Empirical Correlation for Estimating Shear-Wave Velocity from Cone Penetration Test Data for Banks Peninsula Loess Soils in Canterbury, New Zealand: Fid-Bau Portal

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Empirical Correlation for Estimating Shear-Wave Velocity from Cone Penetration Test Data for Banks Peninsula Loess Soils in Canterbury, New Zealand

McGann, Christopher R. / Bradley, Brendon A. / Jeong, Seokho

Seismic piezocone data obtained from Banks Peninsula loess soil sites in the Port Hills south of Christchurch, New Zealand, are used with multiple linear regression to develop a new Banks Peninsula loess-specific $CPT - V_{s}$ correlation for predicting shear wave velocity ( $V_{s}$ ) from cone penetration test (CPT) measurements. The need for this new correlation is demonstrated through comparisons with existing $CPT - V_{s}$ models, including a recently developed Christchurch-specific general soils model, with the loess $V_{s}$ measurements. It is shown that the existing general soil $CPT - V_{s}$ models tend to systematically underpredict the loess $V_{s}$ , and it is demonstrated that this underprediction is due to fundamental differences in how the properties of loess and general soil types affect both CPT measurements and shear-wave velocity, and that aging effects alone cannot account for the observed differences.

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Empirical Correlation for Estimating Shear-Wave Velocity from Cone Penetration Test Data for Banks Peninsula Loess Soils in Canterbury, New Zealand

McGann, Christopher R. / Bradley, Brendon A. / Jeong, Seokho

Seismic piezocone data obtained from Banks Peninsula loess soil sites in the Port Hills south of Christchurch, New Zealand, are used with multiple linear regression to develop a new Banks Peninsula loess-specific $CPT - V_{s}$ correlation for predicting shear wave velocity ( $V_{s}$ ) from cone penetration test (CPT) measurements. The need for this new correlation is demonstrated through comparisons with existing $CPT - V_{s}$ models, including a recently developed Christchurch-specific general soils model, with the loess $V_{s}$ measurements. It is shown that the existing general soil $CPT - V_{s}$ models tend to systematically underpredict the loess $V_{s}$ , and it is demonstrated that this underprediction is due to fundamental differences in how the properties of loess and general soil types affect both CPT measurements and shear-wave velocity, and that aging effects alone cannot account for the observed differences.

Empirical Correlation for Estimating Shear-Wave Velocity from Cone Penetration Test Data for Banks Peninsula Loess Soils in Canterbury, New Zealand

McGann, Christopher R. / Bradley, Brendon A. / Jeong, Seokho

Seismic piezocone data obtained from Banks Peninsula loess soil sites in the Port Hills south of Christchurch, New Zealand, are used with multiple linear regression to develop a new Banks Peninsula loess-specific $CPT - V_{s}$ correlation for predicting shear wave velocity ( $V_{s}$ ) from cone penetration test (CPT) measurements. The need for this new correlation is demonstrated through comparisons with existing $CPT - V_{s}$ models, including a recently developed Christchurch-specific general soils model, with the loess $V_{s}$ measurements. It is shown that the existing general soil $CPT - V_{s}$ models tend to systematically underpredict the loess $V_{s}$ , and it is demonstrated that this underprediction is due to fundamental differences in how the properties of loess and general soil types affect both CPT measurements and shear-wave velocity, and that aging effects alone cannot account for the observed differences.

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Title:

Empirical Correlation for Estimating Shear-Wave Velocity from Cone Penetration Test Data for Banks Peninsula Loess Soils in Canterbury, New Zealand

Contributors:

McGann, Christopher R. (author) / Bradley, Brendon A. (author) / Jeong, Seokho (author)

Published in:

Journal of Geotechnical and Geoenvironmental Engineering ; 144

Publication date:

2018-06-18

ISSN:

1090-0241 , 1943-5606

DOI:

https://doi.org/10.1061/(ASCE)GT.1943-5606.0001926

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

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