NEHRP Clearinghouse

displaying 971 - 980 results in total 2187

  • Moore, G. B.; Yin, R. K.
    Innovations in Earthquake and Natural Hazards Research: Three Additional Examples.
    National Science Foundation, Washington, DC., April 1985, 61 p.
    Keywords: Mapping; Hazards; Risk; Earthquakes; Flood damage; Disasters

  • Hu, Y.
    Input Identification from Structural Vibrational Response.
    National Science Foundation, Washington, DC., August 1980, 90 p.
    Identifying Number(s): UCB/EERC-80/26
    Keywords: Dynamic response; Rigid frames; Earthquake engineering; Mechanical hysteresis; Earthquakes; Frequency response; Structures; Mathematical models; Dynamic structural analysis

  • Installing Seismic Restraints for Duct and Pipe.
    January 2004, 91 p.
    Identifying Number(s): FEMA-414
    Keywords: Electrical equipment; Buildings; Earthquake engineering; Seismic design; Restraints; Pipes; Ducts; Fasteners; Structural analysis; Seismic restraint devices; Anchors; Configurations

  • Installing Seismic Restraints for Electrical Equipment.
    January 2004, 93 p.
    Identifying Number(s): FEMA-413
    Keywords: ; Damage; Electrical equipment; Buildings; Earthquake engineering; Building codes; Seismic design; Restraints; Safety; Anchors

  • Installing Seismic Restraints for Mechanical Equipment.
    Federal Emergency Management Agency, Washington, DC., December 2002, 84 p.
    Identifying Number(s): FEMA-412
    Keywords: Damage; Building codes; Mechanical equipment; Earthquake engineering; Installation; Restraints; Seismic effects; Fasteners; Seismic restraint devices; Anchors; Configurations

  • Yang, J. N.; Akbarpour, A.; Ghaemmaghami, P.
    Instantaneous Optimal Control Laws for Tall Buildings Under Seismic Excitations.
    National Science Foundation, Washington, DC., June 10, 1987, 108 p.
    Identifying Number(s): NCEER-87-0007
    Keywords: ; Optimal control; Buildings; Earthquake engineering; Open loop systems; Seismic design; Algorithms

  • 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: ; Dynamic response; Vibration isolators; Earthquake engineering; Matrices (Mathematics); Controllers; Lyapunov functions; Vibration damping; Mathematical models; Algorithms; Nonlinear systems; Seismic waves

  • Yang, J. N.; Li, Z.
    Instantaneous Optimal Control with Acceleration and Velocity Feedback.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., June 29, 1990, 56 p.
    Keywords: Dynamic response; Earthquake resistance; Dynamic structural analysis; Velocity measurement; Floors; Earthquake engineering; Earthquake resistant structures; Acceleration (Physics); Structural vibration; Stochastic processes; Feedback control; Numerical analysis; Vibration damping; Earth movements; Active control; Displacement; Mathematical models; Control equipment; Seismic waves

  • Yegian, M. K.; Marciano, E. A.; Ghahraman, V. G.
    Integrated Seismic Risk Analysis for Earth Dams.
    National Science Foundation, Washington, DC., December 1988, 147 p.
    Identifying Number(s): CE-88-15
    Keywords: Damage; Computer programs; Earthquake engineering; Risk analysis; Seismic design; Earth dams; Uncertainty; Probability theory; Soil dynamics; Seismic risk

  • Britz, K. I.; Libby, L.; Hadinata, D.
    Integration of Seismic Design Principles into Preliminary Architectural Design.
    National Science Foundation, Washington, DC., June 1981, 87 p.
    Keywords: Dynamic structural analysis; Building codes; Attitude surveys; Earthquake resistant structures; Earthquake engineering; Seismic design; Structural design; Eastern Region (United States); Design criteria; Design standards; Architects; Seismic risk