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Detection of fiber fracture in Unidirectional Fiber Reinforced Composites using an In-Plane Fiber Optic Sensor

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dc.contributor.authorCassino, Christopher Danielen
dc.contributor.committeechairDuke, John C. Jr.en
dc.contributor.committeememberHajj, Muhammad R.en
dc.contributor.committeememberHenneke, Edmund G. IIen
dc.contributor.departmentEngineering Science and Mechanicsen
dc.date.accessioned2014-03-14T20:35:47Zen
dc.date.adate2002-06-20en
dc.date.available2014-03-14T20:35:47Zen
dc.date.issued2002-04-26en
dc.date.rdate2012-06-22en
dc.date.sdate2002-05-09en
dc.description.abstractFiber reinforced polymers (FRP) are an efficient and inexpensive method of repairing deteriorating infrastructure. FRP sheets can be applied to spalling bridge sections and columns to prevent further deterioration and increase stiffness. However, the effect of the environment on the long-term durability of FRP and how the various damage mechanisms initiate and develop are not known. Systems for structural health monitoring are being sought as a means of managing important components in transportation systems as assets in light of modern life cycle cost concepts. This study characterizes a fiber optic sensor for use in detecting acoustic emissions (AE) in FRP. The results of AE analysis (signal amplitude, frequency spectra, MARSE, and in-plane displacement) caused by simulated fiber fracture experiments and other types of mechanical loading in FRP test coupons are reported. The applications to the development of FRP structural health monitoring systems are also discussed.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-05092002-164605en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05092002-164605/en
dc.identifier.urihttp://hdl.handle.net/10919/32419en
dc.publisherVirginia Techen
dc.relation.haspartabstract.pdfen
dc.relation.haspartCCassino_MSThesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectCFRPen
dc.subjectAcoustic Emissionsen
dc.subjectEFPIen
dc.subjectStructural Health Monitoringen
dc.titleDetection of fiber fracture in Unidirectional Fiber Reinforced Composites using an In-Plane Fiber Optic Sensoren
dc.typeThesisen
thesis.degree.disciplineEngineering Science and Mechanicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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