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Buildings 2017, 7(2), 33; doi:10.3390/buildings7020033

Seismic Response of a Platform-Frame System with Steel Columns

1
Department of Civil, Environmental and Architectural Engineering, University of Padova, 35131 Padova, Italy
2
Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, 40136 Bologna, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Francisco López Almansa
Received: 30 January 2017 / Revised: 30 March 2017 / Accepted: 31 March 2017 / Published: 7 April 2017
(This article belongs to the Special Issue Seismic Performance of Timber Platform Frame Buildings)
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Abstract

Timber platform-frame shear walls are characterized by high ductility and diffuse energy dissipation but limited in-plane shear resistance. A novel lightweight constructive system composed of steel columns braced with oriented strand board (OSB) panels was conceived and tested. Preliminary laboratory tests were performed to study the OSB-to-column connections with self-drilling screws. Then, the seismic response of a shear wall was determined performing a quasi-static cyclic-loading test of a full-scale specimen. Results presented in this work in terms of force-displacement capacity show that this system confers to shear walls high in-plane strength and stiffness with good ductility and dissipative capacity. Therefore, the incorporation of steel columns within OSB bracing panels results in a strong and stiff platform-frame system with high potential for low- and medium-rise buildings in seismic-prone areas. View Full-Text
Keywords: timber structures; platform frame; seismic response; hybrid structures; light-frame shear wall timber structures; platform frame; seismic response; hybrid structures; light-frame shear wall
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Trutalli, D.; Marchi, L.; Scotta, R.; Pozza, L.; De Stefani, L. Seismic Response of a Platform-Frame System with Steel Columns. Buildings 2017, 7, 33.

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