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Analysis of Recorded Building Data to Verify or Improve 1991 Uniform Building Code (UBC) Period of Vibration Formulas

by E.E. Cole, C.V. Tokas and J.F. Meehan

Cole, E.E., C.V. Tokas and J.F. Meehan (1992). Analysis of Recorded Building Data to Verify or Improve 1991 Uniform Building Code (UBC) Period of Vibration Formulas. SMIP92 Seminar on Seismological and Engineering Implications of Recent Strong-Motion Data, p. 6-1 - 6-12.

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Abstract

A data base of 64 buildings was developed to investigate their fundamental period of vibration recorded during recent California earthquakes. These periods are compared with those calculated from the 1991 Uniform Building Code (1991 UBC) and the 1990 Structural Engineers Association of California Recommended Lateral Force Requirements (Blue Book). Steel moment frames, braced frames, concrete moment frames, and shear wall buildings are included in the data base. Also included in the study are buildings from the Gates & Foth report [12].