Performance-Based Seismic Design for Bridges

Aug 27, 1999

Design criterion and methodologies have been developed and implemented that require bridges to be without significant damage following severe ground shaking. The design philosophy used to obtain these results is often referred to as “Performance Based Design.” These...

Seismic Modeling, Analysis, and Design of Modern Steel Bridges

Jul 1, 1999

The current AASHTO Specifications do not have adequate guidelines for seismic modeling and analysis of steel bridges. Bridge designers in seismic zones have always raised concerns about the adequacy of beam models in performing seismic analysis of steel bridges. This...

Run-to-Run Control of Static Systems

Dec 1, 1998

Run-to-run control using static linear models is examined. Conditions are presented for stability, (statistical) performance, and robustness using standard control theory. A simulation example shows the usefulness of the method applied to a rapid thermal oxidation...
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