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Time-dependent Numerical Modeling of Plain Concrete Columns Wrapped by FRP Sheets | ||
| Anbar Journal of Engineering Sciences | ||
| Article 1, Volume 9, Issue 1, 2018, Pages 267-280 PDF (1.44 M) | ||
| DOI: 10.37649/aengs.2018.146606 | ||
| Authors | ||
| A. S Mahmoud; Z. T Salih | ||
| Abstract | ||
| The demand for strengthening structures becomes necessary when an increase in load is inevitable. For instance very little information is available on the time-dependent behaviour of strengthened concrete columns. Also, this is a primary factor hindering the widespread uses of FRP strengthening technologies in the construction implementations. This paper investigates the behaviour of strengthened concrete columns with FRP sheets subjected to long-term loading by non linear finite element analysis using ANSYS computer package. A three-dimensional finite element model has been used in this investigation. This study achieved a good agreement between numerical and experimental results, it was found that the percentage of error of specimens do not pass (5%) for creep strain. In addition, a parametric study was performed to study the effect of different factors on the behaviour of FRP strengthened concrete columns. | ||
| Keywords | ||
| reinforced concrete; Creep; FRP Strengthening; viscoelastic; finite element | ||
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