TIRES MAKE THE ROAD - ASPHALT RUBBER PAVEMENT CONSTRUCTION
Les Jorgenson
Abstract
Les Jorgenson
Abstract
The article describes asphalt rubber pavement construction, focusing on the reduced thickness design approach for asphalt rubber hot mix gap graded mixes adopted by the California Department of Transportation (Caltrans). This method, known as the Asphalt Rubber Hot Mix Gap Graded Specification, is the most popular mix used by agencies in the U.S. The article describes the formulation, process, and production rate for asphalt rubber mixes. The benefits of asphalt rubber use include reduced reflective cracking, traffic noise, design thickness, life cycle costs, increased fatigue life, and resistance to rutting.
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The article describes asphalt rubber pavement construction, focusing on the reduced thickness design approach for asphalt rubber hot mix gap graded mixes adopted by the California Department of Transportation (Caltrans). This method, known as the Asphalt Rubber Hot Mix Gap Graded Specification, is the most popular mix used by agencies in the U.S. The article describes the formulation, process, and production rate for asphalt rubber mixes. The benefits of asphalt rubber use include reduced reflective cracking, traffic noise, design thickness, life cycle costs, increased fatigue life, and resistance to rutting.
Key concepts: Asphalt, Rut, Natural rubber, Fatigue cracking, Asphalt pavement, Cracking, Engineering, Civil engineering