Fracture mechanical analysis of strengthened concrete tension members with one crack
Publication: Research - peer-review › Journal article – Annual report year: 2012
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Fracture mechanical analysis of strengthened concrete tension members with one crack. / Hansen, Christian Skodborg; Stang, Henrik.
In: International Journal of Fracture, Vol. 173, No. 1, 2012, p. 21-35.Publication: Research - peer-review › Journal article – Annual report year: 2012
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TY - JOUR
T1 - Fracture mechanical analysis of strengthened concrete tension members with one crack
A1 - Hansen,Christian Skodborg
A1 - Stang,Henrik
AU - Hansen,Christian Skodborg
AU - Stang,Henrik
PB - Springer Netherlands
PY - 2012
Y1 - 2012
N2 - 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.
AB - 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.
KW - Fracture mechanics
KW - Cohesive zone modelling
KW - Crack growth
KW - Debonding
KW - Fiber reinforced materials
KW - Bonded joints
KW - Interface fracture
KW - Concrete
U2 - 10.1007/s10704-011-9661-3
DO - 10.1007/s10704-011-9661-3
JO - International Journal of Fracture
JF - International Journal of Fracture
SN - 0376-9429
IS - 1
VL - 173
SP - 21
EP - 35
ER -