Abstract

A model of fiber-reinforced concrete element deformation was presented under the conditions of plane stress and subjected to radiation, leading to the change of fibre-concrete deformation diagram and radiation swelling. They proposed a model identification technique, which use determined the coefficients for the cases of nonlinear and linear approximation of deformation diagrams, and the approximation error for these cases was estimated. Using the given physical relationships and a number of additional hypotheses, a non-linear integral-differential resolution equation of a fiber-reinforced concrete plate on an elastic foundation is obtained under radiation conditions.

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