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Jun-Han Siao
Department of Civil Engineering, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan

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Journal article
Published: 21 June 2021 in Materials
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The main contributing factor of the urban heat island (UHI) effect is caused by daytime heating. Traditional pavements in cities aggravate the UHI effect due to their heat storage and volumetric heat capacity. In order to alleviate UHI, this study aims to understand the heating and dissipating process of different types of permeable road pavements. The Ke Da Road in Pingtung County of Taiwan has a permeable pavement materials experiment zone with two different section configurations which were named as section I and section II for semi-permeable pavement and fully permeable pavement, respectively. The temperature sensors were installed during construction at the depths of the surface course (0 cm and 5 cm), base course (30 cm and 55 cm) and subgrade (70 cm) to monitor the temperature variations in the permeable road pavements. Hourly temperature and weather station data in January and June 2017 were collected for analysis. Based on these collected data, heat storage and dissipation efficiencies with respect to depth have been modelled by using multi regression for the two studied pavement types. It is found that the fully permeable pavement has higher heat storage and heat dissipation efficiencies than semi-permeable pavement in winter and summer monitoring period. By observing the regressed model, it is found that the slope of the model lines are almost flat after the depth of 30 cm. Thus, from the view point of UHI, one can conclude that the reasonable design depth of permeable road pavement could be 30 cm.

ACS Style

Ching-Che Yang; Jun-Han Siao; Wen-Cheng Yeh; Yu-Min Wang. A Study on Heat Storage and Dissipation Efficiency at Permeable Road Pavements. Materials 2021, 14, 3431 .

AMA Style

Ching-Che Yang, Jun-Han Siao, Wen-Cheng Yeh, Yu-Min Wang. A Study on Heat Storage and Dissipation Efficiency at Permeable Road Pavements. Materials. 2021; 14 (12):3431.

Chicago/Turabian Style

Ching-Che Yang; Jun-Han Siao; Wen-Cheng Yeh; Yu-Min Wang. 2021. "A Study on Heat Storage and Dissipation Efficiency at Permeable Road Pavements." Materials 14, no. 12: 3431.