INFLUENCE OF MINERAL FINES ON AGING ASPHALT AND RELATED STUDIES
A VARIETY OF PETROLOGICALLY DIFFERENT FINE AGGREGATES WERE TESTED FOR A SPECTRUM OF CHARACTERISTICS AND BEHAVIOR. THE SURFACE AREA, PARTICLE-SIZE DISTRIBUTION, MINERAL COMPONENTS, CHEMICAL ANALYSIS, AND PLASTIC PROPERTIES WERE DETERMINED. OBSERVATIONS AND PHOTOGRAPHS WERE MADE WITH A SCANNING ELECTRON MICROSCOPE. EACH MINERAL FINE TYPE WAS MIXED WITH A REFERENCE ASPHALT CEMENT, GIVEN A SIMULATED AGING EXPOSURE, WEATHEROMETER TESTS, AND TENSILE, SHEAR, AND ADHESION EVALUATION. MINERAL FINES EXAMINED HAD FRACTURED, ANGULAR, AND IRREGULAR SHAPES WITH VARYING SURFACE AREAS AND PARTICLE SIZE DISTRIBUTION, AND THESE PROPERTIES ARE SHOWN TO PROVIDE STABILITY TO THE PAVEMENT. /AUTHOR/
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Corporate Authors:
Phillips Scientific Corp
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Authors:
- Gagle, D W
- Draper, H L
- Publication Date: 1972-7
Media Info
- Pagination: 239 p.
Subject/Index Terms
- TRT Terms: Chemical analysis; Durability; Electron microscopes; Fine aggregates; Mineral aggregates; Pavements; Plasticity; Surfaces; Weathering
- Uncontrolled Terms: Particle size distribution; Surface area
- Old TRIS Terms: Aging
- Subject Areas: Geotechnology; Highways; Pavements;
Filing Info
- Accession Number: 00217921
- Record Type: Publication
- Files: TRIS
- Created Date: Apr 23 1973 12:00AM