Fracture mechanical analysis of strengthened concrete tension members with one crack

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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A concrete tension member strengthened 2 with fiber reinforced polymer plates on two sides 3 is analyzed with non-linear fracture mechanics. The 4 analysis of the strengthened tension member incorpo5 rates cohesive properties for both concrete and inter6 face between concrete and strengthening medium, and 7 results in closed formsolutions for the load-crack open8 ing relationship. To distinguish between single and 9 multiple cracking in a design process, structural clas10 sification parameters are derived. The minimum rein11 forcement ratio for obtainingmultiple cracking derived 12 from the structural classification parameters, is inves13 tigated in a non-dimensional analysis, and found to 14 depend strongly on the ratio between interfacial and 15 concrete fracture energies.
Original languageEnglish
JournalInternational Journal of Fracture
Publication date2012
Volume173
Journal number1
Pages21-35
ISSN0376-9429
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 1

Keywords

  • Fracture mechanics, Cohesive zone modelling, Crack growth, Debonding, Fiber reinforced materials, Bonded joints, Interface fracture, Concrete
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