Asphalt paving

Asphalt that is cooler than about 170°F is relatively stiff, resists rolling, cures to a lower density than hotter areas and is prone to premature failure. Note the low-temperature spots in the thermograph, which are as cool as 70.9°C (159.6°F) and correlate exactly with the visibly worn spots in the visual photo of the same section of roadway.

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