NEHRP Clearinghouse

displaying 421 - 430 results in total 554

  • ['Yang, J. N.', 'Li, Z.', 'Danielians, A.']
    Hybrid Control of Seismic-Excited Nonlinear and Inelastic Structural Systems.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., August 1, 1991, 123 p.
    Keywords: ; Numerical analysis; Earthquake resistant structures; Rigid structures; Structural vibration; Feedback control; Seismic waves; Algorithms; Mathematical models; Earth movements; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators; Bearings; Nonlinear systems; Dynamic structural analysis

  • ['Yang, J. N.', 'Li, Z.']
    Instantaneous Optimal Control for Linear, Nonlinear and Hysteretic Structures - Stable Controllers.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., November 15, 1991, 57 p.
    Keywords: ; Seismic waves; Matrices (Mathematics); Algorithms; Controllers; Mathematical models; Lyapunov functions; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators; Nonlinear systems

  • ['Fan, K.', 'Gazetas, G.']
    Seismic Response of Single Piles and Pile Groups.
    National Science Foundation, Washington, DC.; National Center for Earthquake Engineering Research, Buffalo, NY., January 10, 1991, 56 p.
    Keywords: ; Earthquake resistant structures; Structural vibration; Seismic waves; Dynamic response; Earthquake engineering; Pile foundations; Loads (Forces); Seismic effects; Soil mechanics; Mechanical properties; Dynamic structural analysis

  • ['Ghanem, R. G.', 'Gavin, H.', 'Shinozuka, M.']
    Experimental Verification of a Number of Structural System Identification Algorithms.
    National Science Foundation, Washington, DC., September 18, 1991, 423 p.
    Identifying Number(s): NCEER-91-0024
    Keywords: ; Kalman filters; Structural vibration; Seismic waves; Algorithms; Least squares method; Mathematical models; Verification; Dynamic response; Earthquake engineering; Earthquakes; Dynamic structural analysis

  • ['Straw, D. L.', 'Saiidi, M.', "O'Connor, D. N."]
    Scale Model Testing of One-Way Reinforced Concrete Pier Hinges Subjected to Combined Axial Force, Shear and Flexure.
    National Science Foundation, Washington, DC., March 1992, 47 p.
    Identifying Number(s): CCEER-92-1
    Keywords: ; Reinforced concrete; Deformation; Hinges; Structural vibration; Seismic waves; Reinforcing steels; Model tests; Dynamic response; Earthquake damage; Earthquake engineering; Shear properties; Bridge piers; Displacement; Cyclic loads; Computer programs; Loads (Forces); Structural members

  • ['Kelly, J. M.', 'Chalhoub, M. S.']
    Earthquake Simulator Testing of a Combined Sliding Bearing and Rubber Bearing Isolation System.
    National Science Foundation, Washington, DC., December 1990, 186 p.
    Identifying Number(s): UCB/EERC-87/04
    Keywords: ; Dynamic loads; Seismic waves; Steel structures; Shear stress; Displacement; Hysteresis; Bearings; Rubber; Vibration damping; Vibration isolators; Earthquake resistant structures; Structural vibration; Tetrafluoroethylene resins; Sliding; Simulators; Earthquake resistance; Model tests; Dynamic response; Earthquake engineering

  • ['Aiken, I. D.', 'Kelly, J. M.']
    Earthquake Simulator Testing and Analytical Studies of Two Energy-Absorbing Systems for Multistory Structures.
    National Science Foundation, Washington, DC.; Sumitomo Metal Industries Ltd., Osaka (Japan)., October 1990, 294 p.
    Identifying Number(s): UCB/EERC-90/03
    Keywords: ; Energy absorption; Earthquake resistant structures; Structural vibration; Steel structures; Test facilities; Mathematical models; Model tests; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators

  • ['Sedarat, H.', 'Bertero, V. V.']
    Effects of Torsion on the Linear and Nonlinear Seismic Response of Structures.
    National Science Foundation, Washington, DC., September 1990, 344 p.
    Identifying Number(s): UCB/EERC-90/12
    Keywords: Reinforced concrete; Structural vibration; Torsion; Seismic waves; Mathematical models; Earth movements; Shear properties; Dynamic response; Dynamic structural analysis; Earthquake engineering; Concrete structures; Bending moments; FACTS computer program; Linear systems; Structural members; Building codes

  • ['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: ; Earthquake resistant structures; Structural vibration; Seismic waves; Matrices (Mathematics); Mathematical models; Damping; Dynamic response; Earthquake engineering; Vibration damping; Dissipation; Dynamic structural analysis

  • ['Downs, R. E.', 'Hjelmstad, K. D.', 'Foutch, D. A.']
    Evaluation of Two RC Buildings Retrofit with Steel Bracing.
    National Science Foundation, Washington, DC., November 1991, 355 p.
    Identifying Number(s): ['UILU-ENG-91-2011', 'STRUCTURAL RESEARCH SER-563']
    Keywords: ; Finite element method; Reinforcing materials; Earthquake resistant structures; Reinforced concrete; Structural vibration; Retrofitting; Mexico; Reinforcing steels; Earthquake damage; Dynamic response; Buildings; Earthquake engineering; Concrete structures; Soil-structure interactions; Computer programs; Reinforcement (Structures); Structural analysis