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Deterioration and Optimal Rehabilitation Modelling for Urban Water Distribution Systems

by Yi Zhou
Save 35% Save 35%
Current price ₹7,470.00
Original price ₹11,492.00
Original price ₹11,492.00
Original price ₹11,492.00
(-35%)
₹7,470.00
Current price ₹7,470.00

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Book cover type: Paperback
  • ISBN13: 9781138322813
  • Binding: Paperback
  • Subject: N/A
  • Publisher: CRC Press
  • Publisher Imprint: CRC Press
  • Publication Date:
  • Pages: 248
  • Original Price: GBP 89.99
  • Language: English
  • Edition: N/A
  • Item Weight: 477 grams
  • BISAC Subject(s): Environmental Science

Pipe failures in water distribution systems can have a serious impact and hence it's important to maintain the condition and integrity of the distribution system. This book presents a whole-life cost optimisation model for the rehabilitation of water distribution systems. It combines a pipe breakage number prediction model with a pipe criticality assessment model, which enables the creation of a well-constructed and more tightly constrained optimisation model. The pipe breakage number prediction model combines information on the physical characteristics of the pipes with historical information on breakage and failure rates. A weighted multiple nonlinear regression analysis is applied to describe the condition of different pipe groups. The criticality assessment model combines a pipe's condition with its hydraulic significance through a modified TOPSIS. This model enables the optimisation to focus its efforts on those important pipes. The whole life cost optimal rehabilitation model is a multiple-objective and multiple-stage model, which provides a suite of rehabilitation decisions that minimise the whole life cost while maximising its long-term performance. The optimisation model is solved using a modified NSGA-II. The utility of the developed models is that it allows decision makers to prioritize their rehabilitation strategy in a proactive and cost-effective manner.

Yi Zhou is a member of the faculty in Wuhan University, China. His main interests are water distribution systems, urban sewerage, drainage and flood control systems.

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