Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An Innovative Application of Base Isolation Technology
The first application of seismic isolation in the world that permits the vertical expansion of an existing structure by introducing isolation bearings between the existing structure and the addition is presented. In essence, the isolated addition acts more like a tuned mass damper than an isolated structure. The existing building which serves as the base for the isolated addition is about 825 ft long and 110 ft wide with two expansion joints at approximately the third of the length. The new addition is a continuous structure that bridges over the expansion joints and utilizes concentric braced frames for its lateral strength. This is truly a unique application of the base isolation technology where the plane of isolation has been moved from the base of the building to the roof of an existing building. A 3D non linear analysis using site specific time histories was used to demonstrate the adequacy of the base structure and extract the design parameters for the new addition.
An Innovative Application of Base Isolation Technology
The first application of seismic isolation in the world that permits the vertical expansion of an existing structure by introducing isolation bearings between the existing structure and the addition is presented. In essence, the isolated addition acts more like a tuned mass damper than an isolated structure. The existing building which serves as the base for the isolated addition is about 825 ft long and 110 ft wide with two expansion joints at approximately the third of the length. The new addition is a continuous structure that bridges over the expansion joints and utilizes concentric braced frames for its lateral strength. This is truly a unique application of the base isolation technology where the plane of isolation has been moved from the base of the building to the roof of an existing building. A 3D non linear analysis using site specific time histories was used to demonstrate the adequacy of the base structure and extract the design parameters for the new addition.
An Innovative Application of Base Isolation Technology
Dutta, A. (Autor:in) / Sumnicht, J. F. (Autor:in) / Mayes, R. L. (Autor:in) / Hamburger, R. O. (Autor:in) / Citipitioglu, A. (Autor:in)
ATC and SEI Conference on Improving the Seismic Performance of Existing Buildings and Other Structures ; 2009 ; San Francisco, California, United States
07.12.2009
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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