NEHRP Clearinghouse

displaying 601 - 610 results in total 720

  • Bollo, M. E.; Mahin, S. A.; Moehle, J. P.; Stephen, R. M.; Qi, X.
    Observations and Implications of Tests on the Cypress Street Viaduct Test Structure.
    National Science Foundation, Washington, DC.; California State Dept. of Transportation, Sacramento., December 1990, 291 p.
    Identifying Number(s): UCB/EERC-90/21
    Keywords: Earthquake resistant structures; Elevated highways; Moments; Loma Prieta Earthquake; Test facilities; California; Reinforcement (Structures); Earthquake damage; Dynamic tests; Highway design; Earthquake engineering; Highway improvements; Stiffness; Seismic effects; Rehabilitation; Loads (Forces); Cypress Street Viaduct; Structural analysis

  • Grigorian, C. E.; Yang, T. S.; Popov, E. P.
    Slotted Bolted Connection Energy Dissipators.
    National Science Foundation, Washington, DC., July 1992, 36 p.
    Identifying Number(s): UCB/EERC-92/10
    Keywords: ; Earthquake resistant structures; Friction; Framed structures; Buildings; Earthquake engineering; Energy dissipation; Cyclic loads; Displacement; Bolted joints; Vibration isolators; Loads (Forces)

  • Reinhorn, A. M.; Soong, T. T.; Lin, R. C.; Riley, M. A.; Wang, Y. P.
    Active Bracing System: A Full Scale Implementation of Active Control.
    National Science Foundation, Washington, DC., August 14, 1992, 113 p.
    Identifying Number(s): NCEER-92-0020
    Keywords: ; Earthquake resistant structures; Braces; Structural vibration; Earthquake resistance; Specifications; Algorithms; Mathematical models; Bracing; Actuators; Dynamic response; Buildings; Earthquake engineering; Active control; Servomechanisms; Loads (Forces); Seismic effects; Earthquakes

  • Feng, M. Q.; Shinozuka, M.; Fujii, S.
    Experimental and Analytical Study of a Hybrid Isolation System Using Friction Controllable Sliding Bearings.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., May 15, 1992, 101 p.
    Identifying Number(s): NCEER-92-0009
    Keywords: Earthquake resistant structures; Sliding friction; Friction controllable sliding bearings; Structural vibration; Bearing capacity; Algorithms; Mathematical models; Controllers; Control theory; Dynamic response; Buildings; Earthquake engineering; Vibration damping; Vibration isolators; Signal processing; Hybrid isolation system; Friction factor

  • Saiidi, M.; Maragakis, E.; Feng, S.
    Evaluation of the Current CALTRANS Seismic Restrainer Design Method.
    California State Dept. of Transportation, Sacramento.; National Science Foundation, Washington, DC.; Nevada Dept. of Transportation, Carson City., October 1992, 72 p.
    Identifying Number(s): CCEER-92-8
    Keywords: Earthquake resistant structures; Hinges; Computer programs; Restrainers; Dynamic response; Earthquake engineering; Design standards; Highway bridges; Displacement; Stress analysis; Bridge design; Stiffness; Bearings; Nonlinear systems; Seismic effects; Earthquakes; Dynamic structural analysis

  • Ettouney, M. M.; Daddazio, R. P.
    Nonlinear Seismic Analysis of Reinforced Concrete Buildings. Phase 1.
    National Science Foundation, Washington, DC. Small Business Innovation Research Programs., September 30, 1989, 42 p.
    Keywords: ; Earthquake resistant structures; Reinforced concrete; Structural vibration; Deformation; Mathematical models; Dynamic response; Buildings; Plastic properties; Earthquake engineering; Computer programs; Nonlinear systems; Seismic effects; Structural members; Earthquakes; Dynamic structural analysis

  • Gavin, H.; Yuan, S.; Grossman, J.; Pekelis, E.; Jacob, K.
    Low-Level Dynamic Characteristics of Four Tall Flat-Plate Buildings in New York City.
    National Center for Earthquake Engineering Research, Buffalo, NY.; New York State Science and Technology Foundation, Albany.; National Science Foundation, Washington, DC., December 28, 1992, 145 p.
    Keywords: Seismic design; Skyscrapers; Earthquake resistant structures; Flat plate models; Computerized simulation; New York City (New York); Earthquake engineering; Vibration damping; Power spectra; Commercial buildings; Dynamic structural analysis

  • Yang, J. N.; Li, Z.; Vongchavalitkul, S.
    Generalization of Optimal Control Theory: Linear and Nonlinear Structures.
    National Center for Earthquake Engineering Research, Buffalo, NY.; New York State Science and Technology Foundation, Albany.; National Science Foundation, Washington, DC., November 2, 1992, 89 p.
    Keywords: ; Earthquake resistant structures; Structural vibration; Mathematical models; Control theory; Dynamic response; Earthquake engineering; Optimization; Vibration damping; Vibration isolators; Nonlinear systems; Linear systems

  • Choudhuri, D.; Mander, J. B.; Reinhorn, A. M.
    Evaluation of Seismic Retrofit of Reinforced Concrete Frame Structures: Part 1. Experimental Performance of Retrofitted Subassemblages.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., December 8, 1992, 132 p.
    Identifying Number(s): NCEER-92-0030
    Keywords: ; Earthquake resistant structures; Reinforced concrete; Seismic waves; Framed structures; Structural design; Dynamic response; Ground motion; Concrete structures; Earthquake engineering; Elastic analysis; Loads (Forces); Seismic effects; Dynamic structural analysis

  • Bracci, J. M.; Reinhorn, A. M.; Mander, J. B.
    Evaluation of Seismic Retrofit of Reinforced Concrete Frame Structures: Part 2. Experimental Performance and Analytical Study of a Retrofitted Structural Model.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., December 8, 1992, 197 p.
    Identifying Number(s): NCEER-92-0031
    Keywords: ; Earthquake resistant structures; Reinforced concrete; Framed structures; Seismic waves; Structural design; Dynamic response; Ground motion; Concrete structures; Earthquake engineering; Elastic analysis; Loads (Forces); Seismic effects; Dynamic structural analysis