Whether the spatial positioning of the arch rib of the long-span arch bridge is accurate has a great impact on the stress of the entire arch bridge structure.To ensure that the structural stress of the bridge is closer to the original design,it is necessary to strictly control the coordinate positioning during the installation of the arch rib.However,there are many factors affecting the spatial coordinates of arch rib,which leads to complex calculation.In this paper,the coordinate calculation of arch rib is introduced in de-tail based on the construction monitoring project of arch rib of a long-span half-through arch bridge,which can provide useful reference for similar projects.
关键词
大跨度拱桥/拱肋定位/坐标计算/施工监测
Key words
long span arch bridge/positioning of arch rib/coordinate calculation/construction monitoring