?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%2F38530%2F&rft.title=Mechanical+and+Morphological+Characterization+of+Full-Culm+Bamboo&rft.creator=Akinbade%2C+Yusuf&rft.description=Full-culm+bamboo+that+is+bamboo+used+in+its+natural%2C+round+form+used+as+a+structural+load-bearing+material%2C+is+receiving+considerable+attention+but+has+not+been+widely+investigated+in+a+systematic+manner.+Despite+prior+study+of+the+effect+of+fiber+volume+and+gradation+on+the+strength+of+bamboo%2C+results+are+variable%2C+not+well+understood%2C+and+in+some+cases+contradictory.+Most+study+has+considered+longitudinal+properties+which+are+relatively+well-represented+considering+bamboo+to+be+a+unidirectional+fiber+reinforced+composite+material+governed+by+the+rule+of+mixtures.+Despite+the+dominance+of+transverse+failure+(splitting)+of+bamboo+in+load-bearing+applications%2C+very+little+study+of+bamboo+transverse+properties+has+been+conducted.+The+objective+of+this+work+is+therefore+to+develop+a+framework+and+the+tools+required+to+evaluate+the+material+and+mechanical+properties+of+full-culm+bamboo.+The+study+focuses+on+transverse+properties+and+recognizes+that+bamboo+is+a+heterogeneous+highly+orthotropic+functionally+graded+material+rather+than+a+homogeneous+fiber-reinforced+composite+as+is+often+assumed.+This+framework+brings+together+work+conducted+in+the+area+of+bamboo+geometric%2C+morphologic+and+material+characterization+to+develop+a+correlation+with+mechanical+properties.+The+effect+of+fiber+volume+ratio+and+gradation+in+the+bamboo+cross-section+in+the+characterization+is+studied+and+used+as+a+basis+to+establish+materials-+and+mechanics-based+constitutive+models+for+the+behavior+of+full-culm+bamboo.+The+impact+of+material+variability+and+uncertainty+in+the+mechanical+behavior+of+the+full-culm+is+investigated+and+included+in+the+presented+models.+Experimental%2C+imaging+and+numerical+results+from+this+study+indicate+that+considering+the+transverse+behavior+of+bamboo+as+a+fiber-reinforced+material%2C+governed+by+the+rule+of+mixtures%2C+is+not+appropriate.+The+scope+of+the+work+focuses+on+materials+test+specimens.+This+is+believed+to+be+the+scale+at+which+internal+heterogeneity+of+the+bamboo+effects+experimentally+determined+data+and+is+also+a+scale+at+which+complex+modeling+is+still+appropriate.+The+models+developed+in+this+work+have+two+primary+and+related+uses%3A+1)+providing+a+platform+for+researchers+to+better+understand+the+results+of+bamboo+material+property+tests%3B+and+2)+providing+a+platform+against+which+to+validate+macroelement+models+suitable+for+structural+evaluation+and+design.&rft.date=2020-07-30&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fvnd.ms-excel&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F38530%2F2%2FAPPENDIX%2520F.xlsx&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F38530%2F3%2Fakinbadeya_etdPitt2020.pdf&rft.identifier=++Akinbade%2C+Yusuf++(2020)+Mechanical+and+Morphological+Characterization+of+Full-Culm+Bamboo.++Doctoral+Dissertation%2C+University+of+Pittsburgh.++++(Unpublished)++