NEHRP Clearinghouse

displaying 1 - 5 results in total 5

• ['Hjelmstad, K. D.', 'Popov, E. P.']
  Seismic Behavior of Active Beam Links in Eccentrically Braced Frames.
  National Science Foundation, Washington, DC., July 1983, 178 p.
  Identifying Number(s): UCB/EERC-83/15
  Keywords: Earthquake resistant structures; Braces; Framed structures; Mechanical hysteresis; Lateral pressure; Dynamic response; Earthquake engineering; Buckling; Earthquakes; Dynamic structural analysis

• ['Hjelmstad, K. D.', 'Lee, S.']
  Lateral Buckling of Short I-Beams Under Cyclic Loading.
  National Science Foundation, Washington, DC.; American Inst. of Steel Construction, Chicago, IL., April 1990, 154 p.
  Identifying Number(s): ['STRUCTURAL RESEARCH SER-549', 'UILU-ENG-90-2001']
  Keywords: ; Structural engineering; Beams (Supports); Deformation; Experimental data; Test facilities; Mathematical models; I beams; Stresses; Buckling; Cyclic loads; Stress cycle; Loads (Forces); Structural members; Structural analysis

• ['Downs, R. E.', 'Hjelmstad, K. D.', 'Foutch, D. A.']
  Evaluation of Two RC Buildings Retrofit with Steel Bracing.
  National Science Foundation, Washington, DC., November 1991, 355 p.
  Identifying Number(s): ['UILU-ENG-91-2011', 'STRUCTURAL RESEARCH SER-563']
  Keywords: ; Finite element method; Reinforcing materials; Earthquake resistant structures; Reinforced concrete; Structural vibration; Retrofitting; Mexico; Reinforcing steels; Earthquake damage; Dynamic response; Buildings; Earthquake engineering; Concrete structures; Soil-structure interactions; Computer programs; Reinforcement (Structures); Structural analysis

• ['Banan, M. R.', 'Hjelmstad, K. D.']
  Identification of Structural Systems from Measured Response.
  National Science Foundation, Arlington, VA.; Army Research Office, Research Triangle Park, NC., May 1993, 181 p.
  Identifying Number(s): UILU-ENG-93-2002
  Keywords: ; Numerical analysis; Timoshenko beam; Mathematical models; Algorithms; Dynamic response; Earthquake engineering; Highway bridges; Quadratic equations; Dynamic structural analysis

• ['Williamson, E. B.', 'Hjelmstad, K. D.']
  Dynamic Stability of Damage-Prone Inelastic Structural Systems.
  National Science Foundation, Arlington, VA., cMay 1996, 172 p.
  Identifying Number(s): ['UILU-ENG-96-2004', 'STRUCTURAL RESEARCH SER-609']
  Keywords: ; Numerical analysis; Seismic design; Damping; Stability; Earthquake engineering; Buckling; Nonlinear systems; Dynamic structural analysis