NEHRP Clearinghouse
displaying 971 - 980 results in total 1394
Somaprasad, H. R.; Toksoy, T.; Yoshiyuki, H.; Aktan, A. E.
Closed-Loop Modal Testing of a 27-Story Reinforced Concrete Flat Plate-Core Building.
National Science Foundation, Washington, DC., July 15, 1991, 148 p.
Identifying Number(s): NCEER-91-0016
Keywords: Closed loop modal tests; Reinforced concrete; Structural vibration; Algorithms; Data acquisition; Dynamic response; Buildings; Concrete structures; Earthquake engineering; Vibration damping; Resonant frequency; Foundations; Signal processing; Loads (Forces); Structural analysisNicholson, P. G.; Seed, R. B.; Anwar, H.
Measurement and Elimination of Membrane Compliance Effects in Undrained Triaxial Testing.
National Science Foundation, Washington, DC., December 1989, 300 p.
Identifying Number(s): UCB/EERC-89/10
Keywords: Strains; Gravel; Membrane compliance effects; Earthquake engineering; Porous materials; Liquefaction; Membranes; Soil properties; Modulus of elasticity; Sands; Soil mechanics; Soil testsHwang, H. H. M.; Lee, C. S.
Probabilistic Evaluation of Liquefaction Potential.
November 25, 1991, 87 p.
Keywords: Probability theory; Stochastic analysis; Statistical analysis; Seismic waves; Memphis County (Tennessee); Dynamic response; Earthquake engineering; Shear stress; Liquefaction; Soil pressure; Nonlinear systems; Soil mechanics; EarthquakesHwang, 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: ; Earthquake resistant structures; Reinforced concrete; Framed structures; Seismic waves; Mathematical models; Dynamic response; Design standards; Earthquake engineering; Risk; Reliability; Loads (Forces); Concrete construction; Design criteriaEngelhardt, M. D.; Popov, E. P.
Behavior of Long Links in Eccentrically Braced Frames.
National Science Foundation, Washington, DC.; American Iron and Steel Inst., Washington, DC., January 1989, 415 p.
Identifying Number(s): UCB/EERC-89/01
Keywords: ; Seismic design; Earthquake resistant structures; Dynamic loads; Beams (Supports); Structural vibration; Steel structures; Deformation; Test facilities; Frames; Dynamic response; Earthquake engineering; Shear stress; Bending moments; Cyclic loads; Plastic analysis; Loads (Forces); Structural membersZayas, V.; Low, S.; Bozzo, L.; Mahin, S.
Feasibility and Performance Studies on Improving the Earthquake Resistance of New and Existing Buildings Using the Friction Pendulum System.
National Science Foundation, Washington, DC., September 1989, 308 p.
Identifying Number(s): UCB/EERC-89/09
Keywords: Seismic design; Loads (Forces); Structural members; Mathematical models; Performance evaluation; Vibration damping; Vibration isolators; Earthquake resistant structures; Structural vibration; Earthquake damage; Structural design; Buildings; Feasibility studies; Rehabilitation; Friction Pendulum System; Pendulums; Friction; Dynamic response; Earthquake engineering; Cost effectivenessClark, P. W.; Kelly, J. M.
Experimental Testing of the Resilient-Friction Base Isolation System.
National Science Foundation, Washington, DC., July 1990, 162 p.
Identifying Number(s): UCB/EERC-90/10
Keywords: Earthquake resistant structures; Structural vibration; Seismic waves; Test facilities; Steel structures; Dynamic tests; Shear properties; Dynamic response; Earthquake engineering; Resilient-Friction Base Isolator; Vibration damping; Displacement; Vibration isolators; Bearings; Structural members; Earthquakes; Structural analysisYang, J. N.; Li, Z.; Danielians, A.
Hybrid Control of Seismic-Excited Nonlinear and Inelastic Structural Systems.
National Center for Earthquake Engineering Research, Buffalo, NY.; National Science Foundation, Washington, DC., August 1, 1991, 123 p.
Keywords: ; Numerical analysis; Earthquake resistant structures; Rigid structures; Structural vibration; Feedback control; Seismic waves; Algorithms; Mathematical models; Earth movements; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators; Bearings; Nonlinear systems; Dynamic structural analysisYang, 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: ; Seismic waves; Matrices (Mathematics); Algorithms; Controllers; Mathematical models; Lyapunov functions; Dynamic response; Earthquake engineering; Vibration damping; Vibration isolators; Nonlinear systemsFan, K.; Gazetas, G.
Seismic Response of Single Piles and Pile Groups.
National Science Foundation, Washington, DC.; National Center for Earthquake Engineering Research, Buffalo, NY., January 10, 1991, 56 p.
Keywords: ; Earthquake resistant structures; Structural vibration; Seismic waves; Dynamic response; Earthquake engineering; Pile foundations; Loads (Forces); Seismic effects; Soil mechanics; Mechanical properties; Dynamic structural analysis