NEHRP Clearinghouse

displaying 481 - 490 results in total 554

  • Singh, R. K.; Smith, H. A.
    Vibration Analysis of Skeletal Systems Using a Mixed Formulation with an Arnoldi-Based Nonlinear Eigensolution Technique.
    National Science Foundation, Washington, DC., December 1993, 192 p.
    Keywords: ; Finite element method; Vibration mode; Structural vibration; Eigenvalues; Algorithms; Matrices (Mathematics); Dynamic response; Degrees of freedom; Earthquake engineering; Vibration damping; Resonant frequency; Nonlinear systems; Structural analysis

  • Reinhorn, A. M.; Nagarajaiah, S.; Constantinou, M. C.; Tsopelas, P.; Li, R.
    3D-BASIS-TABS: Version 2.0 Computer Program for Nonlinear Dynamic Analysis of Three Dimensional Base Isolated Structures.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., June 22, 1994, 170 p.
    Keywords: 3D-BASIS-TABS computer program; Earthquake resistant structures; Structural vibration; Dynamic response; Buildings; Earthquake engineering; Vibration damping; Stiffness; Computer programs; Vibration isolators; Bearings; Dynamic structural analysis

  • Lutz, K. A.; Kiremidjian, A. S.
    Generalized Semi-Markov Process for Modeling Spatially and Temporally Dependent Earthquakes.
    National Science Foundation, Arlington, VA.; Electric Power Research Inst., Palo Alto, CA., cJuly 1993, 102 p.
    Keywords: Seismic hazards; Tectonics; Forecasting; Mathematical models; Earth movements; Site characterization; Dynamic response; Earthquake engineering; Faults (Geology); Structural geology; Earthquakes; Markov processes

  • Krawinkler, H.; Zhu, B.
    U.S./P.R.C. Workshop on Experimental Methods in Earthquake Engineering. Proceedings of a Workshop. Held in Shanghai, P.R.C. on November 10-12, 1992.
    National Science Foundation, Arlington, VA.; Tongji Univ., Shanghai (China)., July 1993, 249 p.
    Keywords: ; Deformation; Reinforced concrete; Test facilities; Construction materials; Pile structures; Displacement; International cooperation; Cyclic loads; Earthquake resistant structures; Structural vibration; Meetings; Structural analysis; China; Model tests; Dynamic response; United States; Earthquake engineering; Dynamic models

  • Rahnama, M.; Krawinkler, H.
    Effects of Soft Soil and Hysteresis Model on Seismic Demands.
    National Science Foundation, Arlington, VA.; Kajima Corp., Tokyo (Japan)., July 1993, 249 p.
    Keywords: ; Earthquake resistant structures; Mathematical models; Structural design; Dynamic response; Strain hardening; Earthquake engineering; Ground motion; Hysteresis; Displacement; Soil structure interactions; Stiffness; Nonlinear systems; Ductility; Soil mechanics; Structural analysis

  • Tsopelas, P.; Constantinou, M. C.
    NCEER-Taisei Corporation Research Program on Sliding Seismic Isolation Systems for Bridges: Experimental and Analytical Study of a System Consisting of Lubricated PTFE Sliding Bearings and Mild Steel Dampers.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., July 22, 1994, 160 p.
    Identifying Number(s): NCEER-94-0022
    Keywords: ; Bridges (Structures); Seismic design; Earthquake resistant structures; Structural vibration; Model tests; Dynamic response; Earthquake engineering; Vibration damping; Hysteresis; Displacement; Bridge design; Vibration isolators; Bearings; Structural analysis

  • Spacone, E.; Ciampi, V.; Filippou, F. C.
    Beam Element for Seismic Damage Analysis.
    National Science Foundation, Arlington, VA., August 1992, 134 p.
    Identifying Number(s): UCB/EERC-92/07
    Keywords: ; Structural engineering; Finite element method; Deformation; Structural vibration; Beams (Structural); Numerical integration; Earthquake damage; Dynamic response; Earthquake engineering; Stiffness; Structural response; Nonlinear systems; Structural components; Structural analysis

  • Filippou, F. C.; D'Ambrisi, A.; Issa, A.
    Nonlinear Static and Dynamic Analysis of Reinforced Concrete Subassemblages.
    National Science Foundation, Arlington, VA.; Istituto Superiore di Ricerca sui Materiali Speciali, Terni (Italy).; Italian Dottorato di Ricerca Meccanica delle Strutture, Bologna (Italy)., August 1992, 198 p.
    Identifying Number(s): UCB/EERC-92/08
    Keywords: ; Girders; Earthquake resistant structures; Reinforced concrete; Dynamic response; Dynamic models; Earthquake engineering; Ground motion; Stress analysis; Stiffness; Displacement; Nonlinear systems; Reinforcement (Structures); Structural components; Structural analysis

  • Monti, G.; Spacone, E.; Filippou, F. C.
    Model for Anchored Reinforcing Bars under Seismic Excitations.
    National Science Foundation, Arlington, VA., December 1993, 106 p.
    Identifying Number(s): UCB/EERC-93/08
    Keywords: ; Finite element method; Earthquake resistant structures; Reinforcing materials; Reinforced concrete; Reinforcement (Structures); Anchors (Structural); Dynamic response; Earthquake engineering; Yield strength; Displacement; Cyclic loads; Bond stress; Dynamic models; Structural analysis

  • Wadia-Fascetti, S.; Smith, H. A.
    Adaptive Dynamic Analysis Considering Structural Lifespan: An Approach Based on Fuzzy Mathematics.
    National Science Foundation, Arlington, VA.; Shimizu Corp., Tokyo (Japan). Ohsaki Research Inst., August 1994, 171 p.
    Keywords: Fuzzy sets; Degradation; Structural engineering; Structural vibration; Structural failure; Earthquake damage; Dynamic response; Earthquake engineering; Uncertainty; Stiffness; Calibration; Structural response; Adaptive dynamic analysis; Errors; Structural analysis