This paper discusses applying a two-parameter “residual strength” phenomenological model to plain concrete. The model accounts for the concrete strength's stochastic nature and relates it to fatigue life scatter through the Strength-Life Equal-Rank Assumption (SLERA). Checked on a series of literature data, the model allows recovering the static strength statistical distribution from the fatigue data inherently accounting for the stress ratio and loading rate. It is shown that the model's and the Weibull static strength's parameters represent the fingerprint for a given materials category. Its predictive capabilities indicate that the model's physical prerogatives deserve to be considered in the world of concrete.
(2021). Modeling the effects of stress ratio and loading frequency on the fatigue behavior of plain concretes [journal article - articolo]. In CONSTRUCTION AND BUILDING MATERIALS. Retrieved from http://hdl.handle.net/10446/194273
Modeling the effects of stress ratio and loading frequency on the fatigue behavior of plain concretes
Coppola, Luigi;
2021-01-01
Abstract
This paper discusses applying a two-parameter “residual strength” phenomenological model to plain concrete. The model accounts for the concrete strength's stochastic nature and relates it to fatigue life scatter through the Strength-Life Equal-Rank Assumption (SLERA). Checked on a series of literature data, the model allows recovering the static strength statistical distribution from the fatigue data inherently accounting for the stress ratio and loading rate. It is shown that the model's and the Weibull static strength's parameters represent the fingerprint for a given materials category. Its predictive capabilities indicate that the model's physical prerogatives deserve to be considered in the world of concrete.File | Dimensione del file | Formato | |
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