Modelling of tension softening in quasi-brittle materials by an array of circular holes with edge cracks

Concrete, rocks, non-phase transforming ceramics and sintered metals respond non-linearly to tension/flexure both before and after the attainment of their ultimate tensile/flexural strength. The pre-peak response is similar to any moderately strain hardening material, but the post-peak response is characterized by increased deformation with decreasing stress transfer capability as a result of localization of deformation. Such a behaviour is...