A Performance Evaluation of Porous Asphalt as a Stormwater ...
A Performance Evaluation of Porous Asphalt as a Stormwater ...
A Performance Evaluation of Porous Asphalt as a Stormwater ...
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Study Details• March 2005-Present: 4 storms included, 5 add’tl to beanalyzed, challenged by no-flow events• A paired design: half dense mix <strong>as</strong>phalt, half porous,<strong>as</strong>phalt• Located at the UNH <strong>Stormwater</strong> Center in Durham.• Part <strong>of</strong> a 600+ space parking lot is standard dense mix<strong>as</strong>phalt used near capacity throughout the academicyear.• Activity is a combination <strong>of</strong> p<strong>as</strong>senger vehicles androutine bus traffic.• Time <strong>of</strong> concentration= 6 minutes, slopes = 1%• Frequent plowing, salting, and sanding during the wintermonths.• Contaminant concentrations are above or equal tonational norms for parking lot run<strong>of</strong>f.The UNH <strong>Stormwater</strong> Center2005
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