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Optimization of the bottom plate of a ground-supported liquid storage tank

dc.contributor.authorZmerli, Mustaphaen
dc.contributor.departmentCivil Engineeringen
dc.date.accessioned2014-03-14T21:51:04Zen
dc.date.adate2009-12-05en
dc.date.available2014-03-14T21:51:04Zen
dc.date.issued1992en
dc.date.rdate2009-12-05en
dc.date.sdate2009-12-05en
dc.description.abstractSeveral tanks have failed due to intolerable differential settlements, causing major problems in most cases. The objective of this study is to optimize the bottom plate of the tank so that the differential settlements are reduced to a minimum. Circular plates on an elastic half-space are investigated and the improvements in differential settlements are reported. The plates are loaded by a uniform pressure, and the effects of edge loads, edge moments, and elastic restraints at the edge are considered. A plate with two annular segments having fixed radii is investigated for optimal thicknesses. The plate is also optimized by varying both the radii and the thicknesses. Another plate with three segments is studied, varying the radii and the thicknesses. In all these cases, the plates are examined for a wide range of relative stiffnesses. For a specific relative stiffness, a plate with ten segments of fixed radii is studied. Also, the contact stress distribution is investigated for the case of the three-segment plate. During the study, the results are compared to a uniform plate. As an outcome, the differential settlement is significantly improved compared to the widely used uniform plate.en
dc.description.degreeMaster of Scienceen
dc.format.extentix, 92 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-12052009-020116en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-12052009-020116/en
dc.identifier.urihttp://hdl.handle.net/10919/46137en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1992.Z637.pdfen
dc.relation.isformatofOCLC# 26033559en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1992.Z637en
dc.subject.lcshStorage tanks -- Designen
dc.titleOptimization of the bottom plate of a ground-supported liquid storage tanken
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

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