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A platform for research: civil engineering, architecture and urbanism
Cantilever vertical deformation real-time monitoring method and device for bridge incremental launching construction
The invention discloses a cantilever vertical deformation real-time monitoring method and device for bridge incremental launching construction, and belongs to the technical field of bridge cantilever vertical deformation real-time monitoring. The technical problem to be solved is to provide the improvement of the cantilever vertical deformation real-time monitoring method for bridge incremental launching construction. Comprising the following steps that when the steel truss bridge is assembled on a jig frame, a laser range finder is installed below the end of a guide beam; before railway-crossing pushing, a long and thin water pipe filled with water is arranged on a rail under the advancing projection direction of a guide beam; when incremental launching construction is started, the laser range finder is started, and the initial vertical distance between the end of the guide beam and the long and thin water pipe is measured; when the steel truss bridge cross-railway incremental launching construction is carried out to the moment tn, the laser range finder is observed, and the vertical distance between the end of the guide beam and the long and thin water pipe at the moment is obtained; the vertical displacement delta yn of the end of the guide beam at the tn moment is calculated; the data analysis system automatically compares the vertical displacement of the end part of the guide beam at the tn moment with a deformation limit value; the cantilever is applied to bridge incremental launching construction.
本发明一种桥梁顶推施工用悬臂竖向变形实时监测方法及装置，属于桥梁悬臂竖向变形实时监测技术领域；所要解决的技术问题为：提供一种桥梁顶推施工用悬臂竖向变形实时监测方法的改进；包括如下步骤：在胎架上拼装钢桁梁桥时，在导梁端部下方安装激光测距仪；跨铁路顶推前，沿导梁前进投影方向正下方在铁轨上布置一条充满水的细长水管；开始顶推施工时，启动激光测距仪，测量导梁端部与细长水管初始竖直距离；钢桁梁桥跨铁路顶推施工进行至时刻tn时，观测激光测距仪，得到此时刻导梁端部与细长水管竖直距离；计算tn时刻导梁端部的竖向位移为Δyn；数据分析系统自动将tn时刻导梁端部的竖向位移与变形限值进行比较；本发明应用于桥梁顶推施工用悬臂。
Cantilever vertical deformation real-time monitoring method and device for bridge incremental launching construction
The invention discloses a cantilever vertical deformation real-time monitoring method and device for bridge incremental launching construction, and belongs to the technical field of bridge cantilever vertical deformation real-time monitoring. The technical problem to be solved is to provide the improvement of the cantilever vertical deformation real-time monitoring method for bridge incremental launching construction. Comprising the following steps that when the steel truss bridge is assembled on a jig frame, a laser range finder is installed below the end of a guide beam; before railway-crossing pushing, a long and thin water pipe filled with water is arranged on a rail under the advancing projection direction of a guide beam; when incremental launching construction is started, the laser range finder is started, and the initial vertical distance between the end of the guide beam and the long and thin water pipe is measured; when the steel truss bridge cross-railway incremental launching construction is carried out to the moment tn, the laser range finder is observed, and the vertical distance between the end of the guide beam and the long and thin water pipe at the moment is obtained; the vertical displacement delta yn of the end of the guide beam at the tn moment is calculated; the data analysis system automatically compares the vertical displacement of the end part of the guide beam at the tn moment with a deformation limit value; the cantilever is applied to bridge incremental launching construction.
本发明一种桥梁顶推施工用悬臂竖向变形实时监测方法及装置，属于桥梁悬臂竖向变形实时监测技术领域；所要解决的技术问题为：提供一种桥梁顶推施工用悬臂竖向变形实时监测方法的改进；包括如下步骤：在胎架上拼装钢桁梁桥时，在导梁端部下方安装激光测距仪；跨铁路顶推前，沿导梁前进投影方向正下方在铁轨上布置一条充满水的细长水管；开始顶推施工时，启动激光测距仪，测量导梁端部与细长水管初始竖直距离；钢桁梁桥跨铁路顶推施工进行至时刻tn时，观测激光测距仪，得到此时刻导梁端部与细长水管竖直距离；计算tn时刻导梁端部的竖向位移为Δyn；数据分析系统自动将tn时刻导梁端部的竖向位移与变形限值进行比较；本发明应用于桥梁顶推施工用悬臂。
Cantilever vertical deformation real-time monitoring method and device for bridge incremental launching construction
一种桥梁顶推施工用悬臂竖向变形实时监测方法及装置
ZHANG PING (author) / ZUO SHIJUN (author) / LI XIANGUI (author) / LIU WEI (author) / CAI HONG (author) / ZHANG ZHENHUA (author) / YU GENQIN (author) / DONG HUANHUAN (author) / YAN AIXIN (author) / LIN YIJIANG (author)
2022-07-22
Patent
Electronic Resource
Chinese
Continuous bridge incremental launching construction device
| European Patent Office | 2023
| European Patent Office | 2022