To ensure successful implementation of Superpave in Arkansas, AHTD addressed the concern over ACHM permeability by sponsoring research project TRC-9901, “Permeability of Superpave”. The primary objective of the research was to develop strategies for considering ACHM permeability during design and/or construction. Implementation of such strategies could include test specifications for determining the permeability of ACHM; design policies for increasing the drainage ability of the pavement structure; revised ACHM material specifications regarding gradation or other properties; and/or construction guidelines/specifications regarding field density requirements.
During the last year all of the states within the southeast have placed Superpave deigned mixtures. Most have been on the coarse side of the restricte...
Superpave is an acronym for Superior Performing Asphalt Pavements. Superpave is a new, comprehensive asphalt mix design and analysis system, a product...
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