NEHRP Clearinghouse

displaying 411 - 420 results in total 720

  • Huckelbridge, A. A.; Ferencz, R. M.; Shein, S. L.
    Reduction of Overturning Potential of Seismically Excited Structures.
    National Science Foundation, Washington, DC., May 1981, 187 p.
    Keywords: Dynamic response; DRAINSUB-2D computer program; Ground motion; Computer programming; Skyscrapers; Earthquake resistant structures; User needs; Foundations; Computer applications; Earthuake engineering; Computerized simulation; Dynamic structural analysis

  • Ghafory-Ashtiany, M.; Singh, M. P.
    Seismic Response of Structural System with Randon Parameters.
    National Science Foundation, Washington, DC. Office of Planning and Resources Management., September 1981, 108 p.
    Keywords: Dynamic response; Buildings; Earthquake engineering; Earthquake resistant structures; Random vibration; Random variables; Dynamic structural analysis

  • Basharkhah, M. A.; Yao, J. T. P.
    Effects of Gain and Delay-Time of Control Devices to Structural Safety.
    National Science Foundation, Washington, DC., January 1982, 51 p.
    Identifying Number(s): CE-STR-82-5
    Keywords: Buildings; Earthquake resistant structures; Feedforward control; Earthquakes; Structural design; Feedback control; Vibration damping; Bridges (Structures); Controller characteristics

  • Balling, R. J.; Pister, K. S.; Polak, E.
    DELIGHT.STRUCT: A Computer Aided Design Environment for Structural Engineering.
    National Science Foundation, Washington, DC., December 1981, 135 p.
    Identifying Number(s): UCB/EERC-81/19
    Keywords: ANSR computer program; Computer programming; User needs; Earthquake engineering; Earthquake resistant structures; Seismic design; Structural design; Rattle programming language; Computer graphics; Optimization; Fortran; Algorithms; Computer aided design; DELIGHT . STRUCT computer program

  • Balling, R. J.; Ciampi, V.; Pister, K. S.; Polak, E.
    Optimal Design of Seismic-Resistant Planar Steel Frames.
    National Science Foundation, Washington, DC., December 1981, 127 p.
    Identifying Number(s): UCB/EERC-81/20
    Keywords: Ground motion; User needs; Earthquake engineering; Earthquake resistant structures; Seismic design; Structural design; Soil structure interactions; Mathematical programming; Computer graphics; Design criteria; RATTLE computer program; Mathematical models; Computer aided design

  • O'Rourke, M. J.; Serna, R.; Johnson, R. U.
    Duration of Earthquakes, Comparison between Ground Motion and Structural Motion.
    National Science Foundation, Washington, DC., May 1982, 72 p.
    Identifying Number(s): CE-82-3
    Keywords: Dynamic response; Ground motion; Damping; Earthquake engineering; Earthquake resistant structures; San Fernando (California); Soil structure interactions; Earth movements; California; Resonant frequency; Sendi (Japan); Japan; Seismic waves

  • Natural Hazards Observer, Volume 6, Number 5, May 1982.
    National Science Foundation, Washington, DC., May 1982, 14 p.
    Keywords: Floods; Hazards; Dams; Earthquake resistant structures; Information centers; Disaster preparedness; Earthquakes; Emergency planning; Management; Recovery; Japan; Hurricanes; Insurance; Warning systems; Volcanoes; Newsletters; Disaster relief; Disasters

  • Popov, E. P.; Takanashi, K.; Roeder, C. W.
    Structural Steel Bracing Systems: Behavior Under Cyclic Loading.
    National Science Foundation, Washington, D.C., June 1976, 82 p.
    Identifying Number(s): EERC-76-17
    Keywords: Earthquake engineering; Earthquake resistant structures; Structural design; Structural engineering; Steel construction; Structural analysis; Framed structures; Cyclic loads; Structual steels; Bracing

  • de Neufville, R.
    How Do We Evaluate and Choose Between Alternative Codes for Design and Performance.
    National Science Foundation, Washington, D.C. Research Applied to National Needs., February 1975, 38 p.
    Identifying Number(s): MIT-CE-R75-3
    Keywords: Ground motion; Buildings; Building codes; Earthquake engineering; Earthquake resistant structures; Risk; Probability density functions; Seismic design; Seismic design decision analysis; Earthquakes; Safety factor; Benefit cost analysis; Seismic risk

  • Munroe, T.; Blair, C.
    Economic Impact in Seismic Design Decision Analysis: A Preliminary Investigation.
    National Science Foundation, Washington, D.C. Research Applied to National Needs., June 1975, 100 p.
    Identifying Number(s): MIT-CE-R75-25
    Keywords: Economic impact; Ground motion; Buildings; Damage assessment; Earthquake engineering; Boston (Massachusetts); San Francisco (California); Earthquake resistant structures; Seismic design; Seismic design decision analysis; Earthquakes; Decision making; Puget Sound; Benefit cost analysis; Seismic risk