Author(s)

S.E. Thomasen

Abstract

Seismic stabilization of historic building facades S.E. Thomasen Wiss, Janney, Elstner Associates, Inc., Emeryville, California, USA ABSTRACT The primary objective of seismic stabilization of historic buildings in earthquake regions is the protection of life safety and prevention of collapse of the structure. These buildings, commonly of unreinforced masonry construction, often have ornamental facades with an unmatched richness of detailing and vivid coloring. Their failure during an earthquake represents a hazard from falling masonry blocks as well as an often irreplaceable loss of historically significant building facades. INTRODUCTION The problems for the seismic retrofit of historic structures is to find the balance of intervention, that reduces the risk of injury or property damage to an acceptable level without unduly destroying the historic fabric. Selecting the level of seismic stabilization is a difficult decision. Strengthening a structure to en

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