International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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Evaluation of Reasonableness of the Recommended Spraying Amount Equation for De-icing Chemicals

도로 제설제 권장 살포량 산정식의 적정성 평가

  • 김진국 (한국건설기술연구원 도로연구소) ;
  • 양충헌 (한국건설기술연구원 도로연구소, 과학기술연합대학교대학원 교통물류 및 ITS공학과)
  • Received : 2017.03.08
  • Accepted : 2017.07.25
  • Published : 2017.08.16
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Abstract

PURPOSES : This study evaluates the reasonableness of the recommended amount of deicing chemicals based on historical data for snow removal. The result can be used to aid decision-making for the reservation of cost-effective de-icing chemicals. METHODS : First, the recommended amount of de-icing chemical to use and historical usage data were evaluated to identify specific usage characteristics for each region. Road maintenance length and snow-removal working days were analyzed over the past five winter seasons. Next, differences in the recommended amount of chemical to use and actual use were compared using the Kolmogorov-Smirnov test. Last, the two types of data were analyzed using a chi-square test to verify if the two distributions of variation pattern are statistically significant. We found that there are significant differences between the data from each region during the past five winter seasons. RESULTS : The results showed that the equation for calculating the amount of de-icing chemical to use appears to be revised. CONCLUSIONS : The results imply that the equation for calculating the amount of de-icing chemical to apply as a national standard is very important when the public agency makes decisions related to snow-removal.

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