Tag: schedule overlays

Roadbuilding
Perpetual Pavement an Inch at a Time
Perpetual pavement can be applied to lower-volume roads or to rehabilitations of thinner pavements.
December 1, 2012
Layer on Layer: Adding asphalt layers as thick as a quarter can be a sound way to manage secondary road. By adding one inch of asphalt, you can reduce the aggregate base requirement by about four inches or more, offsetting the increased cost of the additional asphalt. Furthermore, thinner aggregate bases require less excavation, yielding even more savings.
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