By the year 2005, the use of chlorinated solvents is to be eliminated. Faced with this eventuality, VDOT formed a task force to look at alternatives for the acceptance of asphalt mixes. One alternative is to use biodegradable solvents in the extraction tests. Although this alternative is being examined, there are some disadvantages to using these solvents, among which are the equipment needed and time required for testing. The study discussed here examines an alternative procedure that uses a nuclear asphalt content gauge for the determination of asphalt content and cold feed aggregate gradations for aggregate monitoring.
The objective was to design and test mixes that might satisfactorily be used to replace the asbestos curb mix. Tentatively, it was recommended that a ...
This report discusses the basis of the original Marshall design criteria established by the Waterways Experiment Station and criteria used by the Asph...
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