Next-Generation Permeable Pavement for Enhanced Durability and Functionality
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2025-01-01
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Edition:Final Report (09/23 – 1/25)
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Abstract:This study addresses the durability challenges of Open-Graded Friction Course (OGFC) by developing next- generation porous asphalt with improved mechanical, functional, and other properties. Modified OGFC mixes incorporating recycled waste materials, including steel slag, plastic waste, and reclaimed asphalt pavement (RAP), demonstrated enhanced performance and met key engineering criteria while reducing adverse impacts. Additional modifications, such as using highly modified asphalt (HiMA) and hydrated lime slurry, further improved resistance to raveling, cracking, and deformation. These enhancements ensured better durability and cost-effectiveness compared to conventional OGFC, contributing to extended pavement service life and reduced maintenance costs. OGFC’s open-pore structure facilitates biodegradation of hydrocarbons like motor oil, making it effective for bioremediation and stormwater quality improvement. Unlike dense-graded asphalt, OGFC prevents hydrocarbon runoff contamination, offering strategic road construction solutions. The study also developed an AI-based design tool capable of predicting OGFC performance based on specified input variables, significantly reducing reliance on extensive laboratory testing. This user-friendly tool empowers engineers, especially in small communities, to make data-driven decisions, promoting durable and efficient road construction. Collectively, the study advances OGFC technology, aligning with optimal practices while ensuring economic viability and improved outcomes in Region 6.
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Main Document Checksum:urn:sha-512:0b65c959f7d7fe6c2fcdbf4a3b68335b8657434cfc906b5bbc1cf1b96a740d7947737b8e30cea3533fdf5a7f3624b9aa87452b9f0299d53f0fc7ed454d94bfb5
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