Seismic design and constructability of RCS special moment frames
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This paper presents an evaluation in terms of constructability, cost, and seismic performance of an alternative structural system for high seismic risk zones made of composite reinforced concrete-steel (RCS) special moment-resisting frames. Interior beam-column joints and the effects of a reinforced concrete slab on composite metal decking are investigated. The major issues discussed are related to seismic design philosophy and constructability of a three-dimensional RCS special moment frame system for low-rise and mid-rise construction. The key conclusion from this work is that the proposed RCS frame system has advantages over steel frame systems in high seismic risk zones in terms of having a cost-effective construction process and possessing certain stable hysteretic performance during inelastic excursions.