NEHRP Clearinghouse
displaying 41 - 50 results in total 68
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: ; Disturbances; Consolidation; Plasticity; Mudstone; Clay soils; Damping; Offshore drilling; Void ratio; Graphs (Charts); Dynamic response; Cohesive soils; Shear strain; Stresses; Stabilized platforms; Loads (Forces); Soil mechanics; EarthquakesKelly, J. M.
Base Isolation in Japan, 1988.
National Science Foundation, Washington, DC., December 1988, 100 p.
Identifying Number(s): UCB/EERC-88/20
Keywords: ; Shock absorbers; Earthquake resistant structures; Seismic waves; Structural vibration; Damping; Buildings; Earthquake engineering; Vibration damping; Vibration isolators; Japan; EarthquakesLiang, 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: ; Earthquake resistant structures; Structural vibration; Seismic waves; Matrices (Mathematics); Mathematical models; Damping; Dynamic response; Earthquake engineering; Vibration damping; Dissipation; Dynamic structural analysisChang, T. S.; Teh, L. K.; Zhang, Y.
Seismic Characteristics of Sediments in the New Madrid Seismic Zone.
National Science Foundation, Washington, DC., February 1992, 157 p.
Keywords: Mississippi; Strains; New Madrid Seismic Zone; Test facilities; Tennessee; Arkansas; Damping; Shear properties; Dynamic response; Earthquake engineering; Soil pressure; Soil properties; Sands; Seismic effects; Soil mechanics; Sediments; Soil testsKariotis, 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: Equations of motion; Displacement; Loads (Forces); Damping; Nonlinear systems; Masonry; Concrete; Matrices (Mathematics); Algorithms; LPM/II computer program; Stiffness; Beams (Supports); Walls; Dynamic response; Degrees of freedom; Earthquake engineering; Boundary conditions; Computer programs; Reinforcement (Structures); Mechanical properties; Dynamic structural analysisWaqfi, 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: ; Deformation; Earth movements; Displacement; Loads (Forces); Structural members; Damping; Mathematical models; Nonlinear systems; Masonry; Structural vibration; Mechanical hysteresis; Stiffness; Beams (Supports); Walls; Dynamic response; Degrees of freedom; Earthquake engineering; Energy dissipation; Reinforcement (Structures); Mechanical propertiesKariotis, J. C.; Waqfi, O. M.
Trial Designs Made in Accordance with Tentative Limit States Design Standards for Reinforced Masonry Buildings.
National Science Foundation, Washington, DC., February 1992, 242 p.
Identifying Number(s): REPT-9.1-2
Keywords: ; Deformation; Moments; Earth movements; Displacement; Loads (Forces); Structural members; Mathematical models; Damping; Masonry; Structural design; Earthquake damage; Buildings; Stiffness; Seismic effects; Walls; Design standards; Earthquake engineering; Reinforcement (Structures); Mechanical propertiesKariotis, 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: ; Algorithms; Mathematical models; Damping; Earth movements; Earthquake damage; Dynamic response; Buildings; Degrees of freedom; Uplift pressure; Earthquake engineering; Displacement; Foundations; Loads (Forces); Soil mechanics; Dynamic structural analysisShustov, V.
Base Isolation: Fresh Insight.
National Science Foundation, Washington, DC., June 15, 1993, 48 p.
Keywords: Seismic design; Earthquake resistant structures; Seismic waves; Damping; Absorption; Mathematical models; Foundations; Mechanical vibrations; Soil-structure interactions; Base isolation; Isolators; Displacement; Seismic isolationChang, K. C.; Lai, M. L.; Soong, T. T.; Hao, D. S.; Yeh, Y. C.
Seismic Behavior and Design Guidelines for Steel Frame Structures with Added Viscoelastic Dampers.
National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., May 1, 1993, 138 p.
Identifying Number(s): NCEER-93-0009
Keywords: ; Seismic design; Steel structures; Damping; Buildings; Earthquake engineering; Tests; Viscoelasticity