Overseas Road Note 19, appendix H: recycling of bituminous materials.

Abstract

The use of thick bituminous surfacings in developing countries is increasing as traffic loads increase. When they become worn out the recycling of such materials can reduce costs and damage to the environment by reducing the exploitation of local natural resources. This is particularly true for countries where there is a shortage of road-building aggregate or where there are no indigenous oil reserves.

This appendix covers: methods of recycling, methods of sampling asphalt, methods of obtaining Reclaimed Asphalt Pavement (RAP), stockpiling RAP, the use of RAP as unbound granular material, cold mix recycling, plant hot mix recycling, evaluation and design - plant hot mix recycling, bitumen rejuvenators, blending with a soft bitumen, mix design and recycling feasibility studies.

Citation

Overseas Road Note 19, appendix H: recycling of bituminous materials.

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