Modelling of RC Slabs at High Temperature Using Simplified Grillage Model | ||||
| The International Conference on Civil and Architecture Engineering | ||||
| Article 30, Volume 9, 9th International Conference on Civil and Architecture Engineering, May 2012, Page 1-22 PDF (699.42 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/iccae.2012.44267 | ||||
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| Author | ||||
| Sanad, Abdel Moniem | ||||
| Associate Professor and Chairman of Construction and Building Eng. Dept., Arab Academy for Science and Technology and Maritime Transport , Cairo. | ||||
| Abstract | ||||
| Abstract Modelling of full scale fire tests has led to new understanding of the behaviour of structures under fire conditions . Much of this understanding has come from parametric analysis using different finite element models. Outcome of each model depends on the assumptions adopted in the structures idealization. Recent research es showed that behaviour of indeterminate structures at high temperature changes drastically from its behaviour at ambient temperature and large deflections experienced in real buildings during fire a re due to restrained thermal expansion of steel members. However, slabs are the largest elements in any building and it is expected to play a major role in distributing the applied load and contributing to the stability of structures. Modelling of concrete slab at high temperature has been the subject of several researches with different advantages for each model. This paper describes a grillage slab model used to idealize the concrete slab at high temperature. This simplified model has the advantage of ide ntifying the function of slab at high temperature and providing a clear understanding of its contribution to the global stability of structure during fire Finally the comparison of the developed models and experimental results show a good agreement. | ||||
| Keywords | ||||
| Concrete Slab; Numerical modelling; Finite element method; Full Scale Fire Test; Composite Floor | ||||
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