A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Method for dragging and installing steel truss girder crossing existing railway line
The invention relates to the field of steel truss girder dragging construction, in particular to a method for dragging and installing a steel truss girder crossing an existing railway line, the steel truss girder is integrally assembled on one side of the existing railway line, and a dragging guide girder is assembled at the front end of the steel truss girder. When the front end of the guide beam is dragged to the second bridge abutment, the front end node is jacked, the sliding block is installed, dragging continues to be conducted till the next node reaches the second bridge abutment, the node is jacked, the sliding block is installed, and dragging continues to be conducted repeatedly after the front end assembling beam is dismantled. And when the front end node of the dragging guide beam is located on the second bridge abutment, the three-way jack is used for jacking the steel truss beam, and the steel truss beam falls in place and is connected with the non-grouting support. After the side, close to the first bridge abutment, of the front-end assembly beam is dragged to the second bridge abutment, namely, the rear-end assembly beam or the steel truss beam also reaches the second bridge abutment, and at the moment, the front-end assembly beam is dismantled in time. Therefore, the length of the dragging track laid on one side of the second bridge abutment is only required to be larger than that of the splicing beam, so that the process adaptability is improved, and the construction cost is reduced.
本发明涉及钢桁梁拖拉施工领域，具体涉及一种跨越既有铁路线的钢桁梁拖拉安装方法，所述钢桁梁在既有线路一侧进行整体拼装，并在钢桁梁前端拼装拖拉导梁。当拖拉导梁前端到达第二桥台时，启顶前端节点并安装滑块继续拖拉直至下一节点到达第二桥台，启顶该节点并安装滑块，拆除其前端拼装梁后继续重复拖拉。直至拖拉导梁前端节点位于第二桥台上，利用三向千斤顶启顶钢桁梁并落梁就位与未灌浆支座连接。当前端的拼装梁近第一桥台一侧拖拉至第二桥台后，即后端的拼装梁或钢桁梁也到达了第二桥台处，此时及时将前端的拼装梁拆除。如此，第二桥台一侧铺设安装的拖拉轨道只需要长度大于拼装梁即可，因此提升了工艺适性，并且降低了施工成本。
Method for dragging and installing steel truss girder crossing existing railway line
The invention relates to the field of steel truss girder dragging construction, in particular to a method for dragging and installing a steel truss girder crossing an existing railway line, the steel truss girder is integrally assembled on one side of the existing railway line, and a dragging guide girder is assembled at the front end of the steel truss girder. When the front end of the guide beam is dragged to the second bridge abutment, the front end node is jacked, the sliding block is installed, dragging continues to be conducted till the next node reaches the second bridge abutment, the node is jacked, the sliding block is installed, and dragging continues to be conducted repeatedly after the front end assembling beam is dismantled. And when the front end node of the dragging guide beam is located on the second bridge abutment, the three-way jack is used for jacking the steel truss beam, and the steel truss beam falls in place and is connected with the non-grouting support. After the side, close to the first bridge abutment, of the front-end assembly beam is dragged to the second bridge abutment, namely, the rear-end assembly beam or the steel truss beam also reaches the second bridge abutment, and at the moment, the front-end assembly beam is dismantled in time. Therefore, the length of the dragging track laid on one side of the second bridge abutment is only required to be larger than that of the splicing beam, so that the process adaptability is improved, and the construction cost is reduced.
本发明涉及钢桁梁拖拉施工领域，具体涉及一种跨越既有铁路线的钢桁梁拖拉安装方法，所述钢桁梁在既有线路一侧进行整体拼装，并在钢桁梁前端拼装拖拉导梁。当拖拉导梁前端到达第二桥台时，启顶前端节点并安装滑块继续拖拉直至下一节点到达第二桥台，启顶该节点并安装滑块，拆除其前端拼装梁后继续重复拖拉。直至拖拉导梁前端节点位于第二桥台上，利用三向千斤顶启顶钢桁梁并落梁就位与未灌浆支座连接。当前端的拼装梁近第一桥台一侧拖拉至第二桥台后，即后端的拼装梁或钢桁梁也到达了第二桥台处，此时及时将前端的拼装梁拆除。如此，第二桥台一侧铺设安装的拖拉轨道只需要长度大于拼装梁即可，因此提升了工艺适性，并且降低了施工成本。
Method for dragging and installing steel truss girder crossing existing railway line
一种跨越既有铁路线的钢桁梁拖拉安装方法
SUN XIAFENG (author) / ZHU SHUCHENG (author) / LI MINGRUI (author) / ZHANG WEI (author) / FANG YIFENG (author) / LI XU (author)
2022-05-10
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
Long-distance steel box girder dragging system crossing existing line
| European Patent Office | 2020
Expressway-crossing steel truss girder dragging and sliding device and construction method
| European Patent Office | 2023
| European Patent Office | 2021
| European Patent Office | 2023