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by J. Kariotis
Kariotis, J. (1996). Application of Recorded Motion to Post-Northridge Evaluation of Steel Frame Buildings. SMIP96
Seminar on Seismological and Engineering Implications of Recent Strong-Motion Data, p. 117 - 130.
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Abstract
Contradictory recommendations have been made in the Interim Guidelines FEMA 267/ Aug 1995, and the SAC Technical
Report. 95-04, as to the value of analysis in post-earthquake evaluation of WSMF buildings.
Analytical studies of the response of welded steel moment frames (WSMF) using data recorded at the base and up the
height of the building have been shown to be very useful in defining the zone of the building where earthquake
damage is most likely. When damage is found in the zone where analysis would have predicted, this zone must be
extensively sampled. Effort expended in a random survey for earthquake-caused damage is not earthquake response
related and is not cost-effective.
A random testing procedure is useful to determine the effectiveness of the original quality control procedure. An
analysis based damage survey is more productive in finding if the site shaking caused earthquake damage.
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