BASE ISOLATION FOR MULTISTOREY BUILDING STRUCTURES

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BASE ISOLATION FOR MULTISTOREY BUILDING STRUCTURES

Author: Peng-Hsiang, Charng | Size: 10 MB | Format: PDF | Quality: Unspecified | Publisher: UNIVERSITY OF CANTERBURY CHRISTCHURCH, NEW ZEALAND | Year: 1998 | pages: 311

Recent earthquakes, particularly the 1989 Lorna Prieta [E2] and 1994 Northridge [E3] earthquakes in California, and the 1995 Kobe [Kl] earthquake in Japan, have caused significant
loss of life and severe damage to property. Many aseismic construction designs and technologies
have been developed over the years in attempts to mitigate the effects of earthquakes on buildings and their vulnerable contents. Attenuating the effects of severe ground motions on the buildings and their contents is always one of the most popular topics in the area of civil and structural engineering and attracts the attention of many researchers and engineers around the world. The technique of base isolation has been developed in an attempt to mitigate the effects on buildings and their contents during earthquake attacks and has been proven to be one of the more effective methods for a wide range of seismic design problems on buildings in the past two decades. Seismic isolation consists essentially of the installation of mechanisms which decouple the structures and their contents from potentially damaging earthquake-induced ground motions. This decoupling is achieved by increasing the flexibility 'of the systems, together with providing appropriate damping. Careful studies have been made of structures for which seismic isolation
may find widespread application. This has been found to include common forms of new and existing multistorey building structures.

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