NEHRP Clearinghouse

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• Idriss, I. M.
  Procedures for Selecting Earthquake Ground Motions at Rock Sites (Revised).
  National Inst. of Standards and Technology, Gaithersburg, MD., March 1993, 40 p.
  Keywords: ; Damping; Tremors; Earthquakes; Time studies; Seismic effects; Spectral response; Shock waves; Attenuation; Motion studies

• Kelly, J. M.; Sackman, J. L.
  Conservatism in Summation Rules for Closely Spaced Modes.
  May 1979, 35 p.
  Identifying Number(s): UCB/EERC-79/11
  Keywords: Dynamic response; Earthquakes; Vibration; Nuclear reactor safety; Spectral response; Oscillation modes; Dynamic structural analysis