Determination of a priority for leakage restoration considering the scale of damage in for water distribution systems

Ryul Kim; Hui Geun Kwon; Young Hwan Choi

doi:10.3741/JKWRA.2023.56.10.679

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2023 Vol.56, Issue 10 Preview Page Next Page

Research Article

Determination of a priority for leakage restoration considering the scale of damage in for water distribution systems 피해규모를 고려한 용수공급시스템 누수복구 우선순위 선정

31 October 2023. pp. 679-690

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Abstract

Leakage is one of the representative abnormal conditions in Water distribution systems (WDSs). Leakage can potentially occur and cause immediate economic and hydraulic damage upon occurrence. Therefore, leakage detection is essential, but WDSs are located underground, it is difficult. Moreover, when multiple leakage occurs, it is required to prioritize restoration according to the scale and location of the leakage, applying for an optimal restoration framework can be advantageous in terms of system resilience. In this study, various leakage scenarios were generated based on the WDSs hydraulic model, and leakage detection was carried out containing location and scale using a Deep learning-based model. Finally, the leakage location and scale obtained from the detection results were used as a factor for the priority of leakage restoration, and the results of the priority of leakage restoration were derived. The priority of leakage restoration considered not only hydraulic factors but also socio-economic factors (e.g., leakage scale, important facilities).

Keywords

Water distribution system (WDS)

Abnormal conditions

Leakage detection

Leakage restoration

누수는 용수공급시스템 내에서 발생할 수 있는 대표적인 비정상상황 중 하나이다. 누수는 관로가 매설된 이후부터 잠재적으로 발생할 수 있으며 발생 직후부터 즉시 경제적 및 수리학적 피해를 입을 수 있기 때문에 이를 적시에 감지하고 탐지하는 것이 중요하다. 하지만 시스템이 지하에 매설되어 있어 이를 빠르게 인지하는 것은 쉽지 않으며 인지한다 하여도 복구하기 위해서는 상대적으로 많은 가용자산이 요구된다. 따라서 다중 누수가 발생할 시 누수규모 및 위치에 따라 복구 우선순위에 대한 우선순위를 선정해야 할 필요성이 있으며 최적의 복구전략이 도출되어 이를 수행할 시 시스템의 탄력성 측면에 있어 유리함을 가질 수 있다. 본 연구에서는 프로그램 기반 모의 누수를 발생시켜 비정상상황 시나리오를 구축하였으며 이에 따라 딥러닝 기반 모델로 누수탐사를 수행하였다. 탐사 결과로 얻어지는 누수위치와 누수량은 이 후 누수복구 우선순위를 위한 요소로써 활용되며 타 요소와 함께 최적의 누수복구 시나리오를 도출하였다.

키워드

용수공급시스템

비정상상황

누수탐사

누수복구 우선순위

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Information

Publisher :KOREA WATER RESOURECES ASSOCIATION
Publisher(Ko) :한국수자원학회
Journal Title :Journal of Korea Water Resources Association
Journal Title(Ko) :한국수자원학회 논문집
Volume : 56
No :10
Pages :679-690
Received Date : 2023-09-13
Revised Date : 2023-10-04
Accepted Date : 2023-10-10
DOI :https://doi.org/10.3741/JKWRA.2023.56.10.679

Journal of Korea Water Resources Association ISSN:2799-8746(Print) 2799-8754(Online) 한국수자원학회 논문집

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