A Performance Evaluation of Porous Asphalt as a Stormwater ...

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Zinc PerformanceZn Event Mean Concentration (mg/L0.100.080.060.040.020.00InfluentJ-PASThe UNH Stormwater Center2005
Conclusions• Peak flow and volume reduction are substantialdependenton subdrain design• Water quality performance is similar to sand filters---excellent removal- except for NO3• IR rates declined initially and appear to havestabilized• Long term infiltration rates will need to be monitored• Coring is needed to determine mechanism ofdecreased IR• Appears to be a sound alternative to conventionalBMPs• Maintenance impacts will need to be evaluatedThe UNH Stormwater Center2005
Page 1 and 2: A Performance Evaluation of PorousA
Page 3: Research ObjectiveTo evaluate porou
Page 6 and 7: DESIGN SOURCES• Modified After Ve
Page 8 and 9: Methods• Data collection and stor
Page 10 and 11: What is Porous Asphalt?
Page 12: Porous AsphaltPavement• = binder
Page 15 and 16: I-95 North, June 2005, OGFC overlay
Page 17 and 18: Misconceptions AboutPorous Asphalt
Page 19 and 20: Surface Inundation Test• Surface
Page 21 and 22: Surface Infiltration Rates at 3 Loc
Page 23 and 24: Frost PenetrationWinter 2005 Frost
Page 25 and 26: Rainfall and RunoffMarch 28, 2005 S
Page 27 and 28: TSS Performance90.00TSS Event Mean
Page 29: TPH-D PerformanceTPH-D Event Mean C
Page 33: Questions?

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