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On the fundamental period of infilled RC frame buildings

Lookup NU author(s): Dr Vasilis SarhosisORCiD

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Abstract

This paper investigates the fundamental period of vibration of RC buildings with the use offinite element modelling and modal eigenvalue analysis. As a base study, a 14-storey "according tocode designed" and "according to code non-designed" RC buildings have been considered. Severalparameters have been studied including the number of spans; the span length in the direction ofmotion; the stiffness of the infills; the percentage openings of the infills and; the location of the softstoreys. The computed values of the fundamental period were also compared against those obtainedfrom seismic code and equations derived from various researchers in the literature. From the resultsanalysis it was found that the span length, the stiffness of the infill wall panels and the location of thesoft storeys are crucial parameters that influencing the fundamental period of RC buildings.

Publication metadata

Author(s): Asteris PG, Repapis C, Cavaleri L, Sarhosis V, Athanasopoulou A

Publication type: Article

Publication status: Published

Journal: Structural Engineering and Mechanics

Year: 2015

Volume: 54

Issue: 6

Pages: 1175-1200

Print publication date: 01/12/2015

Online publication date: 01/06/2015

Acceptance date: 01/06/2015

ISSN (print): 1225-4568

ISSN (electronic): 1598-6217

Publisher: Techno-Press

URL: http://dx.doi.org/10.12989/sem.2015.54.6.1175

DOI: 10.12989/sem.2015.54.6.1175

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