Study on the Influence of Clogging on the Cooling Performance of Permeable Pavement
AbstractPermeable pavement is often known as “cool road”. However, the cooling performance will be weakened due to clogging. In this paper, the temperature field distribution model of asphalt pavement was obtained by Green’s function. Gradations of porous asphalt mixture were designed to obtain different porosities, and the thermal properties of specimens with different porosities were tested and calculated. The simulation test was carried out to obtain the heating curves, which were used to verify the accuracy of the temperature model by comparing the results of the theoretical calculation to results of the test. The daily solar radiation intensity and air temperature changing functions were plugged into the model to calculate the temperature at the bottom of the middle surface. In this way, the simplified model of void fraction and cooling performance of the porous asphalt pavement was obtained. The results showed that the temperature at the bottom of the middle surface for permeable pavement was lower than that for traditional asphalt pavements. The gap was between 0.29 to 2.75 °C and it increased as the porosity of permeable pavement increased. View Full-Text
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Xie, J.; Jia, S.; Li, H.; Gao, L. Study on the Influence of Clogging on the Cooling Performance of Permeable Pavement. Water 2018, 10, 299.
Xie J, Jia S, Li H, Gao L. Study on the Influence of Clogging on the Cooling Performance of Permeable Pavement. Water. 2018; 10(3):299.Chicago/Turabian Style
Xie, Jianguang; Jia, Sicheng; Li, Hua; Gao, Lei. 2018. "Study on the Influence of Clogging on the Cooling Performance of Permeable Pavement." Water 10, no. 3: 299.
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