The damage analysis of the reinforced concrete beam and the prestressed reinforced concrete beamMilan Vaško, Marián Handrik, Matej Rác, Vladislav Baniari, Ján Kortiš and Ľuboš DanielMATEC Web Conf., 157 (2018) 02055DOI: https://doi.org/10.1051/matecconf/201815702055