Abstract:The non-linear fracture mechanical problem of combined crack growth and reinforcement action is modelled by adopting a simplified fictitious crack model for concrete and a linear elastic-plastic action for the reinforcement. The softening relation of the concrete is assumed to be linear, however, the crack growth is further simplified by introducing a continuous layer of springs at the midsection mainly representing a simplified material response araund the fracture zone. In the reinforcement the strain condit… Show more
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