Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study on Evaluating the Level of Service for Bridges using Fuzzy Approximate Reasoning

퍼지근사추론을 이용한 교량 서비스 수준 산정에 관한 연구

  • Jo, Byung-Wan (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Kim, Heon (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Kim, Jang-Wook (Department of Civil and Environmental Engineering, Hanyang University) ;
  • Chi, Se-Young (Department of Civil and Environmental Engineering, Hanyang University)
  • 조병완 (한양대학교 건설환경공학과) ;
  • 김헌 (한양대학교 건설환경공학과) ;
  • 김장욱 (한양대학교 건설환경공학과) ;
  • 지세영 (한양대학교 건설환경공학과)
  • Received : 2017.05.31
  • Accepted : 2017.08.17
  • Published : 2017.08.31
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Abstract

Infrastructures such as bridges and tunnels are crucial elements of national economic growth, and sudden collapses may lead to great catastrophes with significant social and economic losses, as well as a loss of lives. Hence, an efficient maintenance technique must be applied to guarantee safety, secure budgets to maintain a certain level of service, and prevent maintenance expenditures from being concentrated in a specific time period. Developed countries have experienced rapid increases in maintenance budgets, and maintenance costs now account for about 40% of the total maintenance budget. The level of service in asset management systems is an essential element for setting management goals and making priority decisions. Therefore, this study uses fuzzy theory to develop a new way to assess the level of service.The assessment model was applied to an actual bridge to evaluate the level of service for users.

교량 및 터널 등과 같은 사회기반시설물은 국가경제발전을 위한 중요한 요소 중 하나로 갑작스런 교량 붕괴 등이 발생할 경우 사회적, 경제적으로 많은 손실과 인명 피해의 대형사고로 이어질 수 있어 이용자의 안전을 보장하고 일정 수준 이상의 성능을 유지를 위한 예산의 확보, 유지관리 소요예산의 특정시기 집중방지를 위하여 효율적인 유지관리기법의 적용이 요구된다. 이에 시설물 노후화에 따른 유지관리 비용이 약 40% 차지하는 등 유지관리 예산의 비용이 급격하게 증가하는 것을 경험한 선진국에서는 한정된 유지관리 예산에서 적정수준의 시설물 서비스 수준(Level of Service) 유지, 효율적인 예산운영, 합리적인 의사결정 지원을 할 수 있는 자산관리체계 도입을 위하여 많은 노력을 하고 있다. 특히, 자산관리체계에서의 서비스수준(Level of Service, LOS)은 관리자가 관리목표 설정을 하고, 최적의 예산투입을 위한 우선순위를 의사결정 할 수 있는 중요한 요소이다. 이에 본 논문에서는 교량이 이용자에게 제공하는 서비스 수준을 평가하기 위하여 퍼지이론을 이용하여 새로운 서비스 수준 평가 방법을 제시하고, 실제 교량에 서비스수준 평가 모형을 적용하여 검증하였다.

Keywords

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