Seismic Performance of Existing Building in New York Cityby S. Rahman, Cornell Univ, United States,
C. Turkstra, Cornell Univ, United States,
M. Grigoriu, Cornell Univ, United States,
H. -J. Kim, Cornell Univ, United States,
Abstract: Strength-based damage indices depending on structural shear capacity and earthquake intensity are used to predict the seismic performance of existing buildings in New York City. Nonlinear dynamic analyses and statistical evidence from previous earthquakes are used to evaluate strength-based damage indices. Potential seismic damage is estimated for a 24-story R/C flat-slab building in Brooklyn. Preliminary geological investigations suggest that the 1986 San Salvador Earthquake can be used to model approximately the ground motion at the site of this building. The structural model accounts for the uncertainty in various material characteristics caused by an insufficient information on the present state of the building. Results indicate that strength-based damage indices can provide a useful measure of seismic performance for buildings in New York City.
Subject Headings: Seismic tests | Seismic effects | Urban areas | Existing buildings | Damage (structural) | Ground motion | Earthquake resistant structures | Earthquakes | Shear strength | North America | United States | New York | New York City | San Salvador | Brooklyn | El Salvador | Central America
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