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Experimental study of the reduction at crack-tip stress intensity factor KI by bonded patches

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dc.contributor.author Papadopoulos, GA en
dc.contributor.author Badalouka, B en
dc.contributor.author Souyiannis, J en
dc.date.accessioned 2014-03-01T01:28:22Z
dc.date.available 2014-03-01T01:28:22Z
dc.date.issued 2008 en
dc.identifier.issn 0376-9429 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/18827
dc.subject Caustic en
dc.subject Crack en
dc.subject FEA en
dc.subject Patch en
dc.subject Stress intensity factor en
dc.subject.classification Mechanics en
dc.subject.other Asphalt pavements en
dc.subject.other Crack propagation en
dc.subject.other Cracks en
dc.subject.other Maintenance en
dc.subject.other Numerical methods en
dc.subject.other Repair en
dc.subject.other Analytical and numerical methods en
dc.subject.other Caustic en
dc.subject.other Crack en
dc.subject.other Crack tips en
dc.subject.other Cracked structures en
dc.subject.other Experimental studies en
dc.subject.other FEA en
dc.subject.other Material behaviors en
dc.subject.other Numerical determination en
dc.subject.other Patch en
dc.subject.other Patch repair en
dc.subject.other Simplifying assumptions en
dc.subject.other Stress intensity en
dc.subject.other Stress intensity factor en
dc.subject.other Stress intensity factor (SIF) en
dc.subject.other Stress intensity factors en
dc.title Experimental study of the reduction at crack-tip stress intensity factor KI by bonded patches en
heal.type journalArticle en
heal.identifier.primary 10.1007/s10704-008-9240-4 en
heal.identifier.secondary http://dx.doi.org/10.1007/s10704-008-9240-4 en
heal.language English en
heal.publicationDate 2008 en
heal.abstract Patch repair of cracked structures has become a rapidly grown technology. The major function of a repair is to reduce the stress intensity factor at the crack-tip. Calculation of stress intensity factor of a repaired crack has been performed by analytical and numerical methods. However, these methods are based on simplifying assumptions regarding material behavior and repair conditions. In the present paper an experimental and an numerical determination of mode-I stress intensity factor (SIF), KI at the tip of an edge crack reinforced with bonded patches is undertaken by using the optical method of caustics and the finite element analysis (FEA). The experimental method of caustics is simple in its application and has successfully been used for the solution of a host of crack problems of engineering importance. The experimental results are compared with the corresponding one obtained by FEA. The program ANSYS 11 was used for the FEA. The cracked used plates were made of Lexan (PCBA) and the patches were made of Plexiglas (PMMA). © Springer Science+Business Media B.V. 2008. en
heal.publisher SPRINGER en
heal.journalName International Journal of Fracture en
dc.identifier.doi 10.1007/s10704-008-9240-4 en
dc.identifier.isi ISI:000258277300005 en
dc.identifier.volume 149 en
dc.identifier.issue 2 en
dc.identifier.spage 199 en
dc.identifier.epage 205 en


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