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Nonparametric Estimation of Undrained Shear Strength for Normally Consolidated Clays
Ng I.-T.; Yuen K.-V.; Dong L.
2016-02-17
Source PublicationMarine Georesources and Geotechnology
ISSN15210618 1064119X
Volume34Issue:2Pages:127-137
AbstractFor decades, various well-known empirical correlations have been established and commonly used to estimate the undrained shear strength of normally consolidated clays in geotechnical practice. However, there are still many contradictory cases regarding the validity of these correlations, so their applicability and reliability are questionable. In this study, an extensive geotechnical database for normally consolidated clays has been compiled. Next, a Bayesian nonparametric method is exploited to identify the most critical soil index properties in inferring the undrained shear strength and a new predictive model is proposed. Finally, the performance of the proposed predictive model is assessed and compared with two well-known correlations using an independent testing database. It confirms that the proposed model not only possesses high predictability, but also provides superior performance over other existing empirical correlations.
KeywordBayesian inference empirical correlation model selection nonparametric normally consolidated clays undrained shear strength
DOI10.1080/1064119X.2014.970305
URLView the original
Language英語
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Cited Times [WOS]:6   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Ng I.-T.,Yuen K.-V.,Dong L.. Nonparametric Estimation of Undrained Shear Strength for Normally Consolidated Clays[J]. Marine Georesources and Geotechnology,2016,34(2):127-137.
APA Ng I.-T.,Yuen K.-V.,&Dong L..(2016).Nonparametric Estimation of Undrained Shear Strength for Normally Consolidated Clays.Marine Georesources and Geotechnology,34(2),127-137.
MLA Ng I.-T.,et al."Nonparametric Estimation of Undrained Shear Strength for Normally Consolidated Clays".Marine Georesources and Geotechnology 34.2(2016):127-137.
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