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10004074
Numerical Evaluation of Shear Strength for Cold-Formed Steel Shear Wall Panel
Abstract:
The stability of structures made of light-gauge steel depends highly on the contribution of Shear Wall Panel (SWP) systems under horizontal forces due to wind or earthquake loads. Steel plate sheathing is often used with these panels made of cold formed steel (CFS) to improve its shear strength. In order to predict the shear strength resistance, two methods are presented in this paper. In the first method, the steel plate sheathing is modeled with plats strip taking into account only the tension and compression force due to the horizontal load, where both track and stud are modeled according to the geometrical and mechanical characteristics of the specimen used in the experiments. The theoretical background and empirical formulations of this method are presented in this paper. However, the second method is based on a micro modeling of the cold formed steel Shear Wall Panel “CFS-SWP” using Abaqus software. A nonlinear analysis was carried out with an in-plan monotonic load. Finally, the comparison between these two methods shows that the micro modeling with Abaqus gives better prediction of shear resistance of SWP than strips method. However, the latter is easier and less time consuming than the micro modeling method.
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References:

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[10] S. Esmaeili, B. Rafezy and K. Abedi, “Numerical Study On the Shear Resistance of Cold-Formed Steel Shear Wall with Steel Sheathing,” ASIAN journal of civil engineering (BHRC) vol. 14, no. 3, 2013.
[11] S. G. Buonopane, T. H. Tun and B.W. Schafer, “Fastener-based computational models for prediction of seismic behavior of shear walls,” Tenth U.S. National Conference on Earthquake Engineering. Alaska., 2014
[12] W. Jeffrey and M. Bruneau, “Plastic Design and Testing of Light-Gauge Steel Plate Shear Walls,” 13thWorld Conference on Earthquake Engineering, Vancouver, B.C, Canada, August -2004.
[13] X. Dai, “Numerical Modelling and Analysis of Structural Behaviour of Wall-stud Cold-formed Steel Shear Wall Panels under In-plane Monotonic Loads,” Journal of Civil Engineering Research, 2012.
[14] X. Dai, “Structural Behaviour of Cold-formed Steel Cassette Wall Panels Subject to In-plane Shear Load,” Journal of Civil Engineering Research, 2013.
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