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; Flood damage; Disasters; Risk; Hazards; Earthquakes

  • 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: Structures; Mechanical hysteresis; Mathematical models; Rigid frames; Dynamic response; Frequency response; Earthquake engineering; Earthquakes; Dynamic structural analysis

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

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

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

  • 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: ; Seismic design; Algorithms; Buildings; Earthquake engineering; Optimal control; Open loop systems

  • 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

  • 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: Numerical analysis; Seismic waves; Feedback control; Earth movements; Displacement; Mathematical models; Vibration damping; Stochastic processes; Earthquake resistant structures; Structural vibration; Active control; Acceleration (Physics); Floors; Control equipment; Earthquake resistance; Dynamic response; Earthquake engineering; Velocity measurement; Dynamic structural analysis

  • 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: Probability theory; Seismic design; Damage; Risk analysis; Seismic risk; Earthquake engineering; Soil dynamics; Earth dams; Computer programs; Uncertainty

  • 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: Seismic design; Earthquake resistant structures; Architects; Seismic risk; Structural design; Design standards; Earthquake engineering; Eastern Region (United States); Building codes; Attitude surveys; Design criteria; Dynamic structural analysis