Bridge crane main girder deflection detection and correction methods I. Bridge (gantry) crane main girder deflection detection in the bridge (gantry) crane safety inspection, the main girder arch detection is a very important content. jb1036-82 (general bridge...

The main girder structure of overhead travelling crane will be deformed by various factors in the process of long-term application, and the deformation problem can not be completely avoided, for the deformation of the main girder structure.