paper proposes a method for concrete, i.e. Young's modulus, E, ..... A .. ,U.- through the same bending test on a ...... J._..., ......... , ...... Firstly, fracture energy is evaluated deflection curve the bending Recommendation. Secondly, the Young's .....…
paper proposes a method for concrete, i.e. Young's modulus, E, ..... A .. ,U.- through the same bending test on a ...... J._..., ......... , ...... Firstly, fracture energy is evaluated deflection curve the bending Recommendation. Secondly, the Young's ..... ,."", ................. .., compliance the same curve. evaluated from peak load same curve derived from the relationship between net ratio and brittleness number, or the 'T""111""r'l by the Fictitious Crack Model. The proposed method is verified the literature. detennined strength are about 10% lower than the l"'A•"'r"'''"""'"·t">rll "' ...... other separate experimental tests. From a agreement may be satisfactory. The method testing method for the detennination fracture properties of concrete, though assessment is needed. mechanics models such as Fictitious Crack Model •Arn,r.rcr et al. 976), Crack Band Model by Bazant to a realistic description of fracture a result, those models predict size effects of of and lightly reinforced concrete approaches on strength Mechanics (LEFM). introduction of (FPZ), it is to great care should be to obtain stable and 988).