Finite Element Analysis of Reinforced Concrete Waffle Slabs in Steel Structures Service Conditions

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Keihanian, Pedram | 2018

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Type of Document: M.Sc. Thesis
Language: English
Document No: 50658 (53)
University: Sharif University of Technology, International Campus, Kish Island
Department: Science and Engineering
Advisor(s): Eskandari, Morteza; Kazemi, Mohammad Taghi
Abstract:
Since the main weight of structures comes from the weight of floor systems, it is desirable to use tin and light floor system in order to reduce gravity and seismic force induced in the structure. However architectural aspects limit the application of short spans in the structural system. The objective of this work was to analyze the adequacy of a design method widely used in the modeling of waffle slabs interaction with steel columns as its supports in steel frames, and to verify if it represents the slab behavior satisfactorily. A real scale waffle slab was laid on a steel column and submitted to service loads. Subsequently it was analyzed with FE method for measuring specific stress, strain and deflection in different points. The numerical analysis was made using ABAQUS/CAE commercial FEM software in structural analysis. Results showed a nonlinear behavior up to tensile cracking. Different results in deflections are compared with the employed slabs modeling software SAFE, which is widely used by structural engineers as design software for slabs. The results from the software have reasonable roles
Keywords:
Reinforced Concrete ; Steel Structures ; Finite Element Method ; Waffle Slab ; Service Conditions

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