Model tree approach for prediction of pile groups scour due to waves
Author(s)
Etemad-Shahidi, A
Ghaemi, N
Griffith University Author(s)
Year published
2011
Metadata
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Scour aroundpilescouldendangerthestabilityofthestructuresplacedonthem.Hence,anaccurate estimationofthescourdeptharoundpilesisveryimportantincoastalandmarineengineering.Dueto the complexinteractionbetweenthewave,seabedandpilegroup;predictionofthescourdepthisnot an easytaskandtheavailableempiricalformulashavelimitedaccuracy.Recently,softcomputing methodssuchasArtificialNeuralNetworks(ANNs)andSupportVectorMachines(SVMs)havebeen used forthepredictionofthescourdepth.However,thesemethodsdonotgiveenoughinsightabout the processandarenotaseasytouseastheempiricalequations.Inthisstudy,newformulasaregiven that areeasytouse,accu ...
View more >Scour aroundpilescouldendangerthestabilityofthestructuresplacedonthem.Hence,anaccurate estimationofthescourdeptharoundpilesisveryimportantincoastalandmarineengineering.Dueto the complexinteractionbetweenthewave,seabedandpilegroup;predictionofthescourdepthisnot an easytaskandtheavailableempiricalformulashavelimitedaccuracy.Recently,softcomputing methodssuchasArtificialNeuralNetworks(ANNs)andSupportVectorMachines(SVMs)havebeen used forthepredictionofthescourdepth.However,thesemethodsdonotgiveenoughinsightabout the processandarenotaseasytouseastheempiricalequations.Inthisstudy,newformulasaregiven that areeasytouse,accurateandphysicallysound.Availableempiricalequationsforestimatingthe pile groupscourdepthsuchasthoseof Sumer etal.(1992) and BayramandLarson(2000), areless accuratecomparedtothegivenequations.Theseequationsareasaccurateasothersoftcomputing methodssuchasANNandSVM.Moreover,inthisstudy,safetyfactorsaregivenfordifferentlevelsof acceptablerisks,whichcanbesousefulforengineers.
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View more >Scour aroundpilescouldendangerthestabilityofthestructuresplacedonthem.Hence,anaccurate estimationofthescourdeptharoundpilesisveryimportantincoastalandmarineengineering.Dueto the complexinteractionbetweenthewave,seabedandpilegroup;predictionofthescourdepthisnot an easytaskandtheavailableempiricalformulashavelimitedaccuracy.Recently,softcomputing methodssuchasArtificialNeuralNetworks(ANNs)andSupportVectorMachines(SVMs)havebeen used forthepredictionofthescourdepth.However,thesemethodsdonotgiveenoughinsightabout the processandarenotaseasytouseastheempiricalequations.Inthisstudy,newformulasaregiven that areeasytouse,accurateandphysicallysound.Availableempiricalequationsforestimatingthe pile groupscourdepthsuchasthoseof Sumer etal.(1992) and BayramandLarson(2000), areless accuratecomparedtothegivenequations.Theseequationsareasaccurateasothersoftcomputing methodssuchasANNandSVM.Moreover,inthisstudy,safetyfactorsaregivenfordifferentlevelsof acceptablerisks,whichcanbesousefulforengineers.
View less >
Journal Title
Ocean Engineering
Volume
38
Issue
13
Subject
Oceanography
Civil engineering
Maritime engineering
Marine engineering