WIT Press


Evaluation Of Performance Of Machine Foundation Under Blast-induced Excitation

Price

Free (open access)

Volume

48

Pages

10

Published

2000

Size

1,099 kb

Paper DOI

10.2495/SU000041

Copyright

WIT Press

Author(s)

M.H. El Naggar

Abstract

The planning of foundations for equipment sensitive to vibrations requires a thorough dynamic investigation of the proposed location of the foundation with regard to the effect of already existing or additional vibration sources. This paper discusses the analyses performed for a power plant facility that is subjected to blasting-induced vibration from an adjacent quarry. To assess the level of seismic excitation at the site due to blasting activities in the quarry, an extensive ground vibration-monitoring program was carried out. This program included initial blast monitoring of production blasts at the future turbine location, and the development of a final design acceleration time-history. The results of the vibration-monitoring program showed that the production blasts displayed extremely variable vibrat

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