Author(s)

S.E. Thomasen & U.M. Gilmartin

Abstract

Historic heritage buildings and monuments are unique structures in California. These structures include bridges and lighthouses, turn of the century factories, churches and hotels, and many of the residential and commercial buildings that form the core of the older cities. Most of California is very seismically active, but few of these heritage buildings have what is currently considered to be an acceptable safety margin against seismic failure. Many structures were demolished but, fortunately, careful consideration is now given to preservation and seismic stabilization of a historic heritage structure before it is subject to demolition or ill-conceived rehabilitation. 1 Introduction Historic structures must be preserved for future generations because of their valuable cultural heritage and becau

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