
doi: 10.36909/jer.19049
Shingle material can appear as an excess usage due to defective production problems or at the end of theirservice life. Especially the reuse of shingle materials in bitumen has brought a different approach in terms ofsustainability. In this study, the utilization of production shingle waste material in asphalt pavement wereinvestigated. Mechanical properties of hot mix and warm mix asphalt samples involving different amount ofproduction shingle waste (1-6% by weight of the aggregate) were evaluated. Following the determination ofoptimum rate of shingle waste bitumen content is reduced to decrease both hazardous effects of bitumen andproduction cost. Marshall Mix Design criteria was employed on determination of maximum reduction on bitumencontent and the amount of shingle utilization within the asphalt pavement. As a final analysis, indirect tensile testswere performed on the specimens prepared with determined bitumen content and shingle waste. As a result, it isconcluded that, utilization of waste shingles within the asphalt mixture not only benefits the environment and costbut also improves Marshall stability and Marshall quotient of the mixtures.
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