Chapter
May 18, 2016
Response of Water Systems under Extreme Events: A Comprehensive Approach to Modeling Water System Resilience
Authors: Hana Chmielewski [email protected], Roberto Guidotti, Therese McAllister, and Paolo GardoniAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2016
Abstract
Water systems (e.g., potable water, wastewater, and storm water systems) are regarded as “lifeline” infrastructure. Their disruption can cause cascading effects, influencing the economy of an entire region. Past hazard events show that water availability is crucial for minimizing the societal impact of such events and for recovery processes. To date, stochastic simulations of hazards events, and their direct and indirect physical damage to water system components, are typically not coupled with hydraulic simulations of functionality loss and restoration, including water quality, pressure, and flow throughout the network. This work presents a comprehensive approach to the modeling of water system resilience subject to a seismic event; however, the procedure is general and can be applied to other network systems and hazards. The model performs: (1) a baseline deterministic hydraulic analysis on an undamaged water system, focusing on meaningful functionality metrics, (i.e., water pressure, quantity, and quality); (2) a probabilistic analysis of the damaged system considering the damage state and the performance level of each component; (3) a probabilistic analysis of the water system functionality, considering the physical damage analysis and the recovery time of each component.
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© 2016 American Society of Civil Engineers.
History
Published online: May 18, 2016
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Authors
Affiliations
National Institute of Standards and Technology (NIST), Mail Stop 8615, 100 Bureau Dr., Gaithersburg, MD20899; NIST Center of Excellence for Risk-Based Community Resilience Planning. E-mail: [email protected]
Roberto Guidotti
NIST Center of Excellence for Risk-Based Community Resilience Planning; Dept. of Civil and Environmental Engineering, MAE Center, Univ. of Illinois at Urbana-Champaign (UIUC), 205 N. Mathews Ave., Urbana, IL61801.
Therese McAllister
National Institute of Standards and Technology (NIST), Mail Stop 8615, 100 Bureau Dr., Gaithersburg, MD20899; NIST Center of Excellence for Risk-Based Community Resilience Planning.
Paolo Gardoni
NIST Center of Excellence for Risk-Based Community Resilience Planning; Dept. of Civil and Environmental Engineering, MAE Center, Univ. of Illinois at Urbana-Champaign (UIUC), 205 N. Mathews Ave., Urbana, IL61801.
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