NEHRP Clearinghouse

displaying 11 - 14 results in total 14

  • Saiidi, M.; Douglas, B.; Feng, S.; Hwang, E.; Maragakis, E.
    Effects of Axial Force on Frequency of Prestressed Concrete Bridges.
    National Science Foundation, Washington, DC., August 1992, 52 p.
    Identifying Number(s): CCEER-92-4
    Keywords: ; Prestressed concrete; Structural vibration; Fourier transformation; Mathematical models; Dynamic response; Concrete structures; Earthquake engineering; Displacement; Deflection; Girder bridges; Loads (Forces); Resonant frequencies; Dynamic structural analysis

  • 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

  • O'Connor, D. N.; Saiidi, M.; Maragakis, E. A.
    Effect of Hinge Restrainers on the Response of the Madrone Drive Undercrossing during the Loma Prieta Earthquake.
    California State Dept. of Transportation, Sacramento.; National Science Foundation, Washington, DC.; Nevada Dept. of Transportation, Carson City., February 1993, 112 p.
    Identifying Number(s): CCEER-92-9
    Keywords: Finite element method; Moments; Loma Prieta Earthquake; Deformation; Computerized simulation; Earthquake damage; Dynamic response; Bending; Earthquake engineering; Highway bridges; Stiffness; Displacement; Reinforcement (Structures); Structural members; Earthquakes; Dynamic structural analysis

  • Saiidi, M.; Maragakis, E.; Abdel-Ghaffar, S.; Feng, S.; O'Connor, D.
    Response of Bridge Hinge Restrainers during Earthquakes: Field Performance, Analysis, and Design.
    California State Dept. of Transportation, Sacramento.; National Science Foundation, Washington, DC.; Nevada Dept. of Transportation, Carson City., May 1993, 140 p.
    Identifying Number(s): CCEER-93-6
    Keywords: Bridges; Seismic design; Research projects; California; Hinges; Computerized simulation; Retrofitting; Restrainers; Ground motion; Loma Prieta earthquake; Earthquake engineering; Lateral pressure