Modeling the Pre-Existing Cracks at the Base of High Mast Illumination Poles

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dc.contributor.advisorDawood, Mina
dc.contributor.committeeMemberGencturk, Bora E.
dc.contributor.committeeMemberHerman, Reagan
dc.contributor.committeeMemberFeng, Qianmei
dc.creatorMohammed, Zeeshan Akther
dc.date.accessioned2018-12-03T14:39:41Z
dc.date.available2018-12-03T14:39:41Z
dc.date.createdMay 2018
dc.date.issued2018-05
dc.date.submittedMay 2018
dc.date.updated2018-12-03T14:39:41Z
dc.description.abstractThe High Mast Illumination poles (HMIPs) in Texas are subjected to galvanization induced cracks at the shaft to base plate connection. The major load that HMIPs experience over the entire design life is the wind induced fatigue load. The pre-existing galvanization induced cracks could have detrimental effects on the long-term durability and serviceability of HMIPs. Previous research efforts focused on conducting fatigue tests on HMIPs in the laboratory, monitoring the field HMIP dynamic behavior under different wind conditions, and modeling and predicting the fatigue life of HMIPs. Based on previously measured crack growth data collected from high cycle fatigue tests of HMIPs under low stress ranges (≤ 41.4 MPa), this thesis focuses on modeling the pre-existing cracks in ABAQUS and FRANC3D, predicting the fatigue growth at a bend, and quantifying the model uncertainties associated with the fatigue crack growth.
dc.description.departmentCivil and Environmental Engineering, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/10657/3593
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectCrack growth
dc.subjectS-N curve
dc.titleModeling the Pre-Existing Cracks at the Base of High Mast Illumination Poles
dc.type.dcmiText
dc.type.genreThesis
local.embargo.lift2020-05-01
local.embargo.terms2020-05-01
thesis.degree.collegeCullen College of Engineering
thesis.degree.departmentCivil and Environmental Engineering, Department of
thesis.degree.disciplineCivil Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science in Civil Engineering

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