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Paper
Title

EFFECTS of CONFINED CONCRETE MODELS on SIMULATING RC COLUMNS UNDER MONOTONIC LOADING

Year: 1386
COI: SEE05_523
Language: EnglishView: 1,602
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Authors

Alireza Mortezaei - Ph.D. student and Lecturer, Islamic Azad University – Semnan Branch, Semnan, Iran
Ali Kheyroddin - Associate Professor, Engineering Faculty, Semnan University, Semnan, Iran

Abstract:

Material models are the base of computer simulation analysis of structure. Many confined concrete models have been put forward until now; however, there are few comparative studies on effect of confined concrete models on structural member analysis. In this paper, four models are selected as the representatives and applied to nonlinear analysis program for space frames which is based on the beamcolumn element using the finite element flexibility method and the fiber model. Park’s test on columns that are combined axial and bending under monotonic loading are taken as the calibrations, comparisons to material and structural member level are drawn and the analytical results of various models are discussed. From this study it is concluded that despite the significant difference in the stress-strain curve of each confinement model the difference in structural member analysis reduces obviously but still remarkable. The simulation using Mander model shows better agreement with the experimental results.

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Paper COI Code

This Paper COI Code is SEE05_523. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/16229/

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Mortezaei, Alireza and Kheyroddin, Ali,1386,EFFECTS of CONFINED CONCRETE MODELS on SIMULATING RC COLUMNS UNDER MONOTONIC LOADING,5th International Conference on Seismology and Earthquake Engineering,Tehran,https://civilica.com/doc/16229

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  • Test results of specimens at different displacement ductility u is ...
  • 5 10 15 20 25 Dis placem ent(cm) ...
  • The difference of simulative results at member level for each ...
  • Collins, Michael P., 1987.، Toward a Rational Theory for RC ...
  • Darwin, D., and Pecknold, D.A., 1977. "Nonlinear Biaxial Stress-Strain Law ...
  • Mander, J., Priestley, M. and Park, R., 1988. "Theoretical stress-strain ...
  • Gill, W., 1982. "Ductility of square- confined concrete columns", Journal ...
  • Kheyroddin, A., 1996. "Nonlinear Finite Element Analysis of Fle xure-Dominant ...
  • Kupfer, H. B.; Gerstle, K. H. and Rusch, H., 1969. ...
  • Mortezaei, A.R., 2003. «'Investigation of Linear and Nonlinear Behavior of ...
  • Park, R. and Kent, D. 1982. "Analytical model for concrete ...
  • Saenz, L.P., 1965. "Equation for the Stress-Strain Curve of Concrete ...
  • Shayanfar, M.A.; Kheyroddin, A.; and Mirza, M.S., 1997. "Element Size ...
  • Bazant, Z. P., and Oh, B.H., 1983. "Crack Band Theory ...
  • Sheikh, S., 1982. "A comparative study of confinement models", ACI ...
  • Zhang, X. and Guo, Z., 1987. "Stress-strain curvilinear equation of ...
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