Cervenka Cervenka Consulting, Prague, Czech Republic J. Oz bolt and R. Eligehausen Building Materials, Stuttgart University, Germany Smeared crack finite element constitutive model based on the frac- ture energy concept is an accepted numerical tool the finite ~ ... '"'…
Cervenka Cervenka Consulting, Prague, Czech Republic J. Oz bolt and R. Eligehausen Building Materials, Stuttgart University, Germany Smeared crack finite element constitutive model based on the frac- ture energy concept is an accepted numerical tool the finite ~ ... '"' ......... ,J ...... U fracture analysis of concrete structures. Discrete cohesive cracks are simulated by means of material softening continuum mechanics. Localization limiters must be introduced in order avoid sensitivity to the finite element size and orientation. The in- fluence of irregularities in discretization, using various localization limiters, is discussed in this paper and demonstrated on few exam- Practical recommendations for the numerical simulation concrete fracture when using smeared crack models are drawn. Fracture is an important mode of failure in both plain and reinforced concrete structures. Two dominant techniques used in the finite element modelling of fracture are discrete and smeared approaches, respectively (ACI, 1995). The smeared crack model introduced by Rashid (Rashid, 1968) and Cervenka (Cervenka, 1970) has OJ''V'--'-'-'--'--'-'--' most widely used in practice, paper. The crack model is computationally and can handle single, multiple and manner. Thus, it can be used for both, Concrete fracture modeled through material proper- ties.