Serviceability of Water Transmission Systemsby Toshihiko Okumura, Princeton Univ, United States,
Masanobu Shinozuka, Princeton Univ, United States,
Takeshi Koike, Princeton Univ, United States,
Abstract: This present paper deals with the vulnerability and reliability of a functionally as well as physically hierarchical lifeline system. Most major lifeline systems have this feature. For example, water and gas delivery systems in an urban area usually consist of high-pressure transmission, medium-pressure distribution and low-pressure supply pipeline networks. The purpose of this study is to demonstrate that analytical expediency as well as numerical efficiency will be substantially and possibly dramatically enhanced if we recognize and take advantage of such hierarchical features of lifeline systems, particularly for the purpose of performing functional reliability analyses of systems.
Subject Headings: System reliability | Water pipelines | Water supply systems | Power transmission | Serviceability | Hydrologic models | Gas pipelines
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