Abstract
In this study, effect of the timestep and thermography method when measuring the surface temperature of the road and surround temperature on pavement watering was verified. The study result showed that the temperature of the surface and surround air were dropped after watering according to the cooling effect, and the temperature change tends to occur considerably within 10 min in this experiment. Therefore the short timestep should be applied according to the site condition to assume the cooling effect of pavement watering. In addition, thermography method showed to be inaccurate right after the watering and when the solar radiation is strong. Therefore, it is necessary to consider the above when using thermography method.
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