Optimization Methods of Energy Dissipative Columns
Tomme: LVII (LXI) Fascicle: 4 | 2011
Pages: 33-42
Abstract text:
In seismic areas the shallow composite flooring systems like Slimdek present some disadvantages. The most important is the low energy dissipation capacity. Embedding the beams in concrete eliminates the occurrence of plastic hinges, which are the mechanisms of absorbing the seismic energy. In order to correct that, energy dissipative columns are proposed. The columns studied so far showed a good energy dissipation capacity for high relative storey displacements. In this paper several methods are considered of improving these columns subjected to small displacements. Also, a case study is made. A multi-storey building is analysed in order to obtain a relative storey displacement, which was used as the action for the studies regarding methods of optimization of energy dissipative columns.
Key Words:
dampers; Slimdek; energy dissipative columns; finite element analysis; hysteresis
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