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Experiments on a base-isolated building in Santiago, Chile by Maria O. Moroni; Mauricio Sarrazin; Ruben Boroschek is a Engineering article available to read on EtoBox.

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An experimental four-story building, supported on high damping rubber isolators, was constructed in Santiago, Chile in 1992. The building and a conventional twin, standing nearby, are instrumented with a local network of digital accelerometers. At least 24 earthquakes of different intensities have been registered in the past three years by the recording system. Data was also obtained at the isolated building for pull-back testing in an effort to evaluate the constitutive characteristics of the bearings. This paper describes the bearing verification testing program as well as the experiments carried out at the isolated building. It also contains the analysis of the records obtained for actual earthquakes, for both the isolated and the conventional building, using parametric and non-parametric identification techniques. For the earthquake records obtained, the reduction in the maximum acceleration at the roof level for the isolated building, as compared to the conventional one, varies from 1 to 3.5 times, depending on the level of the maximum ground acceleration and the characteristics of the earthquake motions.

Who reads Experiments on a base-isolated building in Santiago, Chile?

Author

Maria O. Moroni; Mauricio Sarrazin; Ruben Boroschek

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0141-0296)

Published

1998

Language

EN

Field

Engineering (Physical Sciences)