2020
DOI: 10.35789/fib.bull.0094
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fib Bulletin 94. Precast concrete bridge continuity over piers

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“…For example, the methodology used by Sousa et al (17) on the Lezíria Bridge, has included a nonlinear finite element analysis calibrated with the experimental data obtained from monitoring and simplified methods (16) have been used for fitting shrinkage and creep functions for the concrete of the beam. In fact, the validity of simplified methods is still in force nowadays for "I" shaped beams with continuity by means of diaphragms on piers and with one stage of casting the slab in the cross section (18). This simplified method based on the aging coefficient calculates the indeterminate statically bending moment over piers considering gross sections, neglecting the reinforcement, and adding the prestressing losses afterwards.…”
Section: Introductionmentioning
confidence: 99%
“…For example, the methodology used by Sousa et al (17) on the Lezíria Bridge, has included a nonlinear finite element analysis calibrated with the experimental data obtained from monitoring and simplified methods (16) have been used for fitting shrinkage and creep functions for the concrete of the beam. In fact, the validity of simplified methods is still in force nowadays for "I" shaped beams with continuity by means of diaphragms on piers and with one stage of casting the slab in the cross section (18). This simplified method based on the aging coefficient calculates the indeterminate statically bending moment over piers considering gross sections, neglecting the reinforcement, and adding the prestressing losses afterwards.…”
Section: Introductionmentioning
confidence: 99%