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Nonlinear Finite Element Analysis of High Strength Lightweight Concrete Beams | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 28, Issue 10, 2010, Pages 1910-1923 PDF (234.33 K) | ||
| DOI: 10.30684/etj.28.10.4 | ||
| Author | ||
| Farked Kais Ibrahim | ||
| Abstract | ||
| This research work presents a nonlinear finite element investigation on the behavior of lightweight reinforced concrete beams. This investigation is carried out in order to get a better understanding of their behavior throughout the entire loading history. The three-dimensional 20-node brick elements are used to model the concrete, while the reinforcing bars are modeled as axial members embedded within the concrete brick elements. The compressive behavior of concrete is simulated by an elastic-plastic work-hardening model followed by a perfectly plastic response, which terminated at the onset of crushing. In tension, a fixed smeared crack model has been used .The effect of some important parameters (ƒ'c , rw ,a/d) have been investigated to study their influence on the predicted loaddeflection curves | ||
| Keywords | ||
| nonlinear; finite element; Lightweight; beams | ||
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