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Determining the damping factor of sedimentary rocks required for seismically designed structures

Abstract:

Relationships for the shear damping ratio Ds (a function of shear quality factor Qs) and modulus decay curve Gseis/Gmax as a function of shear strain for mudrocks have been developed. Field experiments to determine damping ratio and elastic moduli should be performed at frequencies as close as possible to the bandwidth (0-100 Hz) of interest for building design. Estimates of these parameters made from extrapolating laboratory core (MHz) or wireline (kHz) data to lower frequencies can be highl...

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Authors


Worthington, MH More by this author
Marsden, JR More by this author
Journal:
International Journal of Rock Mechanics and Mining Sciences
Volume:
38
Issue:
6
Pages:
801-806
Publication date:
2001-09-05
DOI:
ISSN:
1365-1609
URN:
uuid:c6f26165-2f9b-4c19-9ee2-3a72d02df8e6
Source identifiers:
178041
Local pid:
pubs:178041
Language:
English

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