NEHRP Clearinghouse

displaying 1 - 10 results in total 29

  • Kariotis, J. C.; Waqfi, O. M.; Ewing, R. D.
    Computer Program Using Beam Elements for the Nonlinear, Dynamic Analysis of Lumped Parameter Models.
    National Science Foundation, Washington, DC., February 1992, 96 p.
    Identifying Number(s): REPT-2.3-5
    Keywords: Dynamic response; LPM/II computer program; Damping; Computer programs; Earthquake engineering; Beams (Supports); Loads (Forces); Masonry; Reinforcement (Structures); Matrices (Mathematics); Mechanical properties; Equations of motion; Walls; Stiffness; Boundary conditions; Concrete; Displacement; Degrees of freedom; Algorithms; Nonlinear systems; Dynamic structural analysis

  • Igusa, T.; Der Kiureghian, A.
    Dynamic Analysis of Multiply Tuned and Arbitrarily Supported Secondary Systems.
    National Science Foundation, Washington, DC., July 1983, 240 p.
    Identifying Number(s): UCB/EERC-83/07
    Keywords: Dynamic response; Eigenvalues; Damping; Buildings; Earthquake engineering; Earthquakes; Frequency response; Substructures; Degrees of freedom; Approximation; Perturbation; Building subsystems

  • 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

  • Kariotis, J. C.; El-Mustapha, A. M.; Ewing, R. D.
    Influence of Foundation Model on the Uplifting of Structures.
    National Science Foundation, Washington, DC., July 1988, 41 p.
    Identifying Number(s): REPT-2.3-2
    Keywords: ; Dynamic response; Earthquake damage; Buildings; Damping; Earthquake engineering; Loads (Forces); Foundations; Uplift pressure; Earth movements; Degrees of freedom; Displacement; Soil mechanics; Mathematical models; Algorithms; Dynamic structural analysis

  • Pavlou, E. A.; Constantinou, M. C.
    Evaluation of Accuracy of Simplified Methods of Analysis and Design of Buildings with Damping Systems for Near-Fault and for Soft-Soil Seismic Motions.
    Multidisciplinary Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Arlington, VA. Earthquake Engineering Research Centers Program., August 16, 2004, 132 p.
    Keywords: Ground motion; Buildings; Earthquake engineering; Hysteresis; Seismic design; Accuracy; Degrees of freedom; Comparative evaluations; Near-field motions; Soft-soil motions; Ductility

  • Hong, S. T.; Whitman, R. V.
    Optimum Seismic Protection for New Building Construction in Eastern Metropolitan Areas. Ductility Requirements of Multidegree Freedom Systems.
    National Science Foundation, Washington, DC. Engineering and Applied Science., June 1973, 39 p.
    Identifying Number(s): INTERNAL STUDY-35
    Keywords: Ground motion; Buildings; Time series analysis; Earthquake engineering; Earthquake resistant structures; Stress analysis; Ductility tests; Steel structures; Computer applications; Degrees of freedom; Graphic methods; Concrete structures; Tall buildings; Dynamic structural analysis

  • Tansirikongkol, V.; Pecknold, D. A.
    Approximate Modal Analysis of Bilinear MDF Systems Subjected to Earthquake Motions.
    National Science Foundation, Washington, DC. Research Applied to National Needs., August 1978, 221 p.
    Identifying Number(s): ['STRUCTURAL RESEARCH SER-449', 'UILU-ENG-78-2010']
    Keywords: Dynamic response; One degree of freedom; Ten degrees of freedom; Elastic properties; Earthquake engineering; Buildings; Mechanical hysteresis; Theses; Earthquakes; Structures; Degrees of freedom; Three degrees of freedom; Dynamic structural analysis

  • Sackman, J. L.; Kelly, J. M.
    Rational Design Methods for Light Equipment in Structures Subjected to Ground Motion.
    National Science Foundation, Washington, DC., cSeptember 1978, 72 p.
    Identifying Number(s): UCB/EERC-78/19
    Keywords: Floors; Dynamic response; Ground motion; Buildings; Earthquake engineering; Equipment structure interactions; Equipment; Earthquakes; Earth movements; Degrees of freedom; Damping capacity

  • Igarashi, A.; Seible, F.; Hegemier, G. A.
    Development of the Generated Sequential Displacement Procedure and the Simulated Seismic Testing of the TCCMAR 3-Story In-Plane Walls.
    National Science Foundation, Arlington, VA., June 1993, 118 p.
    Keywords: Damage assessment; Walls; Japan; Earthquake damage; Moments; Degrees of freedom; Algorithms; Structural vibrations; Buildings; Earthquake engineering; Displacement; Deformation; Dynamic structural analysis; Dynamic response; Masonry buildings; Earthquake resistant structures; USA; Loads (Forces); Masonry; Generated Sequential Displacement Test Method; Structural gailure; International cooperation

  • Sadek, F.; Mohraz, B.; Lew, H. S.
    Single and Multiple Tuned Liquid Column Dampers for Seismic Applications.
    November 1996, 43 p.
    Identifying Number(s): NISTIR-5920
    Keywords: Dynamic response; Earthquake resistance; Liquid column dampers; Design analysis; Passive systems; Ground motion; Dynamic structural analysis; Loads (Forces); Tuning; Structural vibration; Performance evaluation; Earthquake engineering; Vibration damping; Acceleration; Energy absorption; Structural response; Seismic effects; Degrees of freedom; Energy dissipation