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Hyperbolic Fit Method for Interpretation of Piezocone Dissipation Tests

Chung, S. G. / Kweon, H. J. / Jang, W. Y.

Abstract

A simple hyperbolic equation is used to best fit measured piezocone pore pressure dissipation data. The same hyperbolic equation, albeit with slight differences in its coefficients, fits well the existing theoretical solutions/charts for piezocone dissipation response. Coefficient of consolidation $c_{h}$ can be conveniently expressed in terms of the hyperbolic parameters corresponding to the measured data and the existing solution charts. Field piezocone dissipation test data for Busan clay is successfully fitted using the provided hyperbolic equation. The $c_{h}$ values thus determined over a range of degree of consolidation ( $10 - 90 %$ ) compare well with $c_{h}$ values obtained by the traditional direct use of the same existing theoretical solutions or charts.

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Hyperbolic Fit Method for Interpretation of Piezocone Dissipation Tests

Chung, S. G. / Kweon, H. J. / Jang, W. Y.

Abstract

A simple hyperbolic equation is used to best fit measured piezocone pore pressure dissipation data. The same hyperbolic equation, albeit with slight differences in its coefficients, fits well the existing theoretical solutions/charts for piezocone dissipation response. Coefficient of consolidation $c_{h}$ can be conveniently expressed in terms of the hyperbolic parameters corresponding to the measured data and the existing solution charts. Field piezocone dissipation test data for Busan clay is successfully fitted using the provided hyperbolic equation. The $c_{h}$ values thus determined over a range of degree of consolidation ( $10 - 90 %$ ) compare well with $c_{h}$ values obtained by the traditional direct use of the same existing theoretical solutions or charts.

Hyperbolic Fit Method for Interpretation of Piezocone Dissipation Tests

Chung, S. G. / Kweon, H. J. / Jang, W. Y.

Abstract

A simple hyperbolic equation is used to best fit measured piezocone pore pressure dissipation data. The same hyperbolic equation, albeit with slight differences in its coefficients, fits well the existing theoretical solutions/charts for piezocone dissipation response. Coefficient of consolidation $c_{h}$ can be conveniently expressed in terms of the hyperbolic parameters corresponding to the measured data and the existing solution charts. Field piezocone dissipation test data for Busan clay is successfully fitted using the provided hyperbolic equation. The $c_{h}$ values thus determined over a range of degree of consolidation ( $10 - 90 %$ ) compare well with $c_{h}$ values obtained by the traditional direct use of the same existing theoretical solutions or charts.

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Title:

Hyperbolic Fit Method for Interpretation of Piezocone Dissipation Tests

Contributors:

Chung, S. G. (author) / Kweon, H. J. (author) / Jang, W. Y. (author)

Published in:

Journal of Geotechnical and Geoenvironmental Engineering ; 140 ; 251-254

Publication date:

2013-05-16

Size:

42014-01-01 pages

ISSN:

1090-0241 , 1943-5606

DOI:

https://doi.org/10.1061/(ASCE)GT.1943-5606.0000967

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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