Laboratory Evaluation of Polymer and Multi-Grade Asphalt Binders, MLR-90-5, 1992

(1992) Laboratory Evaluation of Polymer and Multi-Grade Asphalt Binders, MLR-90-5, 1992. Transportation, Department of

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Abstract

A number of claims have been made that polymer modified asphalt cements, multi-grade asphalt cements, and other modifications of the liquid asphalt will prevent rutting and other deterioration of asphalt mixes, thereby, extending the service life of asphalt pavements. This laboratory study evaluates regular AC-20 asphalt cement, PAC-30 polymer modified asphalt cement and AC-10-30 multi-grade asphalt cement. PAC-30 was also evaluated with 15% Gilsonite and 15% Witcurb in a 75% crushed stone - 25% sand mix. These mixtures were evaluated for all Marshall properties along with indirect tensile, resilient modulus, and creep resistance.

Item Type: Departmental Report
Keywords: Asphalt cement, Asphalt concrete, Asphalt stabilizers, Polymers
Subjects: Transportation
Transportation > Research
Transportation > Research > Concrete
ID Code: 16120
Deposited By: Iowa DOT Library
Deposited On: 24 Feb 2014 16:40
Last Modified: 01 Oct 2014 11:48
URI: http://publications.iowa.gov/id/eprint/16120