Abstract
Large amounts of wastewater are produced annually and treated for use in agriculture, irrigation and groundwater replenishment. The produced treated wastewater (TWW) can be used as an alternative to the millions of gallons of fresh water that are typically used in pavement construction. This study was conducted to investigate the potential of using treated wastewater in base course layer in pavements. Chemical analysis tests were conducted both on the treated wastewater samples and on tap water to determine their properties. Samples of the base course material were prepared and soaked using the two different TWW samples as well as the tap water. Proctor compaction and California Bearing Ratio (CBR) tests were conducted on the prepared samples, and the results have shown that TWW can be a suitable replacement for fresh water in base course layers in pavement construction.
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