Delaware River Turnpike Bridge Fracture Repair

摘要

On January 20, 2017, a total fracture was discovered in a deck truss bridge carryingI-276 over the Delaware River. This presentation details the investigation of the cause of thefracture and the design of the repair. The restoration of the truss was executed in only 48 daysusing a never before attempted method of vertically jacking the deformed truss to correctgeometry and then horizontally post tensioning the broken chord back to original loading.