Abstract
Porous asphalt pavement is a sustainable infrastructure tool used to benefit urban resilience. This paper summarizes the design, construction, and maintenance practices of porous asphalt pavements (PAPs) specific to cold regions. It includes discussions on the structural design considering frost depth and frost heave of subgrade soils, material selection and design for adequate freeze-thaw durability, construction of PAPs in cold weather, winter maintenance of PAPs for snow and ice control, and performance deterioration caused by other winter activities such as studded tires. Distinguished from other review works on this topic, the major contributions of this review paper employ case studies of PAPs to address design, construction, and maintenance concerns of PAPs in cold regions. These projects have demonstrated the success of using PAPs in cold regions and design practitioners can refer to these case studies for the new design and installation of PAPs in cold regions.
Highlights
Permeable pavement is a unique class of pavement that functions as both a structural vehicular and pedestrian surface, and as a stormwater management tool to reduce surface runoff
≤ 4 (Mineral Filler) aAdditional aggregate tests include durability tests for coarse aggregates (ODOT TM 208) and harmful substances (AASHTO T113) bThe requirements depend on the equivalent single axle loads (ESALs) cAddtional aggregate requirements include clay content (AASHTO T 176) less than 30%, total spall in fraction retained on No 4 Sieve less than 2.5%, spall content in total sample less than 2.5%, and percent slumps in fraction retained on No 4 Sieve less than 0.5%
Coating ≥90% (ASTM D3625) or surrogate dense graded mix a Indicated in the Appendix B of National Asphalt Pavement Association (NAPA) IS 115 [29] b Apply a vacuum of 87.8 kPa for 10 min to saturate the compacted specimens and conduct five freeze/thaw cycles cProperties of cellulose fiber and mineral fiber are specified in detail
Summary
Permeable pavement is a unique class of pavement that functions as both a structural vehicular and pedestrian surface, and as a stormwater management tool to reduce surface runoff. This guideline becomes debatable, as several PAPs, which have the total designed thickness much lower than the local frost depth but exhibited no frost damages in cold regions [17].
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