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Index of network resilience for urban water distribution systems

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  • Arka Pandit
  • John C. Crittenden

Abstract

A unique demographic shift towards urban centres has necessitated incorporation of sustainability principles in the tenets of urban infrastructure planning and design. Adopting resilience as the indicator of sustainability, this paper presents a novel index of network resilience (INR) for urban water distribution systems. The index developed in this paper incorporates six network attributes to develop a composite INR based on the topology of the water distribution systems. A multi-criteria analysis (MCA) using the weighted summation approach is employed to evaluate the alternative configurations which would satisfy the demand and other hydraulic requirements. Analytic hierarchy process (AHP) was assigned to assign weights to the attributes and was optimised for two scenarios: resilience and efficiency. Using the original configuration of Anytown network as the base case scenario, four alternative designs were developed. The results indicate that resilience of the system, in terms of increased robustness and redundancy, can be increased through a better topology without increasing material and energy investment. In addition, the results also indicate that there might be some potential trade-off between resilience and efficiency of flow for the network.

Suggested Citation

  • Arka Pandit & John C. Crittenden, 2016. "Index of network resilience for urban water distribution systems," International Journal of Critical Infrastructures, Inderscience Enterprises Ltd, vol. 12(1/2), pages 120-142.
    • Handle: RePEc:ids:ijcist:v:12:y:2016:i:1/2:p:120-142
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    Cited by:

    1. Magoua, Joseph Jonathan & Li, Nan, 2023. "The human factor in the disaster resilience modeling of critical infrastructure systems," Reliability Engineering and System Safety, Elsevier, vol. 232(C).
    2. Liu, Wei & Song, Zhaoyang, 2020. "Review of studies on the resilience of urban critical infrastructure networks," Reliability Engineering and System Safety, Elsevier, vol. 193(C).

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