?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37783%2F&rft.title=Modeling+the+Development+of+Joint+Faulting+for+Bonded+Concrete+Overlays+of+Asphalt+Pavements+(BCOA)&rft.creator=DeSantis%2C+John+%2F+W.&rft.description=Bonded+concrete+overlays+of+asphalt+pavements+(BCOAs)%2C+also+known+as+whitetopping%2C+consist+of+a+thin+concrete+overlay+on+distressed+asphalt+or+composite+pavements.++They+typically+have+smaller+panel+sizes+than+traditional+jointed+plain+concrete+pavements+(JPCP)+in+order+to+reduce+stress+levels.++A+distress+that+can+occur+in+BCOAs+is+transverse+joint+faulting%2C+but+to+date+there+is+no+predictive+faulting+model+available+for+these+structures.++To+be+able+to+develop+a+faulting+prediction+model%2C+a+better+understanding+of+the+joint+performance+and+the+pumping+mechanism+that+leads+to+this+distress+is+necessary.++It+was+determined+that+pumping+in+BCOAs+is+dictated+by+the+depth+of+joint+activation+and+can+develop+either+at+the+bottom+of+the+overlay+slab+within+the+asphalt+layer+or+at+the+bottom+of+the+asphalt+layer+in+the+granular+layer.++To+account+for+the+conditions+unique+to+BCOA%2C+a+computational+model+was+developed+to+predict+the+response+of+these+structures.++The+model+was+validated+using+falling+weight+deflectometer+(FWD)+data+from+existing+field+sections+at+the+Minnesota+Road+Research+Facility+(MnROAD)+as+well+as+at+the+University+of+California+Pavement+Research+Center+(UCPRC).++A+fractional+factorial+analysis+was+performed+using+the+field+validated+computational+models+to+develop+predictive+models%2C+in+the+form+of+artificial+neural+networks+(ANNs).++The+ANNs+are+able+to+rapidly+estimate+the+structural+response+at+the+joint+in+BCOAs+to+environmental+and+traffic+loads.++The+structural+response+is+then+related+to+damage+using+the+differential+energy+(DE)+concept.++The+DE+concept+is+commonly+used+in+faulting+prediction+models+in+order+to+relate+damage+to+faulting.++The+final+steps+include+conducting+a+calibration+as+well+as+a+sensitivity+analysis+on+the+prediction+capabilities+of+the+model.++The+overall+framework+for+predicting+faulting+for+BCOAs+is+presented+and+is+based+on+the+model+in+the+Pavement+Mechanistic-Empirical+(ME)+design+software.++Improvements+were+made+to+the+previous+framework+to+be+able+to+better+characterize+BCOAs+so+the+accuracy+of+the+predicted+faulting+could+be+improved.++Future+work+includes+implementation+of+the+BCOA+faulting+prediction+model+into+the+BCOA-ME+design+guide+developed+at+the+University+of+Pittsburgh.&rft.date=2020-07-30&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37783%2F1%2FJWDeSantis_ETDfinal_2020_FINAL_v4.pdf&rft.identifier=++DeSantis%2C+John+%2F+W.++(2020)+Modeling+the+Development+of+Joint+Faulting+for+Bonded+Concrete+Overlays+of+Asphalt+Pavements+(BCOA).++Doctoral+Dissertation%2C+University+of+Pittsburgh.++++(Unpublished)++