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Modal testing and FE model updating of a lively staircase structure
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Belver, Ali Vasallo, Živanović, Stana, Đặng, Hiệp Vũ, Istrate, Melania and Iban, Antolin Lorenzana (2012) Modal testing and FE model updating of a lively staircase structure. In: IMAC XXX Conference and Exhibition on Structural Dynamics, Jacksonville, FL, U.S.A., Jan 30 - Feb 2, 2012. Published in: Topics in Modal Analysis 1, Vol. 5, Conference Proceedings of the Society for Experimental Mechanics Series, Vol.30 pp. 547-557. doi:10.1007/978-1-4614-2425-3_51 ISSN 2191-5644.
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Official URL: http://dx.doi.org/10.1007/978-1-4614-2425-3_51
Abstract
Effects of structural flexibility on the dynamic performance of structures such as staircases, footbridges, and long span floors is becoming an increasingly important aspect of modern design. Cost reduction, improving efficiency of design, enhancement of aesthetic perception and, innovation in architectural forms often result in slender and lightweight structures that are significantly more flexible and vibration-prone than ever before. Consequently, meeting relevant vibration serviceability criteria, as opposed to ultimate strength requirements, is becoming the governing factor in the design of many new structures. Despite significant advances in numerical prediction of modal properties of structures using Finite Element (FE) modelling technique, there still exist challenges in accurate representation of the actual dynamic behaviour. This is mainly due to some inherent modelling uncertainties related to a lack of information on the as-built structures, such as uncertainties in boundary conditions, material properties and the effects of non-structural elements. This paper presents the results of a modal testing exercise carried out to assess the dynamic behaviour of a lively staircase structure. The assessment procedure includes a full-scale ambient vibration testing, modal identification and FE modelling and updating. In particular, the influence of boundary conditions and presence of handrails on dynamic properties of the structure are commented.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Topics in Modal Analysis 1, Vol. 5, Conference Proceedings of the Society for Experimental Mechanics Series | ||||
Publisher: | The Society for Experimental Mechanics, Inc. | ||||
ISSN: | 2191-5644 | ||||
Book Title: | Topics in Modal Analysis I, Volume 5 | ||||
Official Date: | 2012 | ||||
Dates: |
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Volume: | Vol.30 | ||||
Page Range: | pp. 547-557 | ||||
DOI: | 10.1007/978-1-4614-2425-3_51 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Santander Research Grant Fund (Warwick-Santander partnership), ADE Inversiones y Servicios (Spain), Ministerio de Ciencia e Innovación (Spain) | ||||
Grant number: | CCT/10/ VA0001 (ADE), Project BIA2011-28493-C02-02 (MCI) | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | IMAC XXX Conference and Exhibition on Structural Dynamics | ||||
Type of Event: | Conference | ||||
Location of Event: | Jacksonville, FL, U.S.A. | ||||
Date(s) of Event: | Jan 30 - Feb 2, 2012 |
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