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Resilient Asphalt Roads: Modified Asphalt Mix Reduces Thermal Cracking

Alaska DOT and contractors are taking adaptive measures to deal with the state’s extreme temperatures and permafrost. Alaska’s rapidly changing climate is causing problems with permafrost — ground that stays colder than 32ºF continuously for at least two years. Permafrost that stays frozen doesn’t cause issues. But ice-rich, thaw unstable permafrost is susceptible to thawing.

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Asphalt Pavement Alliance (APA)

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