Advanced methodologies for design of storm sewer systems. Final report.

B. C. Yen, H. G. Wenzel, Larry Mays, W. H. Tang

Research output: Contribution to journalArticle

Abstract

This report describes the development of a series of computer models capable of determining the diameter, slope and crown elevations of each sewer in a storm drainage system in which the layout and manhole locations are predetermined. The criterion for design decisions is the generation of a least-cost system. The basis for all of the models is the application of discrete differential dynamic programming (DDDP) as the optimization tool. Two important concepts are introduced as optimal model components: hydrograph routing and risks and uncertainties in designs. Three routing procedures are adopted, each with its own advantages. Expected flood damage costs are evaluated through the analysis of numerous risks and uncertainties associated with the design. This analysis permits the estimation of the probability of exceeding the capacity and the corresponding expected assessed damage of any sewer in the system. The expected damage cost is added to the installation cost to obtain the total cost which is then minimized in the DDDP procedure. Two example sewer systems are used as a basis for illustrating different aspects of the various least-cost design models and developing user guidelines. (A)

Original languageEnglish (US)
Journal[No source information available]
StatePublished - Jan 1 1976
Externally publishedYes

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Storm sewers
Costs and Cost Analysis
Sewers
Costs
Dynamic programming
Uncertainty
Flood damage
Crowns
Computer Simulation
Drainage
Guidelines

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Advanced methodologies for design of storm sewer systems. Final report. / Yen, B. C.; Wenzel, H. G.; Mays, Larry; Tang, W. H.

In: [No source information available], 01.01.1976.

Research output: Contribution to journalArticle

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