NEHRP Clearinghouse

displaying 861 - 870 results in total 1137

• 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

• McCaffrey, R.; Nabelek, J.
  Earthquake, Gravity, and the Origin of the Bali Basin: An Example of a Nascent Continental Fold-and-Thrust Belt.
  Air Force Geophysics Lab., Hanscom AFB, MA., January 10, 1987, 22 p.
  Keywords: North america; Depth; Deformation; Seismic waves; Indonesia; Short range (Time); Subduction zones; Sources; Tectonics; Continental drift; Lithosphere; Ocean bottom topography; Basins (Geographic); Gravitational fields; Thrust; Reprints; Oceanic crust; Bathymetry; East (Direction); Bali basin; Gravity; Ocean basins; Primary waves (Seismic waves); Earthquakes

• Pauschke, J. M.; Chatterjee, J.
  Characterization of Amplitudes of Strong Ground Motion and Response Time Histories.
  National Science Foundation, Washington, DC. Directorate for Engineering., May 1986, 316 p.
  Keywords: RMS (Root Mean Square); Exponential density functions; Reaction time; Amplitude; Seismic waves; Probability density functions; Acceleration (Physics); Motion; Earthquakes

• Uang, C. M.; Bertero, V. V.
  U.S.-Japan Cooperative Earthquake Research Program: Earthquake Simulation Tests and Associated Studies of a 0.3-Scale Model of a Six-Story Concentrically Braced Steel Structure.
  National Science Foundation, Washington, DC., December 1986, 387 p.
  Identifying Number(s): UCB/EERC-86/10
  Keywords: Structural engineering; Earthquake resistant structures; Tall buildings; Models; Seismic waves; Graphs (Charts); Earthquake engineering; Simulation; Superstructures; Concrete construction; Earthquakes

• Bolton, P. A.; Heikkala, S. G.; Greene, M. M.; May, P. J.
  Land Use Planning for Earthquake Hazard Mitigation: A Handbook for Planners.
  National Science Foundation, Washington, DC. Directorate for Engineering., cJanuary 1986, 134 p.
  Identifying Number(s): SP-14
  Keywords: Cost analysis; Damage assessment; Economic factors; Land use; Land use zoning; Risk; Buildings; Real property; Hazards; Safety; Sales; Ordinances; Handbooks; Decision making; Ownership; Losses; Earthquakes; Building codes

• Gillespie, D. F.; Sherraden, M. W.; Streeter, C. L.; Zakour, M. J.
  Mapping Networks of Organized Volunteers for Natural Hazard Preparedness.
  National Science Foundation, Washington, DC., June 1986, 208 p.
  Keywords: Emergency preparedness; Social services; Networks; Readiness; Communications management; Disasters; Organizations; Hazards; Volunteers; Earthquakes

• Safford, F. B.; Masri, S. F.
  Induced Earthquake Motions in Civil Structures by Pulse Methods.
  National Science Foundation, Washington, DC., August 1984, 98 p.
  Identifying Number(s): AA-R-8428-5764
  Keywords: Earthquake resistant structures; Seismic waves; El Centro earthquake; Finite element analysis; Buildings; Earthquake engineering; San Fernando earthquake; Pulse generators; Simulation; Computer programs; Motion; Earthquakes

• McGavin, G. L.; Austin, G.; Coogan, C. H.; Sprague, G. R.
  Earthquake Hazard Reduction for Life Support Equipment in Hospitals.
  National Science Foundation, Washington, DC. Directorate for Engineering., July 1986, 175 p.
  Keywords: Life support systems; Hazards; Medical equipment; Hospitals; Seismic effects; Earthquakes

• Scalzi, J.
  Development of Methodology for Retrofitting Water Lifelines for Improved Seismic Resistance.
  National Science Foundation, Washington, DC. Directorate for Engineering., March 1985, 194 p.
  Keywords: Benefit cost analysis; Earthquake resistance; Retrofitting; Water supply; Water resources; Water pipelines; Utilities; Earthquakes

• Chen, P. C.
  Vertical Distribution of Peak Subsurface Horizontal Earthquake Accelerations.
  National Science Foundation, Washington, DC. Directorate for Engineering., August 1985, 41 p.
  Keywords: Depth; Seismic waves; Subsurface investigations; Peak horizontal accelerations; Seismic prospecting; Seismology; Earth movements; Acceleration (Physics); Amplification; Japan; Earthquakes