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http://dx.doi.org/10.12814/jkgss.2019.18.1.079

Experimental Study on Reducing Effect for Surface Temperature of Recycled Synthetic-Resin Permeable Block  

Lee, Chul-Hee (Dept. of Civil and Environmental Engineering, Incheon National University)
Lee, Arum (Dept. of Civil and Environmental Engineering, Incheon National University)
Shin, Eun-Chul (Dept. of Civil and Environmental Engineering, Incheon National University)
Ryu, Byung-Hyun (Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korean Geosynthetics Society / v.18, no.1, 2019 , pp. 79-89 More about this Journal
Abstract
The field measurement and laboratory experiment were conducted to investigate the effect of reducing the surface temperature of the functional aspect of the heat island phenomenon of the permeable block which is made the recycled synthetic resin rather than the existing concrete permeable block. Field measurement was taken for 3 days in consideration of dry condition and wet condition and laboratory experiment was divided into dry condition, rainfall simulating condition, and wetting condition. The variations of temperature and the evaporation rate of water moisture content after experiment were confirmed. As a result of field measurement, it is confirmed that the surface temperature decreases due to the difference in albedo of the pore block surface rather than the cooling effect due to the latent heat of vaporization. The evaporation of moisture in a dry state where drought persisted or a certain level of moisture was not maintained in the surface layer. As a result of laboratory experiment, resin permeable block gives higher surface temperature when it is dry condition than concrete permeable block, but the evaporation of water in the pore is kept constant by capillary force in rainfall simulation condition, and higher temperature reduction rate. As a result of measuring the evaporation rate after laboratory experiment, it is confirmed that the effect of reducing temperature is increased as the evaporation rate of water is higher. Based on these results, correlation formula for evaporation rate and temperature reduction rate is derived.
Keywords
Permeable block; Recycle synthetic resin; Heat island; Vaporization; Decrease temperature;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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