HI-RECYCLE ASPHALT BATCH PLANT

A method for producing an asphalt concrete blend that includes the steps of drying and heating aggregate in a single and only dryer, preferably via direct heating, and without use of a pre-dryer. The aggregate is then combined with asphalt cement, preferably via indirect heating, such that the blend...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Varner, Michael, Renegar, Greg, Swanson, Malcolm Leland, Edwards, JR., Earl
Format:	Patent
Sprache:	eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
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Beschreibung
Zusammenfassung:	A method for producing an asphalt concrete blend that includes the steps of drying and heating aggregate in a single and only dryer, preferably via direct heating, and without use of a pre-dryer. The aggregate is then combined with asphalt cement, preferably via indirect heating, such that the blend has an asphalt cement components (ACC) percentage of at least 25% percent to form an aggregate mix. Liquid asphalt cement may also be added to the aggregate mix. Preferably, the asphalt cement content of the final asphalt concrete blend is provided by a maximum of 70% ACC. In certain cases, the asphalt cement content of the asphalt concrete blend is comprised of ACC and liquid asphalt cement.