2002
DOI: 10.1007/bf02482090
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Strength of short concrete columns confined with CFRP sheets

Abstract: The confinement of concrete columns provided by carbon fibre reinforced plastic (CFRP) sheets can be an efficient technique for their structural strengthening. The principal advantages of this technique are the high strength-to-weight ratio, good fatigue properties, noncorroding characteristics of the CFRP, and the facility of its application.An experimental research program, that included tests on 54 short column specimens, was carried out to investigate the gain in strength and ductility of concrete columns … Show more

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Cited by 235 publications
(70 citation statements)
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“…However, it can be easily verified that for typical values of involved parameters, the numerical influence of ν (even ranging widely between zero and two) is negligible in Equation (27); hence, to simplify the evaluation, ν can be approximately fixed equal to 0.5. This simplifies the calculation, while more refined evaluations can be based on the iterative evaluation of ν = ε l /ε cc .…”
Section: Cross-sectionmentioning
confidence: 99%
See 2 more Smart Citations
“…However, it can be easily verified that for typical values of involved parameters, the numerical influence of ν (even ranging widely between zero and two) is negligible in Equation (27); hence, to simplify the evaluation, ν can be approximately fixed equal to 0.5. This simplifies the calculation, while more refined evaluations can be based on the iterative evaluation of ν = ε l /ε cc .…”
Section: Cross-sectionmentioning
confidence: 99%
“…In this procedure, the evaluation of ultimate concrete strain plays a crucial role to account for concrete nonlinearities (ν and E c ); hence, it will be the focus of future developments and improvements of the predictability of the model. The procedure is based on the evaluation of f cc,sq (according to Equation (25)), where f l,sq is evaluated based on trial E c (according to Equation (27)); this value of f cc,sq is divided by ε cc (according to Equation (28)), providing the new value of E c which converges to the previous trial E c in very few iterations. It is noted that Equation (25) is the core of the methodology, it being possible to insert every confinement model to calculate f cc .…”
Section: Cross-sectionmentioning
confidence: 99%
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“…The writers collated a test database of 329 FRP confined plain concrete specimens reported by Demers and Neale (1994), Watanabe et al (1997), Matthys et al (1999), Rochette and Labossière (2000), Xiao and Wu (2000), Suter and Pinzelli (2001), Parvin and Wang (2001), Pessiki et al (2001), Shehata et al (2002), De Lorenzis et al (2002, Karabinis and Rousakis (2002), Lam and Teng (2003b), Chaallal et al (2003), Ilki and Kumbasar (2003), Masia et al (2004), Berthet et al (2005), Lam et al (2006), Saenz and Pantelides (2006), Jiang and Teng (2007), Valdmanis et al (2007), Al-Salloum (2007), Rousakis et al (2007), Wang and Wu (2008), Tao et al (2008), Wu and Wei (2010), , and Hadi et al (2013). The primary focus of this paper is on CFRP; as such, test results of materials other than CFRP were excluded from this database.…”
Section: Test Databasementioning
confidence: 99%
“…Early studies, based on this assumption, that proposed formulas for strain estimation include Karbhari and Gao (1997), Miyauchi et al (1999), Toutanji (1999), and Ilki et al (2008). Another commonly used approach is based on volume strain and dilation behavior (Lam and Teng 2003a, b) or regression analysis of experiments (Shehata et al 2002). All of the previously noted studies used the mechanism behavior of confined concrete to obtain strain estimations.…”
Section: Introductionmentioning
confidence: 99%