Abstract
The new model code for the design of concrete structures of the Comite Euro-International du Béton (CEB) includes extensive information on constitutive relations for concrete and reinforcing steel. In this model code relations are also proposed to predict fracture properties of concrete on the basis of fracture mechanics concepts. In particular fracture energy G F is given as a function of concrete grade, maximum aggregate size and temperature. In addition, bilinear stress-strain and crack opening relations are presented. In this paper these relations are verified on the basis of theoretical considerations and available experimental data.
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Hilsdorf, H.K., Brameshuber, W. Code-type formulation of fracture mechanics concepts for concrete. Int J Fract 51, 61–72 (1991). https://doi.org/10.1007/BF00020853
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DOI: https://doi.org/10.1007/BF00020853