NEHRP Clearinghouse

displaying 21 - 30 results in total 68

  • Shustov, V.
    Base Isolation: Fresh Insight.
    National Science Foundation, Washington, DC., June 15, 1993, 48 p.
    Keywords: Damping; Absorption; Earthquake resistant structures; Base isolation; Seismic design; Foundations; Soil-structure interactions; Displacement; Mathematical models; Isolators; Mechanical vibrations; Seismic isolation; Seismic waves

  • Pong, W. S.; Tsai, C. S.; Lee, G. C.
    Seismic Study of Building Frames with Added Energy-Absorbing Devices.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., June 20, 1994, 224 p.
    Keywords: ; Damping; Buildings; Skyscrapers; Earthquake engineering; Seismic design; Finite element analysis; Mathematical models; Framed structures; Wind loads

  • Lin, R. C.; Liang, Z.; Soong, T. T.; Zhang, R. H.
    Experimental Study of Seismic Structural Response with Added Viscoelastic Dampers.
    National Science Foundation, Washington, DC., June 30, 1988, 78 p.
    Identifying Number(s): NCEER-88-0018
    Keywords: ; Dynamic response; Damping; Ground motion; Earthquake resistant structures; Loads (Forces); Viscoelasticity; Graphs (Charts); Vibration; Mechanical properties; Seismic effects; Dynamic structural analysis

  • Whitman, R. V.; Roesset, J. M.; Dobry, R.; Ayestaran, L.
    Accuracy of Modal Superposition for One-Dimensional Soil Amplification Analysis.
    National Science Foundation, Washington, DC. Applied Science and Research Applications., October 1972, 19 p.
    Identifying Number(s): STRUCTURES PUB-352
    Keywords: Ground motion; Damping; Earthquake engineering; Soil profiles; Earthquakes; Soil dynamics; Soil properties; Earth movements

  • Weissman, K.; Prevost, J. H.
    Centrifugal Modeling of Dynamic Soil-Structure Interaction.
    National Science Foundation, Washington, DC., May 10, 1989, 152 p.
    Identifying Number(s): NCEER-89-0040
    Keywords: Centrifuges; Damping; Earthquake engineering; Soil-structure interactions; Simulation; Seismic effects; System identification; Model tests; Two degrees of freedom

  • Tong, M.; Liang, Z.; Lee, G. C.
    Physical Space Solutions of Non-Proportionally Damped Systems.
    National Science Foundation, Washington, DC., January 15, 1991, 68 p.
    Identifying Number(s): NCEER-91-0002
    Keywords: ; Seismic waves; Damping; Dynamic response; Energy dissipation; Earthquake engineering; Structural vibration; Numerical analysis; Vibration damping; Mathematical models; Algorithms; Dynamic structural analysis

  • Earthquake Engineering Research at Berkeley, 1988.
    National Science Foundation, Washington, DC., November 1988, 203 p.
    Identifying Number(s): UCB/EERC-88/17
    Keywords: Dynamic response; Seismic waves; Damping; Hazards; Friction; Earthquake resistant structures; Buildings; Meetings; Damage; Earthquakes; Elastic properties; Pitch; Gravity dams; Structural steels; Soil structure; Seiders; Interactions; Design criteria; Hi-rise buildings; Mathematical models; Ductility

  • Sun, J. I.; Golesorkhi, R.; Seed, H. B.
    Dynamic Moduli and Damping Ratios for Cohesive Soils.
    National Science Foundation, Washington, DC., August 1988, 56 p.
    Identifying Number(s): UCB/EERC-88/15
    Keywords: ; Dynamic response; Damping; Clay soils; Mudstone; Offshore drilling; Loads (Forces); Graphs (Charts); Earthquakes; Stabilized platforms; Consolidation; Cohesive soils; Void ratio; Shear strain; Soil mechanics; Plasticity; Stresses; Disturbances

  • Liang, Z.; Lee, G. C.
    Damping of Structures: Part 1. Theory of Complex Damping.
    National Science Foundation, Washington, DC., October 10, 1991, 259 p.
    Identifying Number(s): NCEER-91-0004
    Keywords: ; Dynamic response; Seismic waves; Damping; Dissipation; Earthquake resistant structures; Earthquake engineering; Structural vibration; Matrices (Mathematics); Vibration damping; Mathematical models; Dynamic structural analysis

  • Waqfi, O. M.; Kariotis, J. C.
    Comparison of the Dynamic Response of a Damped MDOF Nonlinear Beam Model with an Equivalent SDOF Hysteretic Model.
    National Science Foundation, Washington, DC., April 27, 1992, 92 p.
    Identifying Number(s): REPT-2.3-6
    Keywords: ; Dynamic response; Damping; Earthquake engineering; Beams (Supports); Mechanical hysteresis; Masonry; Loads (Forces); Reinforcement (Structures); Structural vibration; Mechanical properties; Walls; Stiffness; Structural members; Earth movements; Degrees of freedom; Displacement; Mathematical models; Deformation; Nonlinear systems; Energy dissipation