Evaluation of the Fracture Behavior of Asphalt Concrete Prepared In-Field Using Semi-Circular Bending (SCB) Test

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dc.contributor.authorAbut, Yavuz
dc.date.accessioned2022-03-01T21:52:48Z
dc.date.available2022-03-01T21:52:48Z
dc.date.issued2022-02-11
dc.description.abstractMany highway administrations allocate significant annual budgets for the maintenance, repair and rehabilitation activities for the asphalt pavements. Cracks that develop daily and seasonally due to the environmental or mechanical effects caused by axle loads, propagate over time and become an important type of distress in asphalt layers. Thermal cracks in asphalt pavements occur frequently at low temperatures, and although these cracks do not initially cause failure, the severity of the damage begins to increase as the crack propagates over time. In this study, core specimens (Surface Course, Type-1) cut from the field were used to investigate crack initiation and propagation for Hot Mix Asphalt (HMA) at low temperatures. The fracture properties of the SCB (Semi-Circular Bending) specimens were determined by applying the bending procedure in accordance with AASHTO TP105-13. As a result of experimental works; Fracture Energy = 1389 J/m2, Stiffness = 13.74 kN/mm and Fracture Toughness = 0.32 MPa × m0.5 were determined. Micro cracks formed at the aggregate-bitumen interface due to traffic effects accelerated crack propagation. It has been concluded that the core specimens cut from the field in order to determine the fracture behavior at low temperatures in asphalt pavements can be an alternative to the specimens obtained in the laboratory by compaction or gyratory methods.tr_TR
dc.identifier.isbn978-625-7367-54-7
dc.identifier.urihttp://dspace.yalova.edu.tr/handle/1/141
dc.language.isoentr_TR
dc.publisher3rd International Congress on Engineering Sciences and Multidisciplinary Approachestr_TR
dc.subjectSemi-Circular Bending Test, Asphalt Pavement, Fracture Toughness, Fracture Energytr_TR
dc.titleEvaluation of the Fracture Behavior of Asphalt Concrete Prepared In-Field Using Semi-Circular Bending (SCB) Testtr_TR
dc.typeArticletr_TR
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