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http://dx.doi.org/10.7855/IJHE.2012.14.2.055

An Alternative Effectiveness Analysis on Anti-Dew Road Sign  

Park, Jae-Hong (한국건설기술연구원 도로연구실)
Yun, Duk-Geun (한국건설기술연구원 도로연구실)
Sung, Jung-Gon (한국건설기술연구원 도로연구실)
Kang, Weon-Eui (한국건설기술연구원 첨단교통연구실)
Publication Information
International Journal of Highway Engineering / v.14, no.2, 2012 , pp. 55-61 More about this Journal
Abstract
Road signs are important facilities in terms of providing information to driver, they are helpful for driver's judgment as deliver it's own information. However if there is occurrence dew on the road sign because of the change of temperature and humidity, it can be cause of accidents. Therefore it is necessary to develop anti-dew or dew resistance technology. In this research the anti-dew technologies such as insulation road sign and anti-dew film were compared with normal road sign, and the effectiveness analysis was conducted for each alternatives. The quantity of dew on the road sign was check using ANOVA and Tukey HSD and the relation between the retro-reflectivity and quantity of dew on the sign was check using Pearson correlation coefficient. As a result, the sample of anti-dew film attached road sign showed lesser quantity of dew compared with normal road sign. After 90 seconds, the difference of dew quantity for anti-dew film and insulation road sign showed statistically significant result. The relation of between quantity of dew and retro-reflectivity was inverse correlation. As a result, when analyzed the quantity of dew and retro-reflectivity a point of view anti-dew effectiveness, the anti-dew film and insulation road sign showed meaningful result.
Keywords
dew; insulation material; anti-dew film; retro-reflectivity; ANOVA test;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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