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Title:Advanced methodology for storm sewer design—phase II
Author(s):Wenzel, Harry G. Jr.; Yen, Ben Chie; Tang, Wilson H.
Contributor(s):University of Illinois at Urbana-Champaign
Subject(s):Water resource development--Illinois
Water resources development
Wastewater
Waste water
Cost
Cost analysis
Design-hydraulics
Drainage systems
Dynamic programming
Effluents-waste water
Flood damage
Flood routing
Hydraulic design
Hydraulics
Hydrograph routing
Mathematical models
Methodology
Operations research
Optimization
Probability analysis
Risks
Safety-factor
Sewers
Sewer systems
Storm drains
Storm runoff
Systems analysis
Uncertainties
Urban drainage
Urban runoff
Geographic Coverage:Illinois (state)
Abstract:This report describes further development of computer models for determining the diameter, slope and elevations of each pipe in a storm drainage system in which the layout and manhole locations are specified. The design procedure is based on a least-cost criterion and utilizes discrete differential dynamic programming as the search technique. In this phase of the study a detention storage capability has been added to the model using two approaches. The first approach requires the specification of a maximum allowable outflow and computes the required storage. The second approach determines the storage volume such that the sum of the storage and pipe system costs is a minimum. The procedure for computation of expected damage costs has been changed to reflect the variation of flood damage with flood volume. Also a surface runoff component has been added. This option uses the hydrograph generation portion of the Illinois Urbana Drainage Area Simulator model. Improved cost specification methods as well as flexible pipe elevation constraint capabilities have been added. The new developments are illustrated using two example basins.
Issue Date:1979-06
Publisher:University of Illinois at Urbana-Champaign. Water Resources Center
Genre:Report (Grant or Annual)
Type:Text
Language:English
URI:http://hdl.handle.net/2142/90289
Sponsor:U.S. Department of the Interior
U.S. Geological Survey
Rights Information:Copyright 1979 held by Harry G. Wenzel, Jr., Ben Chie Yen, Wilson H. Tang
Date Available in IDEALS:2016-06-13


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