NEHRP Clearinghouse

displaying 1 - 10 results in total 91

  • Abdel-Ghaffar, A. M.; Housner, G. W.
    An Analysis of the Dynamic Characteristics of a Suspension Bridge by Ambient Vibration Measurements.
    National Science Foundation, Washington, D.C., January 1977, 86 p.
    Identifying Number(s): EERL-77-01
    Keywords: Vehicular traffic; Earthquake resistant structures; California; Vibration tests; Vibration; Vincent-Thomas bridge; Dynamic response; Earthquake engineering; Vibration damping; Suspension bridges; Los Angeles harbor; Dynamic structural analysis

  • Eidinger, J. M.; Kelly, J. M.
    Experimental Results of an Earthquake Isolation System Using Natural Rubber Bearings.
    National Science Foundation, Washington, D.C., February 1978, 58 p.
    Identifying Number(s): UCB/EERC-78/03
    Keywords: Shock absorbers; Earthquake resistant structures; Dynamic response; Ground motion; Earthquake engineering; Natural rubber bearings; Vibration damping; Bearings; Natural rubber

  • Taoka, G. T.
    Damping Measurements of Tall Structures.
    National Science Foundation, Washington, DC. Engineering and Applied Science., January 1980, 18 p.
    Keywords: Skyscrapers; Earthquake resistant structures; Steel structures; Spectral energy distribution; Forced vibration; Dynamic response; Earthquake engineering; Random vibration; Vibration damping

  • Basharkhah, M. A.; Yao, J. T. P.
    Effects of Gain and Delay-Time of Control Devices to Structural Safety.
    National Science Foundation, Washington, DC., January 1982, 51 p.
    Identifying Number(s): CE-STR-82-5
    Keywords: Bridges (Structures); Earthquake resistant structures; Feedback control; Controller characteristics; Structural design; Buildings; Vibration damping; Feedforward control; Earthquakes

  • Psycharis, I. N.
    Dynamic Behavior of Rocking Stuctures Allowed to Uplift.
    National Science Foundation, Washington, DC., January 1982, 238 p.
    Identifying Number(s): EERL-81-02
    Keywords: Mathematical models; Dynamic response; Buildings; Earthquake engineering; Uplift pressure; Vibration damping; Theses; Soil structure interactions; Foundations; Earthquakes; Dynamic structural analysis

  • Singh, M. P.; Ghafory-Ashtiany, M.
    Maximum Response of Nonproportionally and Proportionally Damped Structural Systems Under Multicomponent Earthquakes.
    National Science Foundation, Washington, DC., March 1983, 80 p.
    Identifying Number(s): VPI-E-83-13
    Keywords: Seismic design; Spectral density distribution; Equations of motion; Structural design; Dynamic response; Buildings; Earthquake engineering; Ground motion; Vibration damping; Excitation; Earthquakes

  • Sharma, A. M.; Singh, M. P.
    Direct Generation of Seismic Floor Response Spectra for Classically and Nonclassically Damped Structures.
    National Science Foundation, Washington, DC., November 1983, 324 p.
    Identifying Number(s): VPI-83-44
    Keywords: Linear; Nonlinear; Seismic waves; Damping; Earthquake engineering; Vibration damping; Dynamic structural analysis

  • Pekcan, G.; Mander, J. B.; Chen, S. S.
    Design and Retrofit Methodology for Building Structures with Supplemental Energy Dissipating Systems.
    National Science Foundation, Arlington, VA.; State Univ. of New York at Buffalo. Research Foundation., December 31, 1999, 198 p.
    Identifying Number(s): MCEER-99-0021
    Keywords: Earthquake resistant structures; Spectra; Viscosity; Retrofitting; Algorithms; Frequency measurement; Ground motion; Frequency response testing; Structural velocity; Energy dissipation; Vibration damping; Nonlinear systems; Design analysis; Seismicity

  • Ramirez, O. M.; Constantinou, M. C.; Kircher, C. A.; Whittaker, A. S.; Johnson, M. W.; Gomez, J. D.
    Development and Evaluation of Simplified Procedures for Analysis and Design of Buildings with Passive Energy Dissipation Systems.
    National Science Foundation, Arlington, VA.; Federal Highway Administration, Washington, DC., December 8, 2000, 516 p.
    Identifying Number(s): MCEER-00-0010
    Keywords: ; Seismic design; Mathematical models; Buildings; Earthquake engineering; Vibration damping; Soil structure interactions; Lateral pressure

  • Fenz, D. M.; Constantinou, M. C.
    Mechanical Behavior of Multi-Spherical Sliding Bearings.
    Multidisciplinary Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., March 6, 2008, 186 p.
    Identifying Number(s): MCEER-08-0007
    Keywords: Sliding bearings; Seismic design; Mechanical behavior; FP bearings; Isolation bearings; Earthquake engineering; Vibration damping; Stiffness; Surface properties; Bearings