SYMPOSIA PAPER Published: 01 January 1982
STP32460S

Properties of Marginal Aggregates Treated with Asphalt Emulsion

Source

The suitability of asphalt emulsions for upgrading marginal aggregates has been evaluated. The aggregates tested included a high quality basalt, two low quality marine basalts, and a fine grained dune sand. Mix properties evaluated included diametral resilient modulus and diametral fatigue life for both as-compacted specimens and specimens conditioned by moisture exposure. Layered elastic design principles were used with the dynamic test results to develop layer equivalencies for emulsion treated marginal aggregates compared with hot mix asphalt concrete. The results indicate that beneficiation of marginal aggregate with asphalt emulsions should make acceptable paving mixes, particularly for low volume roads.

Author Information

Evans, GL
Williamette National Forest, Eugene, Ore.
Hicks, RG
Transportation Research Institute, Oregon State University, Corvallis, Ore.
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Details
Developed by Committee: D04
Pages: 119–138
DOI: 10.1520/STP32460S
ISBN-EB: 978-0-8031-4839-0
ISBN-13: 978-0-8031-0611-6