KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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Development of the Decision-Making System for National Highway Pavement Management

국도 포장관리를 위한 의사결정시스템 개발

  • Received : 2013.10.16
  • Accepted : 2014.01.24
  • Published : 2014.04.01
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Abstract

PMS (Pavement Management System) of National highways in Korea has used HDM (Highway Development and Management)-4 developed by World Bank for decision-making for maintenance and rehabilitation of pavements. However using HDM-4 is not appropriate in Korea because HDM-4 requires excessive input factors for analysis and economic analysis models loaded in HDM-4 are not suitable for Korean circumstances. Thus this study aims development of decision-making system for effective pavement management with reflecting Korean circumstances. Moreover this study proposed to define component of system, deterioration models, and basic units for component, and to analyze characteristics of component of system, and also to develop optimal decision-making system. The decision-making system for PMS mainly consists of 1) DB of highways, traffics, and socio-economic index, 2) pavement deterioration model, 3) speed prediction models by pavement conditions, 4) economic evaluation models, and 5) decision-making supporting system. Also this study provided analysis results in case studies for system verifications. However pavement deterioration models considering future probabilistic characteristic and index of decision-making are needed to develop for a further study.

현재 우리나라 일반국도의 포장관리시스템(PMS: Pavement Management System)은 세계은행(World Bank)이 주도한 HDM (Highway Development and Management)-4를 사용하여 유지보수 의사결정의 기초 자료로 사용하고 있으나, 과다한 입력변수와 모형의 불확실성 등으로 인해 국내 실정에 적합한 경제성 분석모형이 필요하게 되었으며, 대부분의 선진국의 경우에는 각 지역과 국가에 맞는 PMS 시스템을 구축하여 운영하고 있다. 따라서 본 연구에서는 우리나라 실정에 맞고 효율적인 국도의 도로 및 포장관리를 위한 의사결정시스템을 개발하기 위한 연구로써 시스템 개발에 필요한 구성요소, 공용성 모형 개발, 각 요소별 활용가능한 원단위, 기준 등의 지표 정의 및 종류, 특성들을 분석, 정리하고 경제성 평가를 통해 최적 의사결정을 위한 시스템(S/W) 개발을 목적으로 하였다. 포장관리를 위해 개발한 의사결정시스템의 구성요소는 크게 1)도로, 교통, 사회경제 지표 등의 DB, 2) 도로포장상태의 공용성 모형, 3)도로포장상태에 따른 차량속도변화 모형, 4)경제성 평가 모형, 5) 의사결정지원 시스템으로 구성되며, 개발된 시스템의 검증을 위해 사례 구간을 대상으로 한 분석결과도 함께 제시하였다. 그러나 장래 확률적 특성을 고려한 공용성 모형의 개발과 의사결정을 위한 지표 개발에 대해서는 추가적인 연구가 필요할 것으로 판단된다.

Keywords

References

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