NEHRP Clearinghouse

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• Glaser, S. D.; Leeds, A. L.
  Estimation of System Damping at the Lotung Site by Application of System Identification.
  National Inst. of Standards and Technology (BFRL), Gaithersburg, MD.; National Science Foundation, Arlington, VA., August 1996, 196 p.
  Keywords: Soil profiles; Nuclear power plants; Structure response; Earthquakes; Nonlinearity; Site characterization; Soil structure interactions; Excitation; Stiffness; System identification; Soil mechanics; Liquefaction; Ground motion; Earthquake engineering; Earthquake magnitude; Vibration damping; Seismic effects; Displacement; Seismic waves; Lotung (Taiwan); Earthquake resistant structures; Graphs (Charts)

• Cheng, F. Y.; Lou, K.; Sheng, L. H.
  Collapse Studies of Mission-Gothic Undercrossing and Bull Creek Canyon Channel Bridge during the January 17, 1994 Northridge Earthquake.
  National Science Foundation, Arlington, VA., August 1996, 137 p.
  Identifying Number(s): CIVIL ENGINEERING STUDY-96-6
  Keywords: Earthquake damage; Dynamic response; Ductility; Damage assessment; Ground motion; Soil-strucutre interactions; Cracking (Fracturing); Collapse; Highway bridges; Nonlinearity; Dynamic strucutral analysis; Finite element method; Failure analysis; Seismic effects; Structural members; Displacement; Columns (Supports); Flared columns; Northridge Earthquake; Reinforced concretes; Bending