Table of Contents
Buildings, Volume 8, Issue 10 (October 2018)
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Cover Story (view full-size image) This paper reports on the dynamic characterisation of a Reinforced Concrete (RC) stadium grandstand [...] Read more. This paper reports on the dynamic characterisation of a Reinforced Concrete (RC) stadium grandstand module for the Sporting Stadium in Lisbon. A three-dimensional (3D) Finite-Element (FE) numerical model, implemented according to the technical drawings of the structure, is first presented to provide preliminary estimates of the expected model characteristics. Ambient vibration tests are then carried out on the grandstand and used to extract the natural frequencies and vibration modes of the system, according to conventional state-of-the-art output-only model parameter identification techniques. A sensitivity investigation and FE model updating study is hence presented for the grandstand, giving evidence of the major influencing parameters and key input data for the numerical fitting of the experimental model results. View the paper here.