TxDOT's Sustainable Pavements: Low Carbon Materials/Alternative ...

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Benefits: SafetyPFC A-R‣ Significant reduction in major accidents after the PFCA-R overlay is placed• Drains the water off the roadway quicker• Reduces spray and glare• Improves visibility of traffic markings‣ Coarse macro-texture of PFC A-R improves frictionalcharacteristics which:• Improves the skid resistance• A study of the PFC R-A overlay on I-35 in San Antonio showed askid resistance of more than 200%• Reduces the risk of hydroplaning
PFC A-RI-35, San Antonio 1.5” PFC A-R laidover concrete roadway inboundlane, outbound lane concrete onlyTypical Use:‣ Surface course on high-speed roadways‣ PFC Asphalt Rubber (A-R) is recommended as anoverlay on concrete pavement
Page 1: 2010 AASHTO Climate ChangeSymposium
Page 4 and 5: Warm Mix Asphalt (WMA) andHot Mix A
Page 7 and 8: Warm Mix Asphalt (WMA)‣Warm Mix A
Page 9 and 10: WMABenefits: Reduced Emissions• U
Page 12 and 13: PFC‣PFC Asphalt-Rubber (A-R) is g
Page 17 and 18: PFC A-RBenefits: Reduced Traffic No
Page 19 and 20: PFC PGBenefits: Improved Water Qual
Page 21 and 22: Recycled Concrete and Flyash used i
Page 23 and 24: Recycled Concrete and Flyash used i
Page 25: Questions?

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