Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/25761
Title: A six-strut model for nonlinear dynamic analysis of steel infilled frames
Authors: Chrysostomou, Christis 
Gergely, P 
Abel, J.F. 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Keywords: Infill model;infill wall;macro model;nonlinear mechanics;infill parameters;strength envelope;hysteresis loops
Issue Date: 2002
Source: International Journal of Structural Stability and Dynamics, 2002, vol. 2, no. 3, pp. 335-353
Volume: 2
Issue: 3
Start page: 335
End page: 353
Journal: International Journal of Structural Stability and Dynamics 
Abstract: A two-dimensional computational model for infill walls is presented. The behavior of an infill wall is prescribed by a strength envelope and a hysteretic loop equation which provide smooth continuous curves. The infill is idealized with six compression-only inclined struts, which follow the behavior defined by the strength envelope and hysteretic loop equations. Three parallel struts are used in each direction, and the off-diagonal struts are located to represent the interaction between the infill and confining steel frame at locations along the beam-column spans where plastic hinges have been observed to form. The advantages of this analytical model are the following: (a) both strength and stiffness degradation of infill walls are modeled; (b) the parameters of the model have physical meaning and can be readily adapted to fit experimental data; (c) the off-diagonal struts allow modeling of the interaction between the infill and the bounding frame; and (d) local behavior, such as the effects of openings, lack of fit, and interface conditions, can be modeled.
URI: https://hdl.handle.net/20.500.14279/25761
ISSN: 17936764
DOI: 10.1142/S0219455402000567
Rights: © World Scientific
Type: Article
Affiliation : Higher Technical Institute Cyprus 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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