HMA Specifications to Reduce Segregation and Improve ...

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Is there a Need for Change? Overlay 6 months old Placed with an MTV • New Texas DOT Highway Commissioner addressed Texas APA • Port Authority of New York and New Jersey rehab of of Newark Airport runway • Failed after 6 years – segregation and raveling • Commissioners’ warning
Is there a Need for Change? • Texas DOT and Texas APA worked together to improve HMA quality • Implemented Superpave • Copied and implemented Kansas specifications to reduce segregation using density profiles
Page 1 and 2: HMA Specifications to Reduce Segreg
Page 3 and 4: Need for HMA Quality • Prior to S
Page 5: Need for HMA quality • Low bid sy
Page 9 and 10: Texas HMA Density Specifications
Page 19 and 20: Improving HMA Quality with Specific
Page 21 and 22: Improving HMA Quality with Specific
Page 23: Improving HMA Quality with Specific

HMA Specifications to Reduce Segregation and Improve ...

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