NEHRP Clearinghouse

displaying 171 - 180 results in total 298

  • Hwang, H. H. M.; Hsu, H. M.
    Study of Reliability-Based Criteria for Seismic Design of Reinforced Concrete Frame Buildings.
    National Science Foundation, Washington, DC., August 10, 1991, 188 p.
    Identifying Number(s): NCEER-91-0023
    Keywords: ; Reliability; Dynamic response; Risk; Earthquake engineering; Earthquake resistant structures; Loads (Forces); Reinforced concrete; Design criteria; Concrete construction; Design standards; Mathematical models; Framed structures; Seismic waves

  • Yang, J. N.; Li, Z.
    Instantaneous Optimal Control for Linear, Nonlinear and Hysteretic Structures - Stable Controllers.
    National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., November 15, 1991, 57 p.
    Keywords: ; Dynamic response; Vibration isolators; Earthquake engineering; Matrices (Mathematics); Controllers; Lyapunov functions; Vibration damping; Mathematical models; Algorithms; Nonlinear systems; Seismic waves

  • Saiidi, M.; Douglas, B.; Feng, S.; Hwang, E.; Maragakis, E.
    Effects of Axial Force on Frequency of Prestressed Concrete Bridges.
    National Science Foundation, Washington, DC., August 1992, 52 p.
    Identifying Number(s): CCEER-92-4
    Keywords: ; Prestressed concrete; Dynamic response; Dynamic structural analysis; Fourier transformation; Earthquake engineering; Loads (Forces); Structural vibration; Deflection; Displacement; Concrete structures; Resonant frequencies; Mathematical models; Girder bridges

  • Yang, J. N.; Li, Z.; Vongchavalitkul, S.
    Generalization of Optimal Control Theory: Linear and Nonlinear Structures.
    National Center for Earthquake Engineering Research, Buffalo, NY.; New York State Science and Technology Foundation, Albany.; National Science Foundation, Washington, DC., November 2, 1992, 89 p.
    Keywords: ; Dynamic response; Vibration isolators; Earthquake resistant structures; Earthquake engineering; Structural vibration; Vibration damping; Optimization; Linear systems; Mathematical models; Nonlinear systems; Control theory

  • Leiva, G.; Klingner, R. E.
    In-Plane Seismic Resistance of Two-Story Concrete Masonry Shear Walls with Openings.
    National Science Foundation, Washington, DC., August 1991, 319 p.
    Identifying Number(s): REPT-3.1(C)-2
    Keywords: Grout; Failure; Computer programming; Earthquake resistant buildings; Masonry; Loads (Forces); Test methods; Instrumentation; Flexural strength; Reinforced concrete; Walls; Strain measurement; Structural members; Design criteria; Construction; Axial stress; Mathematical models; Coupled walls; Deformation; Shear stress; Cantilever walls

  • Earthquake Engineering Research at Berkeley, 1992.
    National Science Foundation, Washington, DC.; Bureau of Reclamation, Washington, DC.; Corps of Engineers, Washington, DC.; Los Angeles County Dept. of Public Works, CA., October 1992, 218 p.
    Identifying Number(s): UCB/EERC-92/13
    Keywords: ; Buildings; Earthquake engineering; Meetings; Seismic design; Research; Vibration damping; Mathematical models; Bridges; Dynamic structural analysis

  • Constantinou, M. C.; Tsopelas, P.; Kim, Y. S.; Okamoto, S.
    NCEER-Taisei Corporation Research Program on Sliding Seismic Isolation Systems for Bridges: Experimental and Analytical Study of a Friction Pendulum System (FPS).
    National Science Foundation, Washington, DC.; New York State Science and Technology Foundation, Albany., November 1, 1993, 171 p.
    Identifying Number(s): NCEER-93-0020
    Keywords: Dynamic response; Ground motion; Bearings; Vibration isolators; Earthquake resistant structures; Earthquake engineering; Highway bridges; Sliding isolation systems; Bridge piers; Simulation; Bridge design; Friction Pendulum System; Displacement; Mathematical models; Shaking table tests; Deformation

  • Soni, A. H.; inivasan, V.
    Seismic Analysis of Rotating Mechanical Systems.
    National Science Foundation, Washington, DC., June 1984, 252 p.
    Keywords: Rotors; Computer programs; Earthquake engineering; Dynamic characteristics; Earthquakes; Machinery; Rotation; Performance; Programming manuals; Mathematical models; Seismic waves

  • Cifuentes, A. O.
    System Identification of Hysteretic Structures.
    National Science Foundation, Washington, DC., January 1985, 170 p.
    Identifying Number(s): EERL-84-04
    Keywords: Dynamic response; Seismic waves; Ground motion; Buildings; Theses; Earthquake engineering; Earthquakes; Reinforced concrete; System identification; Mathematical models; Algorithms; Dynamic structural analysis

  • Chelvakumar, K.
    Simple Strain-Space Plasticity Model for Clays.
    National Science Foundation, Washington, DC. Directorate for Engineering., January 1985, 209 p.
    Identifying Number(s): EERL-85-05
    Keywords: Mathematical models; Plastic properties; Clays; Earthquake engineering