Machine-learned surrogates predict fire resistance (FR) of insulated FRP-strengthened RC beams accurately but violate basic physics, extrapolate unpredictably, and treat unsafe over-predictions the same as conservative under-predictions.
Machine-learned surrogates predict fire resistance (FR) of insulated FRP-strengthened RC beams accurately but violate basic physics, extrapolate unpredictably, and treat unsafe over-predictions the same as conservative under-predictions.