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Träfflista för sökning "WFRF:(Rousakis Theodoros C.) "

Sökning: WFRF:(Rousakis Theodoros C.)

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1.
  • Rousakis, Theodoros C., et al. (författare)
  • Analytical modelling of plastic behaviour of uniformly FRP confined concrete members
  • 2008
  • Ingår i: Science Direct, Composites Part B: Engineering. - : Elsevier BV. - 1359-8368. ; 39:7-8, s. 1104-1113
  • Tidskriftsartikel (refereegranskat)abstract
    • A method is presented for the assessment and calibration of the elastoplastic behaviour of FRP confined concrete. The method is based on the evaluation of permanent deformations from observed experimental deformations and theoretical elastic response of confined concrete. The inelastic response of concrete and the parameters of its mathematical modelling are investigated. Closed form expressions are produced to relate the model parameters to the mechanical properties of the material. A strain-hardening Drucker–Prager model is developed which simulates both the hardening and softening material response with reasonable agreement to the experimental observations. The predictive ability of the model is verified through comparisons to numerous published experimental data and analytical models.
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2.
  • Tepfers, Ralejs, 1933, et al. (författare)
  • Analytical modelling of the plastic behaviour of concrete under uniform confinement by FRP jacket
  • 2006
  • Ingår i: Greek National 15th Concrete Conference, Alexandroupolis, 25-27 October 2006. ; A, s. 347-358
  • Konferensbidrag (refereegranskat)abstract
    • Analytical modelling of the plastic behaviour of concrete under uniform confinement by FRP jacket.T.C. RousakisA.I. KarabinisP.D. KiousisR. TepfersKeywords: FRP, confinement, plasticity theory, dilation, damageABSTRACT: An investigation and calibration methodology is presented for theplastic behaviour of FRP confined concrete based on the indirect extraction ofexperimental data from monotonic compression tests of confined cylinders. ADrucker-Prager plasticity model is proposed with an advanced hardening -softening function, in agreement with experimental observations, where theinelastic parameters of concrete are uniquely expressed through analyticalrelations to concrete strength or jacket's stiffness. The plastic dilationparameter depends on the strength of concrete as well as on the axial rigidityof jacket. The predictions of the model are compared against publishedexperimental data of several researchers and against confinement models.
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  • Resultat 1-2 av 2
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konferensbidrag (1)
tidskriftsartikel (1)
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refereegranskat (2)
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Tepfers, Ralejs, 193 ... (2)
Rousakis, Theodoros ... (2)
Karabinis, Athanasio ... (1)
Kiousis, Panos D. (1)
Karabinis, A. I. (1)
Kiousis, P.D. (1)
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Chalmers tekniska högskola (2)
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Engelska (1)
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