Chapter
Apr 26, 2012
Developing an Optimal Sewer Layout Model to Reduce Peak Outflows
Authors: J. H. Kim [email protected], J. H. Lee [email protected], J. H. Park, and H. D. Jun [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
In sewer layout design, most developed models are designed to determine pipe diameter, slope and overall layout to minimize the least cost for the design rainfall. However, these models cannot consider the superposition effect of runoff hydrographs entering each junction. The suggested Optimal Sewer Layout Model (OSLM) is designed to control flows and distribute the node inflows while taking into consideration the superposition effect for reducing the inundation risk from the sewer pipes. The suggested model used the genetic algorithm to determine the optimal layout, which was connected to the SWMM (Storm Water Management Model) for the hydraulic analysis. The suggested model was applied to an actual urban watershed in Seoul, Korea. By using the suggested model, the peak outflows at the outlet were decreased by approximately 20% than those of the current sewer layout for the design rainfall during 30 minutes.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Benefit cost ratios
- Business management
- Climates
- Engineering fundamentals
- Environmental engineering
- Financial management
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Hydraulic models
- Hydrologic engineering
- Hydrology
- Infrastructure
- Lifeline systems
- Meteorology
- Models (by type)
- Outflow
- Pipe sizes
- Pipeline systems
- Pipes
- Practice and Profession
- Precipitation
- Rainfall
- Runoff
- Sewers
- Slopes
- Water and water resources
Authors
Affiliations
Professor, Department of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Korea,. E-mail: [email protected]
Doctoral Students, Department of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Korea,. E-mail: [email protected]
J. H. Park
Doctoral Students, Department of Civil, Environmental and Architectural Engineering, Korea University, Seoul, Korea
Lecturer, Department of Civil Engineering, Hanbat National University, Daejeon, Korea,. E-mail: [email protected]
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