Behavior of three-span braced columns with equal and unequal spans

Simple item page
dc.contributor.authorYang, Yu-Wenen
dc.contributor.committeechairPlaut, Raymond H.en
dc.contributor.committeememberHolzer, Siegfried M.en
dc.contributor.committeememberEasterling, William Samuelen
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T21:41:36Zen
dc.date.adate2009-07-29en
dc.date.available2014-03-14T21:41:36Zen
dc.date.issued1993en
dc.date.rdate2009-07-29en
dc.date.sdate2009-07-29en
dc.description.abstractColumns with three spans separated by elastic braces are analyzed. The influences of translational and rotational resistance at the braces, various end conditions, and the bracing locations for the perfect columns with equal and unequal spans subjected to uniform and nonuniform axial load are investigated. For imperfect columns with equal or unequal spans subjected to uniform compression, the effects of various end conditions at the top and various initial deflections are studied. "Ideal stiffness" and "full bracing" only exist for these columns with equal spans and translational restraints with identical spring stiffness at the braces. Rotational restraints at the braces or at the ends improve the load-carrying capacity of the column. For the imperfect column, three types of initial deflection on the columns with equal and unequal spans and various end conditions at the top are analyzed. Based on a linear elastic analysis, the bracing force induced by a cubic initial deflection for a three-span column often exceeds 20/0 of the axial load. The violation of this rule of thumb in practice is readily revealed. Design curves for the effect of the bracing stiffness on the deflection ratio and bracing force percentage are created for the determination of bracing requirements.en
dc.description.degreeMaster of Scienceen
dc.format.extentxiv, 141 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07292009-090428en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07292009-090428/en
dc.identifier.urihttp://hdl.handle.net/10919/43994en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1993.Y364.pdfen
dc.relation.isformatofOCLC# 28513978en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1993.Y364en
dc.subject.lcshAxial loadsen
dc.subject.lcshBuckling (Mechanics)en
dc.subject.lcshColumns -- Mathematical modelsen
dc.subject.lcshColumns -- Stability -- Mathematical modelsen
dc.titleBehavior of three-span braced columns with equal and unequal spansen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
LD5655.V855_1993.Y364.pdf
Size:
2.85 MB
Format:
Adobe Portable Document Format
Download

Collections

Masters Theses