Monitoring Stay Cable Forces During Construction of the Natchez Trace Parkway Arch Bridge

by Allan Brayley, PCL (Canada), Edmonton, Canada,
Brett Commander, PCL (Canada), Edmonton, Canada,
Jeff Schulz, PCL (Canada), Edmonton, Canada,

Document Type: Proceeding Paper

Part of: Structures Congress XII


This paper describes how cable-stay forces were indirectly quantified through the use of simple field measurements. A system was developed and delivered to the contractor and used to make force measurements in stay cables used for supporting cantilevered legs of a large pre-cast segmental arch structure as it was constructed. The approach verified analytical predictions and confirmed unanticipated structural behavior of two of the cantilevered arch legs.

Subject Headings: Cables | Cable stayed bridges | Arch bridges | Infrastructure construction | Cantilever bridges | Structural behavior | Structural analysis

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