Marta Słowik https://orcid.org/0000-0001-9627-3625


Concrete is a porous material containing aggregate of different sizes, hardened cement matrix with air pores, microcracks and water. Concrete internal structure is different from that of other engineering materials. Furthermore concrete is described as quazi-brittle material. Fracture processes in it form in a way that does not fit within classical theories. Therefore, to describe failure of concrete structures nonlinear fracture mechanics is often applied with success. Basic concrete parameters, like compressive and tensile strength, and modulus of elasticity, are not enough to analyze fracture processes in concrete structures. Additional fracture properties should be tested, among them fracture energy, complete diagram of stress-deformation under axial tension and the width of fracture process zone. Recognizing and testing fracture parameters is of paramount importance when analysing fracture process in concrete structures. The correct data of material’s properties and the adequate fracture model applied in numerical simulations influence final results. In the paper the findings reported in the professional literature are summarized and obtained results of the own numerical simulation are reported in order to  give a deeper knowledge on the role of aggregate on fracture properties of concrete.


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    SI: Steels and Composites for Engineering Structures

    How to Cite

    Słowik, M. (2021). The role of aggregate granulation on testing fracture properties of concrete. Frattura Ed Integrità Strutturale, 15(58), 376–385. https://doi.org/10.3221/IGF-ESIS.58.27