Abstract

An existing eight-storey reinforced concrete shear wall building located in Montreal is studied to evaluate the impact of applying a conditional mean spectrum (CMS) in lieu of the conventional uniform hazard spectrum (UHS) to the seismic evaluation of such structures. The construction of the CMS is reviewed and adapted to take account of seismic hazard in Montreal. The developed CMS and their envelopes were used to conduct modal response spectrum analyses of the building and the results are compared to those obtained from the NBCC 2005 UHS. Justifications of similarities or differences between CMS- and UHS-based results are illustrated throughout the paper.

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