Fabio Biondini, Franco Bontempi
In concrete structures, the relative importance of the uncertainty effects associated with each random variable may significantly vary over time due to various sources of structural damage that can strongly modify the structural reliability. This paper presents a preliminary investigation aimed at highlighting the time evolution of uncertainty effects associated with different parameters defining structural performance. A novel methodology for time-variant reliability analysis of concrete structures subjected to diffusive attacks from external aggressive agents is employed. A probabilistic time-variant nonlinear analysis of a concrete box-girder cross-section undergoing diffusion is carried out using Monte Carlo simulation, and the corresponding time evolution of structural performance is examined concerning suitable indicators of nonlinear behavior. The effects of each random variable on such indicators are quantified and compared using a suitable time-dependent sensitivity factor.
@article{15241070-e317-4a82-9280-e5019b896908,
title={Lifetime nonlinear analysis of concrete},
author={Fabio Biondini and Franco Bontempi},
year={2026},
language={en}
}TY - JOUR TI - Lifetime nonlinear analysis of concrete AU - Fabio Biondini AU - Franco Bontempi PY - 2026 LA - en ER -
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