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국내 옹벽의 성능평가와 유지관리를 위한 목표 성능 선정에 관한 연구

A Study on Selection of Target Performance for Performance Evaluation and Maintenance of Retaining Wall in Korea

  • 최재순 (서경대학교 토목건축공학과)
  • Choi, Jae Soon (Dept. of Civil & Architectural Eng., Seokyeong Univ.)
  • 투고 : 2019.11.18
  • 심사 : 2019.12.09
  • 발행 : 2019.12.31

초록

2019년 개정된 시설물 안전과 유지관리 세부지침을 보면, 기존의 안전성 중심의 시설물 평가에서 내구성과 사용성을 추가한 성능평가로 확대된 바 있다. 이러한 확대는 전 세계적으로 이슈화되고 있는 시설물의 고령화와 시설 이용측면을 반영한 점이기는 하나 실제로 이러한 시설물 평가가 유지관리와 관계된 보수보강과 연계되기 때문에 각 세부성능 간의 상관관계 및 목표 성능의 선정과 연계된 성능보강시 우선순위 결정 등 많은 후속연구가 필요하다. 이 연구에서는 국내 도로시설에 설치된 옹벽을 중심으로 기존의 시설물 평가이력에 대한 분석을 통해 우선적으로 개정된 성능평가에서 적절한 목표 성능을 제시하였다. 또한, 실제 2개의 옹벽에 대해 평가를 수행하고 목표성능의 적절성 여부를 검토하였다. 그리고, 안전성과 내구성만으로 구성된 옹벽의 성능평가에 사용성 부분을 추가할 수 있는 세부 지표를 제시하였다.

In the revised 2019 Guidelines for Facility Safety and Maintenance, the existing safety-oriented facility evaluations have expanded from performance evaluations to added durability and serviceability. This expansion reflects the life cycle of facilities and the service abilities of facilities, which are becoming a global issue. However, since the performance evaluation of facilities is linked to repairing and reinforcement, the related researches such as the correlation of each performance and the target performance related to the decision on priority are necessary. In this study, through the analysis of historical data of existing facility safety evaluation results centered on the retaining earth wall installed in domestic road facilities, the appropriate target performance was suggested for the maintenance of the facility based on the revised performance evaluation. Also, the performances on the actual two retaining walls were evaluated for example and analyzed the verification of the target performance. Besides, new indicators were presented to add serviceability to the performance evaluation of retaining earth walls consisting of safety and durability.

키워드

참고문헌

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피인용 문헌

  1. Improved Vulnerability Assessment Table for Retaining Walls and Embankments from a Working-Level Perspective in Korea vol.13, pp.3, 2019, https://doi.org/10.3390/su13031088