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What is Post-Tensioning for Concrete Bridges about?
This document discusses post-tensioning details for long-span concrete bridges. It summarizes the evolution of tendon anchorages from bearing plate anchors to modern confinement and bond anchorages. Confinement anchorages, which operate by confining bursting stresses with helical reinforcement, have significantly improved anchorage details for segmental bridges by allowing for smaller build-outs. Bond anchorages have also been successfully used with multiple strand tendons. Loops have increasingly been used
- Author
- biniam
- Language
- EN