?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%2F18023%2F&rft.title=Investigation+of+the+Behavior+of+External+CFRP-to-Internal+Reinforcing+Bar+Splices&rft.creator=Keenan%2C+Patrick&rft.description=The+reported+study+investigates+the+feasibility+and+behavior+of+CFRP-to-reinforcing+steel+splices+in+medium-scale+reinforced+concrete+beams.+Six+reinforced+concrete+beams+were+cast.+The+dimensions+of+the+beams+tested+were+8+x+6+x+84+in.+(203+x+152+x+2134+mm)%2C+reinforced+with+a+single+%234+bar+(12.7+mm)+as+primary+flexural+reinforcement.+Control+specimens+having+a+continuous+bar+and+a+conventional+18+in.+(457+mm)+contact+lap+splice+serve+to+define+the+%E2%80%98target+capacity%E2%80%99+for+the+CFRP-to-reinforcing+steel+splices.+For+the+CFRP-to-reinforcing+steel+spliced+beams%2C+the+reinforcing+bar+is+terminated+near+midspan.+A+CFRP+strip%2C+designed+to+have+a+capacity+equal+to+or+greater+than+the+bar+is+applied%2C+lapped+with+the+terminated+bar+and+developed+to+the+unreinforced+end+of+the+beam.+The+beams+are+tested+in+flexure+under+monotonically+increasing+loads+to+failure.+Thus%2C+after+cracking%2C+the+beam+capacity+is+entirely+dependent+on+the+force+redistribution+between+the+reinforcing+steel+in+one+half+of+the+span+and+the+CFRP+strip+in+the+other.+This+transfer+occurs+over+the+provided+splice.+Conventional+lap+splices+between+steel+reinforcement+are+designed+to+provide+enough+development+length+to+yield+the+bars.+Therefore+yielding+of+the+primary+reinforcing+steel+in+the+test+specimens+is+an+indication+that+the+CFRP-to-reinforcing+steel+lap+splice+has+sufficiently+reached+its+design+capacity.+The+test+beams+that+were+designed+to+have+sufficient+development+lengths+displayed+the+ability+to+yield+the+reinforcing+steel%3B+an+indication+that+CFRP-to-reinforcing+steel+lap+splices+are+a+viable+option.+The+test+beams+that+were+designed+to+have+insufficient+development+length+failed+prior+to+the+steel+yielding.+This+was+the+anticipated+result%2C+since+the+purpose+of+these+beams+was+to+investigate+the+behavior+and+probable+failure+modes+of+under-designed+CFRP-to-reinforcing+steel+splices.&rft.date=2013-06-27&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%2F18023%2F1%2FKeenan_etdPitt2013.pdf&rft.identifier=++Keenan%2C+Patrick++(2013)+Investigation+of+the+Behavior+of+External+CFRP-to-Internal+Reinforcing+Bar+Splices.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++