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Fatigue Resistance of Post-Tensioned Cables in Partial Prestressing
Abstract In partial prestressing, concrete may crack under the flexural action-effects (in rare combinations of service actions). Nevertherless prestressing steel, already tensioned at a permanent level of about 60% of its resistance f pu, might run the risk to fatigue failure owing to high stress concentrations located in concrete cracks. As such an eventuality might be critical for the application of Partial Prestressing design [1], a realistic knowledge on fatigue performance of this material is indeed an actual need in view to predict at best the fatigue resistance of structures under the live loads.
Fatigue Resistance of Post-Tensioned Cables in Partial Prestressing
Abstract In partial prestressing, concrete may crack under the flexural action-effects (in rare combinations of service actions). Nevertherless prestressing steel, already tensioned at a permanent level of about 60% of its resistance f pu, might run the risk to fatigue failure owing to high stress concentrations located in concrete cracks. As such an eventuality might be critical for the application of Partial Prestressing design [1], a realistic knowledge on fatigue performance of this material is indeed an actual need in view to predict at best the fatigue resistance of structures under the live loads.
Fatigue Resistance of Post-Tensioned Cables in Partial Prestressing
Trinh, K. Long Jacques (author)
1991-01-01
8 pages
Article/Chapter (Book)
Electronic Resource
English
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