Size effect in tensile and compression fracture of concrete structures: computational modeling and design

The paper has a two-fold pui-pose: (1) to review the main recent re-sults on the problems of size effect in tensile and compression fracture of concrete structures, and (2) to present some new developments. The review focuses on simple approximate size effect formulae suit-able for design, as well as the computational modeling of fracture re-quired for the assessment of size effect. One new form of the formula for size effect in failures occurring at crack initiation is presented in this context. The new results include analysis of scaling of quasibrit-tIe fracture through an extension of the J-integral and its use for the formulation of asymptotic size effect formula