NEHRP Clearinghouse

displaying 491 - 500 results in total 554

  • Dyke, S. J.; Spencer, B. F.; Quast, P.; Sain, M. K.; Kaspari, D. C.; Soong, T. T.
    Experimental Verification of Acceleration Feedback Control Strategies for an Active Tendon System.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., August 29, 1994, 106 p.
    Identifying Number(s): NCEER-94-0024
    Keywords: Structural engineering; Earthquake resistant structures; Feedback control; Computerized simulation; Controllers; Dynamic response; Earthquake engineering; Control systems design; Active tendon systems; Transfer functions; Stochastic processes; Structural analysis

  • Pekcan, G.; Mander, J. B.; Chen, S. S.
    Experimental and Analytical Study of Low-Cycle Fatigue Behavior of Semi-Rigid Top-And-Seat Angle Connections.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., January 5, 1995, 129 p.
    Identifying Number(s): NCEER-95-0002
    Keywords: ; Structural engineering; Earthquake resistant structures; Steel structures; Structural failure; Fatigue life; Construction materials; Dynamic response; Earthquake engineering; Fatigue (Materials); Connectors; Cyclic loads; Loads (Forces); Structural analysis

  • Gavin, H. P.; Hanson, R. D.
    Electrorheological Dampers for Structural Vibration Suppression.
    National Science Foundation, Arlington, VA., August 14, 1995, 210 p.
    Identifying Number(s): UMCEE-94-35
    Keywords: Rheology; Earthquake resistant structures; Structural vibration; Mathematical models; Viscous damping; Dynamic response; Actuators; Earthquake engineering; Electrorheological materials; Poiseuille flow; Vibration damping; Stress analysis; Vibration isolators; Ducted flow; Viscoelasticity

  • Singhal, A.; Kiremidjian, A. S.
    Method for Developing Motion Damage Relationships for Reinforced Concrete Frames, May 1995.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., May 11, 1995, 124 p.
    Keywords: ; Earthquake resistant structures; Reinforced concrete; Structural failure; Matrices (Mathematics); Mathematical models; Earthquake damage; Dynamic response; Ground motion; Concrete structures; Earthquake engineering; Structural components

  • Kelly, J. M.
    Final Report on the International Workshop on the Use of Rubber-Based Bearings for the Earthquake Protection of Buildings. Held in Shantou City, P.R. China on May 17-19, 1994.
    National Science Foundation, Arlington, VA., May 1995, 132 p.
    Identifying Number(s): UCB/EERC-95/05
    Keywords: ; Earthquake resistant structures; Damage prevention; Damping; Dynamic response; Buildings; Earthquake engineering; Meetings; Vibration isolators; Bearings; Seismic isolation; Rubber; Structural analysis

  • Teran-Gilmore, A.; Bertero, V. V.; Youssef, N.
    Seismic Rehabilitation of Framed Buildings Infilled with Unreinforced Masonry Walls Using Post-Tensioned Steel Braces.
    National Science Foundation, Arlington, VA., June 1995, 283 p.
    Identifying Number(s): UCB/EERC-95/06
    Keywords: Reinforced concrete; Steel structures; Columns (Supports); Vibration damping; Masonry; URM (Unreinforced Masonry); Structural vibration; Beams (Structural); Retrofitting; Bracing; Reinforcing steels; Buildings; Stiffness; EQGM (Earthquake Ground Motion); Earthquake resistance; Dynamic response; Earthquake engineering; Frame structures; Mechanical properties; Dynamic structural analysis

  • Yang, T. S.; Popov, E. P.
    Behavior of Pre-Northridge Moment Resisting Steel Connections.
    National Science Foundation, Arlington, VA.; American Inst. of Steel Construction, Chicago, IL., August 1995, 74 p.
    Identifying Number(s): UCB/EERC-95/08
    Keywords: Stress distribution; Stress intensity factors; Seismic design; Moments; Steel structures; Stress analysis; Structural members; Stress-strain relationships; Strain (Mechanics); Failure (Mechanics); Structural vibration; Cracking (Fracturing); Construction joints; Dynamic response; Finite element analysis; Earthquake engineering; Northridge earthquake; Mechanical properties; Dynamic structural analysis

  • Tan, H.; Chopra, A. K.
    Earthquake Analysis and Response of Concrete Arch Dams, July 1995.
    National Science Foundation, Arlington, VA., July 1995, 188 p.
    Identifying Number(s): UCB/EERC-95/07
    Keywords: Seismic design; Seismic waves; Soil-structure interactions; Dam-water interactions; Damping; Impounded waters; Dam-foundation rock interactions; Arch dams; Rock-fluid interactions; Southwestern Region (Colorado); Concrete dams; Structural vibration; Morrow Point Dam; Dam design; Seismic effects; Dam foundations; Dynamic response; Ground motion; Frequency response; Earthquake engineering; Frequency domain; Dynamic structural analysis

  • Agrawal, A. K.; Yang, J. N.
    Optimal Polynomial Control of Linear and Nonlinear Structures.
    National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., December 11, 1995, 106 p.
    Identifying Number(s): NCEER-95-0019
    Keywords: ; Seismic waves; Seismic isolation; Polynomials; Dynamic response; Buildings; Earthquake engineering; Active control; Structural dynamics; Hysteresis; Linear systems; Structural response; Nonlinear systems; Optimal control; Control systems; Vibration isolators

  • Pantelides, C. P.; Tzan, S. R.
    Synthesis of Passive and Active Bracing in Active Structures.
    National Science Foundation, Arlington, VA., July 8, 1996, 316 p.
    Identifying Number(s): UR-UUCE-96-01
    Keywords: Seismic design; Northridge (California); Damping; Bracing; Mathematical models; Dynamic response; Buildings; Earthquake engineering