NEHRP Clearinghouse

displaying 621 - 630 results in total 2187

  • Basharkhah, M. A.; Yao, J. T. P.
    Effects of Gain and Delay-Time of Control Devices to Structural Safety.
    National Science Foundation, Washington, DC., January 1982, 51 p.
    Identifying Number(s): CE-STR-82-5
    Keywords: Bridges (Structures); Earthquake resistant structures; Feedback control; Controller characteristics; Structural design; Buildings; Vibration damping; Feedforward control; Earthquakes

  • Viwathanatepa, S.; Popov, E. P.; Bertero, V. V.
    Effects of Generalized Loadings on Bond of Reinforcing Bars Embedded in Confined Concrete Blocks.
    National Science Foundation, Washington, DC., August 1979, 316 p.
    Identifying Number(s): UCB/EERC-79/22
    Keywords: Framed structures; Construction joints; Mathematical models; Finite element analysis; Earthquake engineering; Cyclic loads; Earthquakes; Dynamic structural analysis

  • Chang, N. Y.; Ko, H. Y.
    Effects of Grain Size Distribution on Dynamic Properties and Liquefaction Potential of Granular Soils.
    National Science Foundation, Washington, DC., March 1982, 358 p.
    Identifying Number(s): ['R82-103', 'GEOTECHNICAL PUB-111']
    Keywords: Dynamic properties; Noncohesive soils; Earthquake engineering; Shear modulus; Soil properties; Liquefaction (Soils); Grain size; Cyclic loads; Sands; Triaxial tests

  • Helweg, O. J.; Hwang, H. H. M.
    Effects of Hydrocarbon Spills from an Oil Pipeline Break on Ground Water.
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., August 3, 1993, 121 p.
    Identifying Number(s): NCEER-93-0012
    Keywords: ; Computerized simulation; Oil spills; Ruptures; Hazardous materials spills; Ground water; Soil structure interactions; Earthquakes; Petroleum pipelines

  • HoLung, J. A.
    Effects of Protective Cushion and Soil Compliancy on the Response of Equipment within a Seismically Excited Building.
    National Science Foundation, Washington, DC., February 16, 1989, 74 p.
    Identifying Number(s): NCEER-89-0001
    Keywords: Protectors; Random processes; Secondary systems; Cushions; Buildings; Earthquake engineering; Soil compliancy; Soil structure interactions; Equipment; Seismic effects; Viscoelasticity

  • Rahnama, M.; Krawinkler, H.
    Effects of Soft Soil and Hysteresis Model on Seismic Demands.
    National Science Foundation, Arlington, VA.; Kajima Corp., Tokyo (Japan)., July 1993, 249 p.
    Keywords: ; Earthquake resistant structures; Mathematical models; Structural design; Dynamic response; Strain hardening; Earthquake engineering; Ground motion; Hysteresis; Displacement; Soil structure interactions; Stiffness; Nonlinear systems; Ductility; Soil mechanics; Structural analysis

  • Hao, H.
    Effects of Spatial Variation of Ground Motions on Large Multiply-Supported Structures.
    National Science Foundation, Washington, DC., July 1989, 171 p.
    Identifying Number(s): UCB/EERC-89/06
    Keywords: ; Seismic waves; Structural vibration; Computerized simulation; Mathematical models; Earth movements; Degrees of freedom; Earthquake engineering; Displacement; Soil-structure interactions; Taiwan; Accelerometers; Earthquakes; Dynamic structural analysis

  • Bray, J. D.; Seed, R. B.; Seed, H. B.
    Effects of Tectonic Movements on Stresses and Deformations in Earth Embankments.
    National Science Foundation, Washington, DC., September 1989, 454 p.
    Identifying Number(s): UCB/EERC-90/13
    Keywords: ; Numerical analysis; Embankments; Deformation; Earth movements; Stress analysis; Dams; Subsidence; Tectonics; Mathematical models; Foundations; Mass movements (Geology); Soil mechanics; Soil tests; Case histories; Geological faults; Finite element method; Clays; Model tests; Earthquake engineering; Reviews

  • Sedarat, H.; Bertero, V. V.
    Effects of Torsion on the Linear and Nonlinear Seismic Response of Structures.
    National Science Foundation, Washington, DC., September 1990, 344 p.
    Identifying Number(s): UCB/EERC-90/12
    Keywords: Reinforced concrete; Structural vibration; Torsion; Seismic waves; Mathematical models; Earth movements; Shear properties; Dynamic response; Dynamic structural analysis; Earthquake engineering; Concrete structures; Bending moments; FACTS computer program; Linear systems; Structural members; Building codes

  • Yim, C. S.; Chopra, A. K.
    Effects of Transient Foundation Uplift on Earthquake Response of Structures.
    National Science Foundation, Washington, DC., June 1983, 137 p.
    Identifying Number(s): UCB/EERC-83/09
    Keywords: Earthquake resistant structures; Mathematical models; Dynamic response; Buildings; Earthquake engineering; Uplift pressure; Soil properties; Soil structure interactions; Foundations; Earthquakes