NEHRP Clearinghouse
displaying 81 - 90 results in total 2187
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: ; Syntax; Waveforms; Seismic waves; Underground explosions; Nuclear explosions; Clustering; Samplers; Parsers; Pattern recognition; Discrimination; Distribution functions; Earthquakes; Error analysis; Decision making; Grammars; Performance (Engineering)Galunic, B.; Bertero, V. V.; Popov, E. P.
An Approach for Improving Seismic Behavior of Reinforced Concrete Interior Joints.
National Science Foundation, Washington, DC., December 1977, 116 p.
Identifying Number(s): UCB/EERC-77/30
Keywords: Strains; Earthquake resistant structures; Reinforced concrete; Deformation; Columns (Supports); Construction joints; Beams (Supports); Earthquake engineering; Concrete constructionYao, J. T. P.
An Approach to Damage Assessment of Existing Structures.
National Science Foundation, Washington, DC. Engineering and Applied Science., October 1979, 32 p.
Identifying Number(s): CE-STR-79-4
Keywords: Structures; Fuzzy sets; Damage assessment; Earthquake resistant structures; Mathematical models; Pattern recognition; Earthquake engineering; Set theory; Earthquakes; Dynamic structural analysisNajita, K.
An Engineering Feasibility Study of an Ionospheric Technique to Improve Tsunami Warning Systems.
National Science Foundation, Washington, DC. Engineering and Applied Science., September 30, 1976, 210 p.
Keywords: Doppler effect; Ray tracing; Fortran 4 programming language; Ionosphere; Rayleigh waves; Elastic waves; Tsunamis; Computer programs; Warning systems; Fortran; Infrasonic radiation; Earthquakes; Ionospheric disturbanceSaada, A. S.; Fries, G.; Ker, C. C.
An Evaluation of Laboratory Testing Techniques in Soil Dynamics.
National Science Foundation, Washington, DC., March 1982, 71 p.
Keywords: Landslides; Ground motion; Earthquake engineering; Clays; Earthquakes; Shear tests; Soil dynamics; Cyclic loads; Test equipment; Sands; Triaxial tests; Soil testsNau, J. M.; Hall, W. J.
An Evaluation of Scaling Methods for Earthquake Response Spectra.
National Science Foundation, Washington, DC., May 1982, 350 p.
Identifying Number(s): ['UILU-ENG-82-2007', 'SRS-499']
Keywords: Seismic design; Earthquake resistant structures; Spectral energy distribution; Seismology; Elastic analysis; Computer applications; Ground motion; Earthquake engineering; Earthquakes; Dynamic response; Frequency distribution; Scaling methods; Design criteriaNau, J. M.; Hall, W. J.
An Evaluation of Scaling Methods for Earthquake Response Spectra.
National Science Foundation, Washington, DC., May 1982, 351 p.
Identifying Number(s): ['STRUCTURAL RESEARCH SER-499', 'UILU-ENG-82-2007']
Keywords: Response spectra; Earthquake resistant structures; Mechanical hysteresis; Dynamic response; Ground motion; Earthquake engineering; Spectrum analysis; Scaling factors; Linear systems; EarthquakesWerner, S. D.; Lee, L. C.; Wong, H. L.; Trifunac, M. D.
An Evaluation of the Effects of Traveling Seismic Waves on the Three-Dimensional Response of Structures.
National Science Foundation, Washington, D.C. Research Applied to National Needs., October 1977, 161 p.
Identifying Number(s): AA-R-7720-4514
Keywords: Bridges; Earthquake resistant structures; CAST1 computer program; Earth movements; Dynamic response; Ground motion; Earthquake engineering; Bridge foundations; Computer programming; Computer aided analysis; Soil dynamics; Soil structure interactions; EarthquakesHegemier, G. A.; Krishnamoorthy, G.; Nunn, R. O.
An Experimental Study of Concrete Masonry Under Seismic-Type Loading.
National Science Foundation, Washington, DC. Applied Science and Research Applications., January 1975, 41 p.
Keywords: Masonry; Earthquake resistant structures; Seismic loads; Construction joints; Earth movements; Ground motion; Earthquake engineering; Cyclic loads; Concrete products; Rheological properties; Concrete construction; EarthquakesKausel, E.
An Explicit Solution for the Green Functions for Dynamic Loads in Layered Media.
National Science Foundation, Washington, DC., May 1981, 83 p.
Identifying Number(s): R81-13
Keywords: Dynamic loads; Soils; Static loads; Stiffness methods; Mathematical models; Computer applications; Green functions; Soil dynamics; Soil structure interactions; Earthquakes