragging buttress, a glide way buttress, a welding platform buttress and a beam falling buttress are erected on the two sides of a highway, the glide way buttress is installed at the position of a medial strip, and a bailey truss, a slide way carrier roller, a beam falling jack, a transverse position adjusting device and a dragging mechanism are arranged at the tops of the buttresses; the construction method disclosed by the invention is suitable for the special conditions of erection, high construction difficulty and the like under the condition that large-span steel beams span river water surfaces, expressways, railways and the like under the condition that passing cannot be interrupted, and the construction difficulty is high, so that the manufacturing precision and the welding quality of each part of the steel structure are ensured, and complex processing procedures are arranged to be completed in a factory; on-site assembling, splicing and welding work can be simplified, and the precision and welding quality of the steel box girder are improved.
本发明公开了包括以下步骤：S1.准备工作和支墩安装：在高速公路两侧搭设拖拉用支墩、下滑道支墩、焊接平台支墩以及落梁支墩,在中央分隔带位置安装下滑道支墩，支墩顶部设置有贝雷架、滑道托辊、落梁千斤顶、横向位置调节装置、拖拉机构，本发明施工方法适用于大跨度钢梁跨越江河水面、高速公路、铁路等通行不能中断情况下的架设、施工难度高等特殊情况的高速公路和铁路，在确保钢结构各零部件的制造精度和焊接质量，把复杂的加工工序安排在厂内完成的同时，可以简化现场组拼合焊接工作，提高钢箱梁的精度和焊接质量。
Expressway crossing steel box girder dragging erection construction method
The method comprises the following steps that S1, preparation work and buttress installation are conducted, specifically, a dragging buttress, a glide way buttress, a welding platform buttress and a beam falling buttress are erected on the two sides of a highway, the glide way buttress is installed at the position of a medial strip, and a bailey truss, a slide way carrier roller, a beam falling jack, a transverse position adjusting device and a dragging mechanism are arranged at the tops of the buttresses; the construction method disclosed by the invention is suitable for the special conditions of erection, high construction difficulty and the like under the condition that large-span steel beams span river water surfaces, expressways, railways and the like under the condition that passing cannot be interrupted, and the construction difficulty is high, so that the manufacturing precision and the welding quality of each part of the steel structure are ensured, and complex processing procedures are arranged to be completed in a factory; on-site assembling, splicing and welding work can be simplified, and the precision and welding quality of the steel box girder are improved.
本发明公开了包括以下步骤：S1.准备工作和支墩安装：在高速公路两侧搭设拖拉用支墩、下滑道支墩、焊接平台支墩以及落梁支墩,在中央分隔带位置安装下滑道支墩，支墩顶部设置有贝雷架、滑道托辊、落梁千斤顶、横向位置调节装置、拖拉机构，本发明施工方法适用于大跨度钢梁跨越江河水面、高速公路、铁路等通行不能中断情况下的架设、施工难度高等特殊情况的高速公路和铁路，在确保钢结构各零部件的制造精度和焊接质量，把复杂的加工工序安排在厂内完成的同时，可以简化现场组拼合焊接工作，提高钢箱梁的精度和焊接质量。
Expressway crossing steel box girder dragging erection construction method
跨越高速公路钢箱梁拖拉法架设施工方法
QIANG JUN (author) / WANG PING (author) / WANG SHUAI (author) / LIANG SONG (author) / WANG LANG (author)
2025-01-10
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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