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ANALYTICAL STUDY OF REINFORCED CONCRETE TWO-WAY SLABS WITH AND WITHOUT OPENING HAVING DIFFERENT BOUNDARY CONDITIONS | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 4, Volume 19, Issue 4, 2011, Pages 11-27 PDF (0 K) | ||
| DOI: 10.33899/rengj.2011.26789 | ||
| Author | ||
| Hosam A. Daham | ||
| Abstract | ||
| Abstract Concrete slabs with opening are usually designed with help of traditional rules of thumb proposed by building codes. Such methods, however, introduce limitations concerning size of openings and magnitude of applied loads. Furthermore, there is a lack of sufficient information and instructions are needed to design opening in slabs of different boundary conditions in existing concrete slabs. The aim of this research is to carry out finite element analyses by using the ANSYS 5.4 program with a non-linear concrete model satisfying complex support condition to predict the ultimate load for the different types of reinforced concrete slabs. The effects of openings for different types of boundary conditions were studied and show that the opening in slabs which having supported on four edges have little effects on slab. Boundary conditions also studied here which show the slabs fixed on two opposite edges at least have clearly behavior on slab compared with another boundary conditions. Opening also have a great effect on values and distribution of normal stresses in slabs especially at opening region. | ||
| Keywords | ||
| Key Words; Way Slab; finite element; reinforced concrete; Opening | ||
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