The Stokoe resonant column apparatus: effects of stiffness, mass and specimen fixity
The Stokoe resonant column apparatus: effects of stiffness, mass and specimen fixity
This paper reports the results of a series of analyses, and physical and numerical experiments, carried out in order to investigate the effects of apparatus stiffness and mass, and specimen fixity, on the results obtained from fixed–free resonant column testing. It is shown that the stiffness of the drive head and the mass of the apparatus base can both have a significant effect on the results obtained from tests on stiffer geomaterials. Connectivity between the specimen, the apparatus base and the top cap is also an issue. Methods of recognising and determining the magnitudes of these effects are described, and recommendations are made for their evaluation and control.
stiffness, dynamics, laboratory equipment, laboratory tests
429-437
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Priest, J.A.
2c22f55d-ea01-4485-9a16-d5c79f79a972
Bui, M.T.
056f7274-fad2-4c9c-9269-26986cb23e67
Zervos, A.
9e60164e-af2c-4776-af7d-dfc9a454c46e
Kim, S.G.
d1dfc3b2-5d88-4d52-a9d6-b6bf06083df4
2009
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Priest, J.A.
2c22f55d-ea01-4485-9a16-d5c79f79a972
Bui, M.T.
056f7274-fad2-4c9c-9269-26986cb23e67
Zervos, A.
9e60164e-af2c-4776-af7d-dfc9a454c46e
Kim, S.G.
d1dfc3b2-5d88-4d52-a9d6-b6bf06083df4
Clayton, C.R.I., Priest, J.A., Bui, M.T., Zervos, A. and Kim, S.G.
(2009)
The Stokoe resonant column apparatus: effects of stiffness, mass and specimen fixity.
Géotechnique, 59 (5), .
(doi:10.1680/geot.2007.00096).
Abstract
This paper reports the results of a series of analyses, and physical and numerical experiments, carried out in order to investigate the effects of apparatus stiffness and mass, and specimen fixity, on the results obtained from fixed–free resonant column testing. It is shown that the stiffness of the drive head and the mass of the apparatus base can both have a significant effect on the results obtained from tests on stiffer geomaterials. Connectivity between the specimen, the apparatus base and the top cap is also an issue. Methods of recognising and determining the magnitudes of these effects are described, and recommendations are made for their evaluation and control.
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Published date: 2009
Keywords:
stiffness, dynamics, laboratory equipment, laboratory tests
Organisations:
Civil Engineering & the Environment
Identifiers
Local EPrints ID: 75867
URI: http://eprints.soton.ac.uk/id/eprint/75867
ISSN: 0016-8505
PURE UUID: 4e4b84f6-f825-47ed-b027-6b18cc239f91
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:48
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Contributors
Author:
J.A. Priest
Author:
M.T. Bui
Author:
S.G. Kim
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