?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%2F20454%2F&rft.title=Joint+Performance+Characterization+of+Bonded+Whitetopping+Overlays&rft.creator=BARMAN%2C+MANIK&rft.description=Poor+joint+performance+in+whitetopping+overlays+increases+the+magnitude+of+the+interlayer+debonding+stress+and+load+related+stress%2C+which+can+result+in+corner+and+longitudinal+cracks.++However%2C+currently+available+whitetopping+design+procedures+do+not+account+for+the+joint+performance.++Fiber+reinforced+concrete+(FRC)+is+commonly+used+in+constructing+these+overlays+but+the+contribution+of+the+fiber+to+load+transfer+has+never+been+quantified+either.%0D%0AUnder+the+scope+of+this+dissertation%2C+a+new%2C+economical%2C+small-scale+joint+performance+characterization+procedure+(BALT)+was+developed.++The+results+from+the+BALT+procedure+were+validated+by+comparing+them+to+the+results+from+large+scale+joint+performance+tests+(SALT).++The+joint+performances+of+one+plain+concrete+(PC)+and+two+FRC+mixtures+were+characterized+with+respect+to+mixture+type%2C+crack+width+and+number+of+load+cycles.++Load+transfer+efficiency+(LTE)+and+dissipated+energy+ratio+(DER)+prediction+models+were+developed+for+all+the+mixtures.++It+was+found+that+FRC+provides+a+15+to+25+percent+higher+joint+performance+as+compared+to+PC.++The+fiber+plays+a+larger+role+in+load+transfer+when+the+joint+is+fatigued.++Interestingly+fibers+do+not+fatigue+even+after+10+million+load+cycles.++Using+finite+element+analysis%2C+a+relationship+was+developed+for+determining+the+joint+stiffness+(AGG*)+for+whitetopping+overlay.++It+was+found+that+the+load-related+stress+can+be+reduced+by+6+percent+with+application+of+FRC+while+the+interface+debonding+stress+can+be+reduced+by+50+to+72+percent.%0D%0A&rft.date=2014-06-16&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%2F20454%2F1%2FBARMAN_ETD_2014.pdf&rft.identifier=++BARMAN%2C+MANIK++(2014)+Joint+Performance+Characterization+of+Bonded+Whitetopping+Overlays.++Doctoral+Dissertation%2C+University+of+Pittsburgh.++++(Unpublished)++