Predictive Modelling of CFRP-Steel Double Strap Joints

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dc.contributor.authorJiwani, Preet Deepaken
dc.contributor.committeechairShakiba, Maryamen
dc.contributor.committeememberHebdon, Matthew Hardyen
dc.contributor.committeememberEatherton, Matthew R.en
dc.contributor.departmentCivil and Environmental Engineeringen
dc.date.accessioned2023-01-20T09:00:25Zen
dc.date.available2023-01-20T09:00:25Zen
dc.date.issued2023-01-19en
dc.description.abstractCarbon fiber reinforced polymers (CFRP), which can be used to strengthen and repair damaged steel structures, have gained popularity in recent years. On the one hand, CFRP has demonstrated substantial advantages over conventional reinforcing techniques like welding and bolting, such as light weight, high strength, and corrosion resistance. Additionally, the CFRP application process is relatively easy, rapid, and labor-intensive. On the other hand, failure is more likely to happen at the bond interface due to the high strength characteristics of steel and CFRP. Thus, studying the bond behavior and failure mechanism of CFRP strengthened steel structures as well as the variables that are crucial to the bond quality. Prior to implementing these elements in an actual construction, it is necessary to thoroughly study the factors affecting this bond strength. Despite the fact that some theoretical predictive modeling for the strength between steel/CFRP joints under various loading situations has been published, in this work, by using finite element modelling, one may compute the failure loads and effective length of the steel/CFRP specimens quickly, simply and accurately. Additionally, factors affecting these parameters are also investigated in this study.en
dc.description.abstractgeneralStructural Steel deteriorates over time. Due to this, engineers are constantly on the look-out for cheap and easy ways to repair and maintain these structures. One of the methods is the use of carbon fibred polymer or CFRP. In the literature, it has been frequently documented that CFRPs can make existing structures stronger. Additionally, CFRP has the advantages of not corroding and prevents the structure from becoming significantly heavier. Due to this high strength of CFRP, the failure occurs at the steel-CFRP interface and thus this bond and the factors affecting this bond needs to be studied. One way to do this is experimental testing and another way is finite element modelling which can give you data that is harder to get using experimental testing. Thus, this study focuses on finite element modelling of these joints and how it can be used for studying these joints.en
dc.description.degreeMaster of Scienceen
dc.format.mediumETDen
dc.identifier.othervt_gsexam:36323en
dc.identifier.urihttp://hdl.handle.net/10919/113292en
dc.language.isoenen
dc.publisherVirginia Techen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject: CFRPen
dc.subjectSteelen
dc.subjectFE Modellingen
dc.subjectABAQUSen
dc.subjectDouble Strap Jointen
dc.titlePredictive Modelling of CFRP-Steel Double Strap Jointsen
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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