ReportEarthquake Engineering Research Center, College of Engineering, University of California, 1967 - Buildings |
Contents
Introduction | 1 |
Numerical Models for Analysis of Adjacent Bridge Frames | 3 |
Summary of Hinge Restrainer Behavior and Design Procedures | 7 |
9 other sections not shown
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Common terms and phrases
1940 El Centro 1994 Northridge Earthquake AASHTO abutments bounding models cable restrainers Caltrans procedure Centro Earthquake S00E Coefficient of Restitution Dego design ductility Dr/Dego ductility demands Earthquake S00E Component Earthquake Sylmar Hospital elastic frames equation flexible frame frame displacement frame ductility frame period ratios Hinge Displacement Ratio hinge restrainers hinge seat width history analysis Hospital Free-Field Record increases intermediate hinges K₁ kips Kmod limit hinge displacement Loma Prieta Earthquake modal multiple-frame bridges multiple-step procedure nonlinear analysis nonlinear time history Normalized Hinge Displacement Normalized Restrainer Stiffness Northridge Earthquake Sylmar number of restrainers parameter study peak ground acceleration procedure for hinge Q-Hyst relative hinge displacement required restrainer stiffness response spectrum Restrainer Design Procedure restrainer slack Restrainer Stiffness Ratio Retrofit Scaled to 0.70g Seismic shown in figure Single-Step Design Procedure single-step procedure Single-Step Restrainer Design Standard Deviation Sylmar Hospital Free-Field T₁/T₂ Figure target ductility unconservative yield strength yielding frames