Journal
JOURNAL OF PIPELINE SYSTEMS ENGINEERING AND PRACTICE
Volume 2, Issue 3, Pages 102-106Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)PS.1949-1204.0000076
Keywords
Sewers; Sediment transport; Part-full flow; Gene-expression programming; Regression analysis
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Old sewerage systems were designed based on empirical rules to minimize sediment problems and a list of codes for self-cleansing sewers. These codes were applicable to noncohesive sediments (typically storm sewers). This study presents gene-expression programming (GEP), which is an extension of genetic programming (GP), as an alternative approach for modeling the functional relationships of sediment transport in sewer pipe systems. A functional relation has been developed using GEP. The proposed relationship can be applied to different boundaries with partial flow. The proposed GEP approach gives satisfactory results (r(2) = 0.97 and MSE = 0.0054) compared to the existing predictor. (C) 2011 American Society of Civil Engineers.
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