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Water 2018, 10(9), 1223; https://doi.org/10.3390/w10091223

Improving Water Distribution Systems Robustness through Optimal Valve Installation

1
Research Center for Disaster Prevention Science and Technology, Korea University, Anamdong, Seongbukgu, Seoul 136713, Korea
2
Department of Civil Engineering, Keimyung University, 1095 Dalgubeoldae-ro, Dalseogu, Daegu 42601, Korea
3
School of Civil Engineering, Seoul National University of Science and Technology, 232 Gongneung-ro Nowongu, Seoul 01811, Korea
4
School of Civil, Environmental and Architectural Engineering, Korea University, Anamdong, Seongbukgu, Seoul 136713, Korea
*
Author to whom correspondence should be addressed.
Received: 2 August 2018 / Revised: 30 August 2018 / Accepted: 6 September 2018 / Published: 11 September 2018
(This article belongs to the Special Issue Water Networks Management: New Perspectives)
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Abstract

This study proposes a framework for improving the robustness of water distribution systems using the optimal valve installation approach with regard to system reinforcement. To improve the robustness in valve design, this study introduces critical segment selection technique and optimal valve location determination within the concept of segment. Using the segment finding algorithm, the segment and the unintentional isolation can be identified. To select the critical segment, a multicriteria decision technique is applied by considering the hydraulic, social and economic effect. Finally, the optimal valve locations and the number of additional valves is determined by pipe failure analysis through the trade-off relationship with the number of additional valves and the maximum damage under pipe failure situations. To verify the proposed technique, the real-world water distribution systems are applied and compared with the original design. View Full-Text
Keywords: water distribution systems; robustness; optimal valve location water distribution systems; robustness; optimal valve location
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Choi, Y.H.; Jung, D.; Jun, H.; Kim, J.H. Improving Water Distribution Systems Robustness through Optimal Valve Installation. Water 2018, 10, 1223.

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