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DESIGNING STONE MATRIX ASPHALT MIXTURES FOR RUT-RESISTANT PAVEMENTS. PART 1: SUMMARY OF RESEARCH RESULTS. PART 2: MIXTURE DESIGN METHOD, CONSTRUCTION GUIDELINES, AND QUALITY CONTROL/QUALITY ASSURANCE PROCEDURES

1999; Issue: 425 Linguagem: Inglês

0077-5614

E R Brown, L A Cooley,

Grouting, Rheology, and Soil Mechanics

This report presents a mix design method and construction guidelines for stone matrix asphalt (SMA) in the form of recommended American Association of State Highway and Transportation Officials (AASHTO) standard specifications and practices. It will be of particular interest to materials engineers in the state highway agencies as well as agency and contractor personnel responsible for design and construction of hot mix asphalt (HMA) paving projects. The report also contains a summary of research results that support the development of the method and guidelines, including experimental data obtained during SMA pavement construction to validate the laboratory findings. SMA is defined as an HMA prepared with gap-graded aggregate in order to maximize the asphalt binder content and coarse aggregate fraction.