NEHRP Clearinghouse

displaying 881 - 890 results in total 2187

  • Hurricanes Iwa, Alicia, and Diana - Common Themes, a Report of the Committee on Natural Disasters, 1984.
    National Science Foundation, Washington, DC., January 1985, 38 p.
    Keywords: Hurricanes; Landslides; Volcanoes; Hurricane Diana; Disasters; Tornadoes; Hurricane Iwa; Warning systems; Hurricane Alicia; Earthquakes

  • Nalivkin, D. V.
    Hurricanes, Storms and Tornadoes: Geographic Characteristics and Geological Activity.
    cJanuary 1982, 609 p.
    Identifying Number(s): TT-75-52013
    Keywords: Hurricanes; Tornadoes; Ocean currents; Storms; Geography; Sedimentation; Meteorology; Marine meteorology; Air currents; Geological faults; Marine microorganisms; Wind (Meteorology); Air water interactions; Foreign technology; Atmospheric circulation; Geology; Translations; Environmental transport; Air land interactions; Earthquakes

  • Yang, J. N.; Li, Z.; Danielians, A.
    Hybrid Control of Seismic-Excited Nonlinear and Inelastic Structural Systems.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., August 1, 1991, 123 p.
    Keywords: ; Numerical analysis; Earthquake resistant structures; Rigid structures; Structural vibration; Feedback control; Seismic waves; Algorithms; Mathematical models; Earth movements; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators; Bearings; Nonlinear systems; Dynamic structural analysis

  • Tzong, T. J.; Penzien, J.
    Hybrid Modelling of Soil-Structure Interaction in Layered Media.
    National Science Foundation, Washington, DC., October 1983, 156 p.
    Identifying Number(s): UCB/EERC-83/22
    Keywords: Near field; Far field; Soils; Mathematical models; Finite element techniques; Earthquake engineering; Excitation; Soil-structure interactions; Mechanical impedance; Dynamic structural analysis

  • Gupta, S.; Lin, T. W.; Penzien, J.; Yeh, C. S.
    Hybrid Modelling of Soil-Structure Interaction.
    National Science Foundation, Washington, DC., May 1980, 128 p.
    Identifying Number(s): UCB/EERC-80/09
    Keywords: Structures; Mathematical models; Dynamic response; Finite element analysis; Earthquake engineering; Soil dynamics; Soil structure interactions; Soil mechanics; Earthquakes

  • Thewalt, C. R.; Mahin, S. A.
    Hybrid Solution Techniques for Generalized Pseudodynamic Testing.
    National Science Foundation, Washington, DC., July 1987, 145 p.
    Identifying Number(s): UCB/EERC-87/09
    Keywords: Equations of motion; Control equipment; Pseudodynamic testing; Damping; Dynamic tests; Computer applications; Actuators; Earthquake engineering; Displacement; Reliability; Tests

  • Kadle, D. S.; Chwang, A. T.
    Hydrodynamic Effect of Earthquakes on Circular Dam-Reservoir Systems.
    National Science Foundation, Washington, DC., August 1982, 78 p.
    Identifying Number(s): IIHR-246
    Keywords: Surface waves; Arch dams; Pressure distribution; Reservoirs; Earthquake engineering; Ground motion; Dams; Water pressure; Hydrodynamics; Earthquakes

  • Petkewich, M. D.; Parkhurst, D. L.; Conlon, K. J.; Campbell, B. G.; Mirecki, J. E.
    Hydrologic and Geochemical Evaluation of Aquifer Storage Recovery in the Santee Limestone/Black Mingo Aquifer, Charleston, South Carolina, 1998-2002.
    January 2004, 96 p.
    Identifying Number(s): USGS-SIR-2004-5046
    Keywords: Carbonates; Evaluation; Potable water; Water quality; Hydrology; Water wells; Aquifer storage recovery; Stratigraphy; Sediments; Geochemistry; South Carolina; Aquifers; Water pollution sampling; Water chemistry

  • Lienert, B. R.; Berg, E.; Frazer, L. N.
    Hypocenter: An Earthquake Location Method Using Centered, Scaled, and Adaptively Damped Least Squares.
    June 1986, 15 p.
    Identifying Number(s): HIG-CONTRIB-1712
    Keywords: Equations; HYPOCENTER model; Velocity; Arrival time; Seismic velocity; Seismic data; Damping; Time; Earthquakes; Position (Location); Travel time; Algorithms; Seismic arrays; Mean; Reprints; Variables; Epicenters; Adaptive systems; Iterations; Least squares method

  • Toussi, S.; Yao, J. T. P.
    Hysteresis Identification of Multi-Story Buildings.
    National Science Foundation, Washington, DC., May 1981, 96 p.
    Identifying Number(s): CE-STR-81-15
    Keywords: Earthquake resistant structures; Mechanical hysteresis; Damping; Degrees of freedom; Buildings; Earthquake engineering; Concrete structures; Error analysis; Least squares method