Seismic Performance of Existing Building in New York City

by 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,

Document Type: Proceeding Paper

Part of: Seismic Engineering: Research and Practice


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 | Ground motion | Earthquakes | Dynamic structural analysis | Dynamic analysis | Existing buildings | New York City | New York | United States | El Salvador | Central America

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