NEHRP Clearinghouse

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• Chu, L.; Askar, A.; Cakmak, A. S.
  Earthquake Waves in a Random Medium.
  National Science Foundation, Washington, DC. Engineering and Applied Science., June 30, 1979, 46 p.
  Identifying Number(s): 79/SM/3
  Keywords: Laplace transformation; Seismic waves; Mechanical hysteresis; Fourier transformation; Dynamic response; Earthquake engineering; Greens function; Elastic properties; Stochastic processes; Earthquakes

• Hong, L. L.; Ang, A. H. S.
  Three-Dimensional Analytical Study of Spatial Variability of Seismic Ground Motions.
  National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., October 30, 1990, 180 p.
  Keywords: Laplace transformation; Seismic design; Computer programs; Three-dimensional models; Mathematical models; Ground motion; Earthquake engineering; System identification; Water pipelines; Power spectra; Stochastic processes; Seismic effects