Probabilistic Description of a Clay Site using CPTU tests

Sarah Andersen, Kristoffer Lauridsen, Benjaminn Nordahl Nielsen, Lars Bo Ibsen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

A clay site at the harbour of Aarhus, where numerous cone penetration tests have been conducted, is assessed. The upper part of the soil deposit is disregarded, and only the clay sections are investigated. The thickness of the clay deposit varies from 5 to 6 meters, and is sliced into sections of 1 meter in thickness. For each slice, a map of the variation of the undrained shear strength is created through Kriging and the probability of finding weak zones in the deposit is calculated. This results in a description of the spatial variation of the undrained shear strength at the site. Making a geotechnical assessment of a site, using both the method for classifying soil behaviour types and applying statistics, yield a new level of information, and certainty about the estimates of the strength parameters which are the important outcome of such a site description.
Original languageEnglish
Title of host publicationNGM 2012 Proceedings : Proceedings of the 16th Nordic Geotechnical Meeting
Number of pages6
Volume1
PublisherDansk Geoteknisk Forening
Publication date2012
Pages55-60
ISBN (Print)978-87-89833-27-9
Publication statusPublished - 2012
EventThe Nordic Geotechnical Meeting - Copenhagen, Denmark
Duration: 9 May 201212 May 2012
Conference number: 16

Conference

ConferenceThe Nordic Geotechnical Meeting
Number16
CountryDenmark
CityCopenhagen
Period09/05/201212/05/2012

Fingerprint

clay
shear strength
cone penetration test
kriging
harbor
spatial variation
soil
test
statistics
parameter
method

Bibliographical note

Proceedings published in 2 volumes.
Benjaminn Nielsens name is misspelled in the article

Keywords

  • Site Investigation
  • Clays
  • Shear Strength
  • CPTU

Cite this

Andersen, S., Lauridsen, K., Nielsen, B. N., & Ibsen, L. B. (2012). Probabilistic Description of a Clay Site using CPTU tests. In NGM 2012 Proceedings: Proceedings of the 16th Nordic Geotechnical Meeting (Vol. 1, pp. 55-60). Dansk Geoteknisk Forening.
Andersen, Sarah ; Lauridsen, Kristoffer ; Nielsen, Benjaminn Nordahl ; Ibsen, Lars Bo. / Probabilistic Description of a Clay Site using CPTU tests. NGM 2012 Proceedings: Proceedings of the 16th Nordic Geotechnical Meeting. Vol. 1 Dansk Geoteknisk Forening, 2012. pp. 55-60
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Andersen, S, Lauridsen, K, Nielsen, BN & Ibsen, LB 2012, Probabilistic Description of a Clay Site using CPTU tests. in NGM 2012 Proceedings: Proceedings of the 16th Nordic Geotechnical Meeting. vol. 1, Dansk Geoteknisk Forening, pp. 55-60, The Nordic Geotechnical Meeting , Copenhagen, Denmark, 09/05/2012.

Probabilistic Description of a Clay Site using CPTU tests. / Andersen, Sarah ; Lauridsen, Kristoffer; Nielsen, Benjaminn Nordahl; Ibsen, Lars Bo.

NGM 2012 Proceedings: Proceedings of the 16th Nordic Geotechnical Meeting. Vol. 1 Dansk Geoteknisk Forening, 2012. p. 55-60.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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AU - Andersen, Sarah

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AB - A clay site at the harbour of Aarhus, where numerous cone penetration tests have been conducted, is assessed. The upper part of the soil deposit is disregarded, and only the clay sections are investigated. The thickness of the clay deposit varies from 5 to 6 meters, and is sliced into sections of 1 meter in thickness. For each slice, a map of the variation of the undrained shear strength is created through Kriging and the probability of finding weak zones in the deposit is calculated. This results in a description of the spatial variation of the undrained shear strength at the site. Making a geotechnical assessment of a site, using both the method for classifying soil behaviour types and applying statistics, yield a new level of information, and certainty about the estimates of the strength parameters which are the important outcome of such a site description.

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KW - Shear Strength

KW - CPTU

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Andersen S, Lauridsen K, Nielsen BN, Ibsen LB. Probabilistic Description of a Clay Site using CPTU tests. In NGM 2012 Proceedings: Proceedings of the 16th Nordic Geotechnical Meeting. Vol. 1. Dansk Geoteknisk Forening. 2012. p. 55-60