Abstract
This chapter discusses on the fracture behavior of hot mix asphalt (HMA) concretes. Procedure of performing fracture tests by using different test specimens including SENB, DC(T), SCB, etc. are described. These specimens are able to produce various combinations of mode I and mode II deformation at the crack tip. The effects of different parameters including aggregate type (e.g., granite, limestone, etc.), aggregate gradation, air void content, binder (i.e., binder type and binder content), temperature, nanomaterials (e.g., nanoclay, carbon nanotubes, etc.), fibers (e.g., kenaf, basalt, carbon, etc.) and additives (e.g., crumb rubber, SBS, etc.) on the fracture toughness of HMA mixtures are then discussed by reviewing investigations performed on these issues. Fracture behavior of HMA concretes subjected to mixed mode I/III and pure mode III loadings is finally evaluated.
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