Evaluation of a drainage blanket in an asphalt shoulder section : interim report.
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1974-02-01
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Abstract:The aim of this research project was to develop a permeable, yet stable, hot mix asphaltic drainage system for a typical pavement section. Development of such systems should provide the Department with effective means of draining water from highway bases and subbases and thus prolong the lives of those highways.
Previous research indicates that a multi-layered system of asphalt treated drainage courses is many times more effective than single-layered aggregate drains. In this study, the investigators evaluated the permeability and stability of a two-layered asphalt-treated drainage system incorporated into the shoulder of a major roadway.
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