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Buildings 2018, 8(10), 141; https://doi.org/10.3390/buildings8100141

Dynamic Characterisation and Finite Element Updating of a RC Stadium Grandstand

1
CERIS, ICIST and Departamento de Engenheria Civil da Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa, Quinta da Torre, 2829-516 Caparica, Portugal
2
Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy
*
Author to whom correspondence should be addressed.
Received: 13 September 2018 / Revised: 29 September 2018 / Accepted: 10 October 2018 / Published: 12 October 2018
(This article belongs to the Special Issue Non-destructive Testing for Building Evaluation)
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Abstract

This paper reports on the dynamic characterisation of a Reinforced Concrete (RC) stadium grandstand module for the Sporting Stadium in Lisbon. To this aim, 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 modal characteristics for the examined structural system. Ambient vibration tests are then carried out on the same grandstand, and used to extract the natural frequencies and vibration modes of the system, according to conventional state-of-the-art output-only modal 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 modal testing results. View Full-Text
Keywords: Reinforced Concrete (RC) stadium grandstand; dynamic identification; Finite Element (FE) numerical modelling; FE model updating Reinforced Concrete (RC) stadium grandstand; dynamic identification; Finite Element (FE) numerical modelling; FE model updating
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Santos, F.; Cismaşiu, C.; Cismaşiu, I.; Bedon, C. Dynamic Characterisation and Finite Element Updating of a RC Stadium Grandstand. Buildings 2018, 8, 141.

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