NEHRP Clearinghouse

displaying 1 - 7 results in total 7

  • Ghanem, R. G.; Gavin, H.; Shinozuka, M.
    Experimental Verification of a Number of Structural System Identification Algorithms.
    National Science Foundation, Washington, DC., September 18, 1991, 423 p.
    Identifying Number(s): NCEER-91-0024
    Keywords: ; Dynamic response; Kalman filters; Seismic waves; Earthquake engineering; Earthquakes; Structural vibration; Verification; Least squares method; Mathematical models; Algorithms; Dynamic structural analysis

  • Toussi, S.; Yao, J. T. P.
    Hysteresis Identification of Multi-Story Buildings.
    National Science Foundation, Washington, DC., May 1981, 96 p.
    Identifying Number(s): CE-STR-81-15
    Keywords: Damping; Buildings; Error analysis; Earthquake engineering; Earthquake resistant structures; Mechanical hysteresis; Degrees of freedom; Concrete structures; Least squares method

  • Taoka, G. T.
    System Identification of Tall Vibrating Structures.
    National Science Foundation, Washington, DC. Engineering and Applied Science., July 1979, 124 p.
    Keywords: Dynamic response; Skyscrapers; Earthquake engineering; Earthquake resistant structures; Earthquakes; Yokohama (Japan); Tokyo (Japan); Forced vibration; Least squares method; Japan; Tall buildings; Power spectra; Dynamic structural analysis

  • Brady, R. J.; Perkins, J. B.
    Macroeconomic Effects of the Loma Prieta Earthquake.
    National Science Foundation, Washington, DC. Div. of Industrial Science and Technological Innovation., November 1991, 53 p.
    Keywords: San Francisco Bay Area; Economic impact; Earthquake damage; Economic analysis; Earthquakes; Employment; Loma Prieta Earthquake; Estimates; Statistical analysis; Least squares method; California; Economic factors

  • Singh, H.; Thayer, M. A.; Murdoch, J. C.
    Loma Prieta Earthquake: An Event Study of Changes in Risk Perceptions and the Housing Market.
    National Science Foundation, Washington, DC. Div. of Industrial Science and Technological Innovation., January 1992, 117 p.
    Keywords: San Francisco Bay Area; Earthquake damage; Risk; Market value; Residential buildings; Perception; Soil properties; Loma Prieta Earthquake; Prices; California; Least squares method; Benefit cost analysis; Economic factors

  • Lienert, B. R.; Berg, E.; Frazer, L. N.
    Hypocenter: An Earthquake Location Method Using Centered, Scaled, and Adaptively Damped Least Squares.
    June 1986, 15 p.
    Identifying Number(s): HIG-CONTRIB-1712
    Keywords: Damping; HYPOCENTER model; Time; Mean; Iterations; Earthquakes; Equations; Velocity; Adaptive systems; Epicenters; Variables; Seismic velocity; Seismic data; Seismic arrays; Least squares method; Arrival time; Algorithms; Reprints; Position (Location); Travel time

  • Smith, J. K.
    Effects of Cracks on the Seismic Analysis of Reinforced Concrete Nuclear Containment Vessels.
    National Science Foundation, Washington, D.C. Research Applied to National Needs., April 1977, 175 p.
    Identifying Number(s): 368
    Keywords: Seismic surveys; Computer programs; Earthquake engineering; Cracking (Fracturing); Pressure vessels; Shear stresses; Modal computer program; Reinforced concrete; Finite element analysis; Degrees of freedom; Design criteria; Nuclear reactor containment; Least squares method; Steel