NEHRP Clearinghouse

displaying 1271 - 1280 results in total 2187

  • Matthiesen, R. B.
    On the Development of Strong-Motion Instrument Networks in the United States.
    National Science Foundation, Washington, DC. Applied Science and Research Applications., October 1978, 97 p.
    Identifying Number(s): OPEN FILE-78/1024
    Keywords: ; Seismic surveys; Buildings; Earthquakes; Evaluation; Instrumentation; Project planning; History; Site surveys; Seismic arrays; Structures; Seismological stations; Accelerometers; Seismometers; Planning; United States; Geological faults

  • Gasparini, D. A.
    On the Safety Provided by Alternate Seismic Design Methods.
    National Science Foundation, Washington, D.C. Div. of Advanced Environmental Research and Technology., July 1977, 218 p.
    Identifying Number(s): R77-22
    Keywords: Dynamic response; Buildings; Risk; Earthquake engineering; Earthquake resistant structures; Risk analysis; Seismic design; Earth movements; Random vibration; Degrees of freedom; Design criteria

  • Pique, J. R.
    On the Use of Simple Models in Nonlinear Dynamic Analysis.
    National Science Foundation, Washington, DC. Engineering and Applied Science., September 1976, 284 p.
    Identifying Number(s): R76-43
    Keywords: Seismic waves; One degree of freedom; Ground motion; Elastic properties; Earthquake engineering; Earthquake resistant structures; Earthquakes; Degrees of freedom; Framed structures; Nonlinear systems; Dynamic structural analysis

  • Yang, J. N.; Long, F. X.; Wong, D.
    Optimal Control of Nonlinear Flexible Structures.
    National Science Foundation, Washington, DC., January 22, 1988, 113 p.
    Identifying Number(s): NCEER-88-0002
    Keywords: Optimal control algorithms; Elastic waves; Nonlinear flexible structures; Dynamic structure analysis; Earthquake resistant structures

  • Cheng, F. Y.; Truman, K. Z.
    Optimal Design of 3-D Reinforced Concrete and Steel Buildings Subjected to Static and Seismic Loads Including Code Provisions.
    National Science Foundation, Washington, DC., June 1985, 416 p.
    Identifying Number(s): CIVIL ENGINEERING STUDY-85-20
    Keywords: ; Buildings; Static loads; Earthquake resistant structures; Reinforcing steels; Building codes; Structural design; Reinforced concrete; Design

  • Austin, M. A.; Pister, K. S.
    Optimal Design of Friction-Braced Frames under Seismic Loading.
    National Science Foundation, Washington, DC., June 1983, 106 p.
    Identifying Number(s): UCB/EERC-83/10
    Keywords: Dynamic response; Ground motion; Sensitivity analysis; Buildings; Earthquake engineering; Earthquake resistant structures; Delight; Struct computer program; Structural design; Computer applications; Girders; Framed structures; Dynamic structural analysis

  • Bhatti, M. A.
    Optimal Design of Localized Nonlinear Systems with Dual Performance Criteria Under Earthquake Excitations.
    National Science Foundation, Washington, DC., July 1979, 110 p.
    Identifying Number(s): UCB/EERC-79/15
    Keywords: Dynamic response; Computer programming; Ground motion; Nonlinear programming; Earthquake engineering; Earthquake resistant structures; Seismic design; Algorithms; Nonlinear systems; Minimax technique; Computer aided design; Dynamic structural analysis

  • Balling, R. J.; Ciampi, V.; Pister, K. S.; Polak, E.
    Optimal Design of Seismic-Resistant Planar Steel Frames.
    National Science Foundation, Washington, DC., December 1981, 127 p.
    Identifying Number(s): UCB/EERC-81/20
    Keywords: Ground motion; User needs; Earthquake engineering; Earthquake resistant structures; Seismic design; Structural design; Soil structure interactions; Mathematical programming; Computer graphics; Design criteria; RATTLE computer program; Mathematical models; Computer aided design

  • Bhatti, M. A.; Pister, K. S.; Polak, E.
    Optimal Design of an Earthquake Isolation System.
    National Science Foundation, Washington, DC., October 1978, 120 p.
    Identifying Number(s): UCB/EERC-78/22
    Keywords: Ground motion; Buildings; Earthquake engineering; Earthquake resistant structures; Mechanical hysteresis; Seismic design; Structural design; Energy absorption; Mathematical models; Dynamic structural analysis

  • Cheng, F. Y.; Pantelides, C. P.
    Optimal Placement of Actuators for Structural Control.
    National Science Foundation, Washington, DC., August 15, 1988, 78 p.
    Identifying Number(s): NCEER-88-0037
    Keywords: ; Seismic waves; Earthquake resistant structures; Loads (Forces); Graphs (Charts); Earthquakes; Simulation; Soil dynamics; Stability; Actuators; Placement; Dynamic structural analysis