?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%2F9651%2F&rft.title=BEHAVIOR+OF+WEB-TAPERED+BUILT-UP+I-SHAPED+BEAMS&rft.creator=Miller%2C+Bryan+Scott&rft.description=Appendix+F+of+the+AISC-LRFD+Specification+governs+the+design+of+web-tapered+I-shaped+beams.+These+design+provisions+are+restricted+to+beams+with+equal+flange+areas+and+non-slender+webs.+However%2C+the+current+practice+in+the+low-rise+metal+building+industry+is+to+employ+flanges+of+unequal+area+and+slender+webs%3B+a+time+honored+practice+that+has+resulted+in+safe+and+economical+structures.+The+current+study+utilizes+validated+nonlinear+finite+element+analysis+techniques+to+predict+the+flexural+response+and+corresponding+limit+states+associated+with+mild-carbon+steel+doubly-symmetric+web-tapered+I-shaped+beams.+A+parametric+study+is+performed+to+study+the+moment+capacity+and+flexural+ductility+in+the+inelastic+range+of+various+beam+geometries+with+length-to-depth+ratios+between+two+and+three+(i.e.+what+one+normally+encounters+in+the+rafter+sections+of+a+low-rise+metal+building+gable+frame).+Compactness+criteria+that+ensure+attainment+of+a+rotation+capacity+equal+to+three+are+examined+and+results+tabulated.+A+comparison+is+made+between+the+Specification+design+provisions+and+the+ultimate+moment+capacity+and+structural+ductility+predicted+by+the+finite+element+method.+Conclusions+are+made+regarding+the+effects+of+plate+slenderness+on+the+behavior+of+the+nonprismatic+beam+models.+Recommendations+are+made+for+further+research+of+singly-symmetric+web-tapered+beams.&rft.date=2004-02-02&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%2F9651%2F1%2FMiller_Thesis.pdf&rft.identifier=++Miller%2C+Bryan+Scott++(2004)+BEHAVIOR+OF+WEB-TAPERED+BUILT-UP+I-SHAPED+BEAMS.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++