Mechanical Impulse Technique Used to determine the Elastique Characteristics of Welded Steel Bars of Concrete Reinforcements Compared with those Obtained by Analytical, Numerical and Experimental Methods. - Raul Moisa; Sergiu Galatanu; Dorin Simoiu; Claudiu Voica; Ion Crâstiu; Liviu Bereteu (SACI, 2021)