A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Producing a Sustainable, Bio-Based Alternative to Petroleum-Based Asphalt Binder
Ground tire rubber, also called “crumb rubber”, has been commonly used in the United States for modification of asphalt binder. There have been several studies on improving the interaction and adhesion between rubber and the asphalt binder matrix to alleviate the phase separation and settling of the rubbery phase. Using crumb rubber (CR) as an asphalt modifier enhances the performance of asphalt mixture at high, intermediate, and low service temperatures. Commonly practiced modifications for application of rubber particles inside the asphalt include very fine gal additives and stabilizers. The main idea of this project is to add bio-binder to crumb-rubber-modified (CRM) asphalt to enhance its lorinding of rubber particles using a cryogenic method, application of a high shear rate and high temperature to expedite rubber-asphalt interactions, and use of chemicw-temperature rheological properties while improving work-ability and reducing phase separation. The product produced by adding bio-binder to CRM asphalt is called Bio-Modified-Rubber (BMR) asphalt.
Producing a Sustainable, Bio-Based Alternative to Petroleum-Based Asphalt Binder
Ground tire rubber, also called “crumb rubber”, has been commonly used in the United States for modification of asphalt binder. There have been several studies on improving the interaction and adhesion between rubber and the asphalt binder matrix to alleviate the phase separation and settling of the rubbery phase. Using crumb rubber (CR) as an asphalt modifier enhances the performance of asphalt mixture at high, intermediate, and low service temperatures. Commonly practiced modifications for application of rubber particles inside the asphalt include very fine gal additives and stabilizers. The main idea of this project is to add bio-binder to crumb-rubber-modified (CRM) asphalt to enhance its lorinding of rubber particles using a cryogenic method, application of a high shear rate and high temperature to expedite rubber-asphalt interactions, and use of chemicw-temperature rheological properties while improving work-ability and reducing phase separation. The product produced by adding bio-binder to CRM asphalt is called Bio-Modified-Rubber (BMR) asphalt.
Producing a Sustainable, Bio-Based Alternative to Petroleum-Based Asphalt Binder
E. H. Fini (author)
2016
73 pages
Report
No indication
English
Elastomers , Civil, Construction, Structural, & Building Engineering , Materials Sciences , Transportation , Bio-Based Alternative , Petroleum-based asphalt , Bio-Modified-Rubber (BMR) , Sustainable , Asphalt binder , Crumb rubber modified asphalt concrete , Rheological behavior , Cryogenic aging , Chemicw-temperature
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