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3. Brazilian Association of Technical Standards, ‘Code for the projects and the execution of concrete structures’, in Portuguese, new revision of NBR-6118. Rio de Janeiro, Brazil, 2001.
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5. Bosco, C., Carpinteri, A. and Debernardi, P. G., ‘Use of the brittleness number as a rational approach to minimum reinforcement design’, in ‘Analysis of concrete structures by fracture mechanics’, Proceedings of a RILEM Workshop, Abisko, Sweden, (1989).