Vibro-base Isolation Of A Building To Decrease
The Technical Seismicity Effect
Author(s)
D. Makovička & D. Makovička Jr.
Abstract
When vehicles run on underground and above-ground roads, vibrations
propagate from the traffic structures to the buildings in their vicinity. These
vibrations are designated as technical seismicity from traffic effects. Vibro-base
isolation is a promising method for reducing the vibrations of buildings
(Makovička and Makovička, Structure insulation exposed to excessive vibration
of underground traffic (2005) and Jacquet and Heiland Tieffrequente Bauwerken-
Kopplungen als Schutz gegen Erschütterungen (2002)). A layer of rubber or
some other elastomer is usually used for this purpose. This elastic layer is
located between the twinned foundation base plate. In order to help engineers
decide whether to implement vibro-isolation, a comparison is made between the
response of a building with vibro-isolation and without vibro-isolation. A further
aim of the paper is to use an example of a concrete structure to present the
effectiveness of vibro-base isolation, namely by comparing vibration
measurements before and after construction of the building. Free-field
measurements, calculation prognosis of vibration and final vibration
measurements on the residential floors of the building are compared and
discussed.
Keywords: technical seismicity, vibro-base isolation, elastomer, dynamic
analysis, measurement, validation.
Keywords
technical seismicity, vibro-base isolation, elastomer, dynamic
analysis, measurement, validation
Related Book
Other papers in this volume
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