Deep Deck and Cellular Deck Diaphragm Strength and Stiffness Evaluation

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dc.contributor.authorBagwell, Jonathanen
dc.contributor.committeechairEasterling, William Samuelen
dc.contributor.committeememberRoberts-Wollmann, Carin L.en
dc.contributor.committeememberMurray, Thomas M.en
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T20:40:21Zen
dc.date.adate2007-08-03en
dc.date.available2014-03-14T20:40:21Zen
dc.date.issued2007-06-13en
dc.date.rdate2012-04-30en
dc.date.sdate2007-06-22en
dc.description.abstractTwenty cantilever diaphragm tests were performed in the Structures and Materials Laboratory at Virginia Tech. The tests included both deep deck and cellular deck profiles with varying structural and side-lap connections. The tests were conducted with three different structural connections: screws, pins and welds and two different side-lap connections: screws and button punch. The tests were conducted and both load and deflection of the diaphragms were recorded. The current International Code Council, ICC, evaluation procedure shows that there are two different methods for measuring diaphragm deflection. The first method was by measuring specific corner displacements and making corrections to remove any rigid body motion. The second method is by measuring the deflection of the diagonals of the diaphragm. In this study both measurements were taken to do a comparison of the results that were obtained. Both strength and stiffness values were calculated based on the Steel Deck Institute (SDI) Diaphragm Design Manual (2004) and modifications described by Luttrell (2005). The paper by Luttrell (2005) only recommends modifications for the calculation of diaphragm stiffness. The data obtained from the tests were compared to the SDI calculations to distinguish any noticeable trends. Modifications are recommended regarding diaphragm strength and further research is suggested to create a better stiffness prediction of diaphragms.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-06222007-141409en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-06222007-141409/en
dc.identifier.urihttp://hdl.handle.net/10919/33688en
dc.publisherVirginia Techen
dc.relation.haspartThesisJonathanBagwell.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectCellular Decken
dc.subjectDiaphragm Strengthen
dc.subjectDiaphragm Stiffnessen
dc.subjectCold Formed Steelen
dc.subjectDeep Decken
dc.titleDeep Deck and Cellular Deck Diaphragm Strength and Stiffness Evaluationen
dc.typeThesisen
thesis.degree.disciplineCivil Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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