?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%2F19756%2F&rft.title=Structural+Evaluation+of+Slab+Rehabilitation+by+Method+of+Hydrodemolition+and+Latex+Modified+Overlay&rft.creator=McCabe%2C+Matthew&rft.description=The+objective+of+this+work+was+to+verify+whether+reinforced+concrete+bridge+deck+slabs+repaired+by+means+of+hydrodemolition+(HD)+followed+by+application+of+latex+modified+concrete+(LMC)+overlay%2C+behave+in+composite+or+non-composite+fashion+and+if+necessary%2C+specifying+the+criteria+for+developing+composite+action.+The+motivation+behind+this+study+was+the+fact+that+some+transportation+authorities+do+not+allow+any+structural+capacity+to+be+replaced+by+way+of+overlay+application.+Therefore%2C+if+a+bridge+deck+is+demolished+to+half+depth+and+then+repaired+to+original+depth%3B+it+must+be+structurally+rated+as+if+it+were+only+half+depth.%0D%0AAs+part+of+the+testing%2C+full+scale+reinforced+concrete+slabs+were+subjected+to+three+point+bending+until+failure.+Ten+of+the+specimens+were+cast+in+the+laboratory+and+four+were+cut+from+a+decommissioned+bridge+deck.+The+depth+of+overlay+varied+from+approximately+half+depth+of+the+slab+to+approximately+1+inch+(25.4+mm).+Along+with+depth+of+applied+overlay%2C+one+specimen+was+tested+in+the+inverted+position+(negative+bending)+and+one+specimen+had+a+more+conventional+AAA+concrete+mix+applied.+During+each+of+the+tests%2C+measurements+were+recorded+at+approximately+1+kip+(4.4+kN)+intervals.+Displacement+and+strain+readings+at+mid-span+were+recorded+at+each+of+these+increments.+Strain+readings+were+recovered+via+DEMEC+targets+attached+at+various+depths+across+the+cross+section+and+allowed+for+strain+profiles+to+be+generated+at+each+loading+interval.+The+strain+profiles+along+with+the+cracking+patterns+were+then+used+to+determine+if+the+test+specimens+exhibited+composite+or+non-composite+behavior.%0D%0AThe+test+results+showed+that+all+slabs+did+behave+in+composite+manner+and+reached+desired+strengths%2C+when+compared+to+plane+section+analyses.+Strain+profiles+remained+linear+through+the+interface+region+indicating+that+delaminations+had+not+occurred.+Cracking+patterns+also+propagated+through+the+interface+region+without+indicating+bond+damage.+Thus%2C+it+is+recommended+that+bridge+decks+repaired+by+means+of+HD+and+application+of+a+LMC+overlay+be+rated+as+if+they+are+behaving+in+a+composite+fashion.&rft.date=2014-01-29&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%2F19756%2F1%2FMcCabeMJ_etd2013.pdf&rft.identifier=++McCabe%2C+Matthew++(2014)+Structural+Evaluation+of+Slab+Rehabilitation+by+Method+of+Hydrodemolition+and+Latex+Modified+Overlay.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++