Porous Asphalt Pavements for Storm Water Management
Porous Asphalt Pavements for Storm Water Management
Porous Asphalt Pavements for Storm Water Management
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Materials & Design: Structural – Heavy<br />
• ADOT Constructed Structural <strong>Porous</strong><br />
Pavement Roadway<br />
– Constructed in 1986<br />
– 6” of 3/8” NMAS Open Graded <strong>Asphalt</strong><br />
• SN = 0.40<br />
– 6” <strong>Asphalt</strong> Treated Permeable Base<br />
• SN = 0.20<br />
– 8” Stone Recharge Bed<br />
• SN = 0.11<br />
• Per<strong>for</strong>ming Well as of 2008<br />
– MR of <strong>Porous</strong> <strong>Asphalt</strong> ≈ 32 – 45% of Dense HMA