Capacity assessment of uncorroded and corroded dapped‐end beams by NLFE and strut‐and‐tie based methods
Beatrice Belletti,
Biagio Calcavecchia,
Daniele Ferretti
et al.
Abstract:The verification of dapped‐end beams degraded by corrosion is a problem, especially for existing bridges in service. This paper proposes a nonlinear finite element (NLFE) modeling procedure and a simple strut‐and‐tie based procedure for predicting the response of dapped‐end beams subjected to chloride corrosion. Firstly, the finite element modeling strategy, based on the adoption of multilayer shell elements and the PARC_CL 2.1 crack model is described. Then, the degradation effects on concrete, rebars, and st… Show more
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