The main purpose of water-absorbing pavement is the same as that of heat-resistant pavement, which is to reduce the temperature of the pavement structure. A special glue that can make water enter the voids of the porous asphalt mixture. After raining or sprinkling, the glue can keep the water for several days, and then it will bring the heat of the walking surface when it evaporates. Therefore, the surface temperature drops by 5 to 10°C. <br>Since the glue is white, the water-absorbing pavement and the heat-resistant pavement have similar effects. The white glue can avoid absorbing the heat of sunlight, so the surface temperature drops by 5 to 10°C.
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