Research and Application of Monitoring Technology for Rail Expansion Joint and Beam End Expansion Joint
The rail expansion joint and beam end expansion joint are weakness in continuous welded rail of long span bridge,and existing inspection and maintenance methods cannot timely obtain their service status.The paper adopted a combination of AI video displacement monitoring technology and traditional monitoring techniques.A monitoring system was established for the integrated equipment of rail expansion joint and beam end expansion joint to achieve real time monitoring of the expansion and contraction deformation for key locations and components in bridge joint of beam end area,rail expansion joint and beam end expansion joint.During the operation of this monitoring system,the state is stable,and the monitoring data can reasonably reflect the deformation characteristics of the track structure in the beam end area.At the same time,it provides data support for monitoring diseases such as the tilting of movable steel sleepers in bridge joint,and provides a basis for the engineering department to carry out maintenance in the later stage.
high speed railwaylong-span bridgedata analysisrail expansion jointbeam end expansion jointmonitoring system
NETL
NSTL
万方数据
