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Analysis of Composite Bridge Superstructures Using Modified Grillage Method | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 5, 2009, Pages 942-953 PDF (508.44 K) | ||
| DOI: 10.30684/etj.27.5.8 | ||
| Authors | ||
| Sabeeh Z. Al-Sarraf; Ammar A. Ali; Rana A. Al-Dujaili | ||
| Abstract | ||
| The analysis principle was used to analyze anisotropic plates (having different elastic properties and geometries in different directions), the model consists of four side beams with flexural rigidity and torsional rigidity and two diagonal beams with only flexural rigidity . The substitute grid framework is analyzed to give the same deformations and deflections of the orthotropic plate elements of the modeled bridge. Applicability of the suggested procedure in the analysis of actual bridge decks is investigated using STAAD Pro.2006 program. The results show that the suggested procedure is an acceptable procedure which can be adopted to analyze this type of bridge deck. It is found that the modified grillage method gives simpler method and adequate results when compared with the Finite Element Method or orthotropic plate theory solved using Finite Difference Method for this type of bridges. | ||
| Keywords | ||
| composite bridges; superstructures; grillage; orthotropic | ||
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