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Title: Modeling of infilled framed structures
Authors: Asteris, Panagiotis G. 
Chrysostomou, Christis 
Giannopoulos, Ioannis 
Ricci, Paolo 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Keywords: Infilled frames;Masonry;Seismic responses;Shear distribution;Stiffness
Issue Date: 2013
Source: Computational Methods in Applied Sciences, 2013, vol. 30, pp.197-224
Volume: 30
Start page: 197
End page: 224
Journal: Computational Methods in Applied Sciences 
Abstract: © Springer Science+Business Media Dordrecht 2013. This chapter presents an assessment of the behavior of infilled framed structures. The feasibility of possible immediate implementation of some recent developments both in analysis and design of infilled frames for practical design is investigated. It is now widely recognized that masonry infill panels, used in reinforced concrete (R/C) frame structures, significantly enhance both the stiffness and the strength of the surrounding frame. However, their contribution is often not taken into account because of the lack of knowledge of the composite behavior of the surrounding frame and the infill panel. Currently, Seismic Design Guidelines contain provisions for the calculation of the stiffness of solid infilled frames mainly by modeling infill walls as “diagonal struts.” However, such provisions are not provided for infilled frames with openings. The present study, based on available finite element results, proposes analytical equation for obtaining the reduction factor, which is the ratio of the effective width of a diagonal strut representing a wall with an opening over that of the solid RC infilled frame. The validity of the proposed equations is demonstrated by comparing our results, against work done by various researchers.
ISBN: 1871-3033
DOI: 10.1007/978-94-007-6573-3_10
Rights: © Springer
Type: Article
Affiliation : School of Pedagogical & Technological Education 
Cyprus University of Technology 
University of Naples Federico II 
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