NEHRP Clearinghouse

displaying 51 - 60 results in total 316

  • Lee, J. J.; Kim, S. T.; Ayer, R. M.; Chang, J. J.
    Distant and Local Tsunamis in Coastal Region(s).
    National Science Foundation, Washington, DC. Engineering and Applied Science., December 1980, 92 p.
    Keywords: Motion; NTISNSFRA; Tsunamis; Earthquakes; Numerical analysis; Three dimensional flow; Water waves; California; Mathematical models; Ocean bottom; Coasts; Seismic waves

  • Rowlett, H.
    Seismicity at Intersections of Spreading Centers and Transform Faults.
    August 30, 1979, 8 p.
    Identifying Number(s): LDGO-3077
    Keywords: Transform faults; Seismic waves; Spreading centers; Earthquakes; Faults (Geology); North Atlantic Ocean; Mid Atlantic Ridge; Seismicity; Reprints; Ocean bottom; Microearthquakes; Seafloor spreading; NTISDODXR

  • Liu, H. H.; Fu, K. S.
    An Application of Syntactic Pattern Recognition to Seismic Discrimination.
    August 1981, 26 p.
    Identifying Number(s): TR-EE81-25
    Keywords: ; Error analysis; Grammars; Pattern recognition; Discrimination; Nuclear explosions; Waveforms; Earthquakes; Decision making; Parsers; Distribution functions; Performance (Engineering); Syntax; Samplers; Underground explosions; Clustering; Seismic waves

  • Cohen, M.
    Silent Boundary Methods for Transient Wave Analysis.
    National Science Foundation, Washington, DC., January 1981, 216 p.
    Identifying Number(s): EERL-80-09
    Keywords: Theses; Earthquake engineering; Boundaries; Earthquakes; Soil structure interactions; Computer applications; Finite element analysis; Wave propagation; Mathematical models; Rayleigh waves; Seismic waves

  • 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

  • Vanmarcke, E. H.; Lai, S. S. P.
    Strong-Motion Duration of Earthquakes.
    National Science Foundation, Washington, D.C. Div. of Advanced Environmental Research and Technology., July 1977, 38 p.
    Identifying Number(s): R77-16
    Keywords: Acceleration (Physics); Ground motion; Buildings; Earthquake engineering; Seismic epicenter; Earthquakes; Time measurement; Earth movements; Seismic waves

  • Drenick, R. F.
    Minimax Procedures for Specifying Earthquake Motion.
    National Science Foundation, Washington, D.C. Research Applied to National Needs., December 20, 1976, 91 p.
    Keywords: Ground motion; Earthquake engineering; Earthquake resistant structures; Risk analysis; Earthquakes; Earth movements; Design criteria; Confidence limits; Predictions; Seismic waves

  • Lee, K. L.
    Seismic Permanent Deformations in Earth Dams.
    National Science Foundation, Washington, D.C. Research Applied to National Needs., December 1974, 36 p.
    Identifying Number(s): UCLA-ENG-7497
    Keywords: Ground motion; Earthquake engineering; Earth dams; Earthquakes; Finite element analysis; Earth movements; Soil mechanics; Embankments; Seismic waves

  • Brocher, T. M.; Christensen, N. I.
    Density and Velocity Relationships for Digital Sonic and Density Logs from Coastal Washington and Laboratory Measurements of Olympic Peninsula Mafic Rocks and Greywackes.
    January 2001, 34 p.
    Identifying Number(s): USGS/OFR-01-264
    Keywords: Wave velocity; Sonic velocity; Laboratory tests; Density; Boreholes; Mafic rocks; Velocity; Shear waves; Greywackes; Test wells; Compression waves; Seismic waves

  • Gibbs, J. F.; Tinsley, J. C.; Boore, D. M.
    Borehole Velocity Measurements at Five Sites That Recorded the Cape Mendocino, California Earthquake of 25 April, 1992.
    January 2002, 58 p.
    Identifying Number(s): USGS/OFR-02-203
    Keywords: ; Ground motion; Velocity measurement; Boreholes; Earthquakes; Geological surveys; Acceleration; California; Data sources; Seismometers; Travel time; Seismic waves