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: <strong>Porous</strong> <strong>Asphalt</strong><br />
• Bump Binder Grade from PG64-‐22 to PG76-‐22<br />
– Two Grades up from Standard Grade<br />
• Air Voids: Min. of 16%<br />
• <strong>Asphalt</strong> Content: Min. of 5.75%<br />
• Moisture Suscep=bility – These mixes have<br />
very low Stripping Poten=al<br />
– Rule of Thumb: If Dense-‐Graded Mix using this<br />
aggregate requires An=-‐Strip Agent, Use it.<br />
– Georgia is a Lime State, but may also consider<br />
WMA addi=ves like EvoTherm
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