Sep 1, 1998
Two immersed tube tunnels used for vehicular traffic in the seismically active San Francisco Bay Area were built over 30 years ago with little consideration to seismic effects. A seismic retrofit study was conducted to assess the vulnerability of the tubes to seismic...
Jun 1, 1998
The purpose of this research was to provide the information required to finalize seismic retrofit design of the San Francisco-Oakland Bay Bridge. The emphasis was on conducting cyclic tests of half-scale specimens representing laced members and joints of the Bridge....
Jun 1, 1998
This paper discusses the particular features and benefits of ADINA with respect to the requirements of advanced seismic analysis as applied to the Carquinez Strait Bridges in California. Major aspects of earthquake related analyses are discussed, i.e., static lateral...
Jun 28, 1991
Systems Control Technology, Inc. is participating in the Air Force program entitled “Robust Control Law Development for Modern Aerospace Vehicles” (MAVRIC) as a subcontractor to Northrop Aircraft Division. The goal of this program is to apply...
Dec 11, 1985
A decentralized, robust, multivariable controls method is described for the functional integration of subsystems in large-scale systems characterized by dynamic coupling among subsystem elements. In an integrated environment, a decentralized control structure reduces...
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