Warm-mix asphalt contains a wax allowing it to be mixed and laid at substantially lower temperatures than traditional “hot-mix” asphalt. It can also be laid thicker and cures more quickly, is less smelly (good for the neighbors and workers) and it may last longer than the pavement it replaces. Warm-mix asphalt has been used at European airports, on race tracks and in high-use port applications, but Logan is the first US airport to try it, under strict FAA guidelines.
Read the rest of November's In Motion articles in the digital edition of CitiesGoGreen.
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