基于多传感器融合的大跨径连续梁桥变形监测技术

Deformation Monitoring Technology of Large-span Continuous Beam Bridge Based on Multi-sensor Fusion

为提高连续梁桥变形监测精确度,工程项目可引进多传感器融合技术,开展大跨径连续梁桥变形监测方法的设计。在连续梁桥多传感器监测点布置水平、竖直、倾斜方向的传感器,实时采集梁桥变形数据,辅助全站仪、三角高程测量装置,计算大跨径连续梁桥沉降与变形量,完成监测方法的设计。对比实验结果证明,设计的监测方法在实际应用中效果良好,该方法可以控制连续梁桥变形量监测结果偏差<2mm,使监测结果满足高精度需求。

In order to improve the accuracy of continuous beam bridge deformation monitoring,the engineering project can introduce multisensor fusion technology to carry out the design of Deformation monitoring method for long-span continuous girder bridges.The horizontal,vertical and inclined sensors are arranged at the monitoring points of the continuous beam bridge to collect the deformation data of the beam bridge in real time,assist the whole station and the triangle height measuring device,calculate the settlement and deformation of the large-span continuous beam bridge,and complete the design of the monitoring method.The comparative experimental results prove that the designed monitoring method has good effect in practical application,and this method can control the deviation of the monitoring results of continuous beam bridge deformation by<2mm,so that the monitoring results can meet the requirements of high precision.