Seismic Response of a Platform-Frame System with Steel Columns

Buildings

Luca Pozza¹  Davide Trutalli²  Roberto Scotta²  Luca Marchi²  Lorenzo De Stefani² 

[1] Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, 40136 Bologna, Italy;Department of Civil, Environmental and Architectural Engineering, University of Padova, 35131 Padova, Italy;

关键词: timber structures;    platform frame;    seismic response;    hybrid structures;    light-frame shear wall;   

DOI  :  10.3390/buildings7020033

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown