Abstract
Key aspects of tire-rubber-waste collection, accumulation, processing, and further application have been examined. Special attention has been paid to application of ground tire rubber as a road-pavement modifier. The data on the structure and properties of tire-rubber powders obtained by different grinding techniques have been presented. It has been established that active tire-rubber powder (APDDR) fabricated by means of high-temperature shear grinding exhibits substantial advantages as compared to other rubber powders. In particular, applying these powders as modifiers has allowed to significantly improve properties of the paving bitumen and, as a result, the quality of asphalt concrete.
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