KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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Characteristics of Heavy Vehicles Using Expressway Networks Based on Weigh-in-motion Data

WIM 데이터를 이용한 고속도로 중차량 특성 분석

  • 길흥배 (한국도로공사 도로교통연구원) ;
  • 강상규 (한국도로공사 도로교통연구원)
  • Received : 2013.02.18
  • Accepted : 2013.08.07
  • Published : 2013.09.30
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Abstract

The design life and durability of the bridges are strongly affected by the Gross Vehicle Weight(GVW) of heavyweight trucks. The Weigh-In-Motion(WIM) systems are typically used to collect information on truck total weight and speed. The statistical analysis of the GVW measured using High Speed WIM systems showed that most of heavy vehicles were from Vehicle Type 7, 10, and 12. The analysis was also carried out to determine goodness of fit with theoretical probability distributions. The normal distribution was shown to best describe the overall distribution of GVW. The top 10% of the GVW appeared to best fit by the Weibull 3 probability distribution.

교량의 내구성과 설계수명 평가에 있어 대형화물차와 같은 중차량의 총중량 크기와 분포 특성은 큰 영향을 미치며, 총중량의 특성은 WIM 시스템에서의 측정 데이터를 활용하여 파악하고 있다. 고속도로상에 설치된 고속 WIM 시스템을 통해 측정된 중차량의 분포를 분석한 결과, 대부분의 중차량은 7종, 10종, 12종 화물차에서 발생하였다. 이들 화물차의 전체적인 총중량 분포와 상위 총중량 분포에 대한 확률분포 모델을 추정하였다. 전체적인 총중량 분포는 정규확률 분포에 근접하는 것으로 분석되었으며, 상위 10% 데이터는 극치분포의 하나인 Weibull 3 확률분포에 가장 높은 적합도를 갖는 것으로 나타났다.

Keywords

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