NEHRP Clearinghouse
displaying 51 - 60 results in
total 68
Trudeau, P. J.
Damping Capacity of Boston Blue Clay. Optimum Seismic Protection for New Building Construction in Eastern Metropolitan Areas.
National Science Foundation, Washington, DC. Applied Science and Research Applications., January 1973, 11 p.
Identifying Number(s): INTERNAL STUDY-27
Keywords: Damping; Buildings; Earthquake engineering; Earthquake resistant structures; Seismic design; Eastern Region (United States); Soil dynamics; Soil properties; Secondary waves; Boston blue clay; ClaysTsopelas, P.; Okamoto, S.; Constantinou, M. C.; Ozaki, D.; Fujii, S.
NCEER-Taisei Corporation Research Program on Sliding Seismic Isolation Systems for Bridges: Experimental and Analytical Study of Systems Consisting of Sliding Bearings, Rubber Restoring Force Devices and Fluid Dampers. Volume 2.
National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., February 4, 1994, 274 p.
Keywords: ; Damping; Bearings; Vibration isolators; Earthquake engineering; Rubber gaskets; Seismic design; Elastomers; PiersAmer, M. I.; Aggour, M. S.; Kovacs, W. D.
Size Effect in Simple Shear Testing.
National Bureau of Standards (NEL), Gaithersburg, MD. Center for Building Technology., November 1984, 66 p.
Keywords: Shear tests; Damping; Earthquake engineering; Shear properties; Finite element analysis; Soil mechanicsGraesser, E. J.; Cozzarelli, F. A.
Multidimensional Models of Hysteretic Material Behavior for Vibration Analysis of Shape Memory Energy Absorbing Devices.
National Science Foundation, Washington, DC., June 7, 1989, 76 p.
Identifying Number(s): NCEER-89-0018
Keywords: Damping; Earthquake resistant structures; Earthquake engineering; Base isolation; Hysteresis; Ozdemir model; Seismic effects; Shape memory alloysKelly, J. M.
Base Isolation in Japan, 1988.
National Science Foundation, Washington, DC., December 1988, 100 p.
Identifying Number(s): UCB/EERC-88/20
Keywords: ; Damping; Buildings; Vibration isolators; Earthquake resistant structures; Earthquake engineering; Shock absorbers; Earthquakes; Structural vibration; Vibration damping; Japan; Seismic wavesKariotis, J. C.; Waqfi, O. M.; Ewing, R. D.
Computer Program Using Beam Elements for the Nonlinear, Dynamic Analysis of Lumped Parameter Models.
National Science Foundation, Washington, DC., February 1992, 96 p.
Identifying Number(s): REPT-2.3-5
Keywords: Dynamic response; LPM/II computer program; Damping; Computer programs; Earthquake engineering; Beams (Supports); Loads (Forces); Masonry; Reinforcement (Structures); Matrices (Mathematics); Mechanical properties; Equations of motion; Walls; Stiffness; Boundary conditions; Concrete; Displacement; Degrees of freedom; Algorithms; Nonlinear systems; Dynamic structural analysisTsopelas, P.; Okamoto, S.; Constantinou, M. C.; Ozaki, D.; Fujii, S.
NCEER-Taisei Corporation Research Program on Sliding Seismic Isolation Systems for Bridges: Experimental and Analytical Study of Systems Consisting of Sliding Bearings, Rubber Restoring Force Devices and Fluid Dampers. Volume 1.
National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Arlington, VA.; New York State Science and Technology Foundation, Albany., February 4, 1994, 192 p.
Keywords: ; Damping; Bearings; Vibration isolators; Earthquake engineering; Rubber gaskets; Seismic design; ElastomersLienert, 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: Damping; HYPOCENTER model; Time; Mean; Iterations; Earthquakes; Equations; Velocity; Adaptive systems; Epicenters; Variables; Seismic velocity; Seismic data; Seismic arrays; Least squares method; Arrival time; Algorithms; Reprints; Position (Location); Travel timeYong, Y.; Lin, Y. K.
Parametric Studies of Frequency Response of Secondary Systems under Ground-Acceleration Excitations.
National Science Foundation, Washington, DC., June 10, 1987, 42 p.
Identifying Number(s): NCEER-87-0012
Keywords: Acceleration (Physics); Ground motion; Damping; Earthquake resistant structures; Tuning; Frequency response; Excitation; Displacement; Seismology; Dynamic structural analysisNowak, P. S.
Effect of Nonuniform Seismic Input on Arch Dams.
National Science Foundation, Washington, DC., January 1988, 153 p.
Identifying Number(s): EERL-88-03
Keywords: ; Arch dams; Dynamic response; Damping; Earthquake resistant structures; Loads (Forces); Graphs (Charts); Vibration; Excitation; Seismic prospecting; Dynamic structural analysis