논문 상세보기
The concept of resilience has gained increasing attention amid growing urbanization and rising vulnerability to infrastructure. While various methodologies exist for evaluating the resilience of lifeline systems, few address the distinct structural features and failure modes of railway networks. This study refines existing approaches by incorporating characteristics unique to high-speed railways, with a focus on two key aspects. First, we define the structure of railway networks by identifying nodes and links, and deriving link-specific resilience criteria based on the fragility characteristics and recovery profiles of their structural components. Second, we utilize real data from the Korean railway system to quantify the performance degradation caused by component failures during seismic events. To assess the framework’s applicability, we use a simplified network and a more complex one integrating Korea’s Honam Line and Honam High-Speed Line. The framework effectively identifies critical scenarios and provides a valuable tool for decision-makers in assessing seismic risk and planning recovery for railway infrastructure.
1. 서 론
2. 시스템 신뢰성 기반 라이프라인 네트워크 리질리언스 성능평가
3. 고속철도 네트워크 리질리언스 성능평가
3.1 고속철도 네트워크의 여용성, 회복력 지수 산출
3.2 제안 기법의 시연 예제
4. 고속철도 네트워크 리질리언스 성능 평가 적용예제
4.1 호남고속선 호남선 네트워크 구성
4.2 호남고속선, 호남선 네트워크의 리질리언스 평가
5. 결 론
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