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CPT data in relation to a general model for the undrained behaviour of homogeneous Swedish clays
Swedish Geotechnical Institute.
Swedish Geotechnical Institute.
Swedish Geotechnical Institute.
2010 (English)In: Proceedings of the 2nd International Symposium on Cone Penetration Testing, CPT'10, Huntington Beach, USA, May 9-11, 2010 / [ed] Robertson, PK, Mayne, PW, Huntington Beach: Organizing Committee of CPT´10 , 2010, Vol. 2, p. 145-152Conference paper, Published paper (Refereed)
Abstract [en]

The evaluation of undrained shear strength and preconsolidation pressure from CPT data in fine-grained soils is largely empirical. The evaluation is normally based on comparisons between the CPT data and results from other tests, such as triaxial tests, direct simple shear tests etc. Test results in Swedish clays indicate that the net cone resistance is primarily governed by the horizontal preconsolidation pressure. Assuming that this is the case, the different empirical correlations between net cone resistance and (1), the preconsolidation pressure from oedometer tests, (2) the undrained shear strength from tests different modes of shear, are in line with what can be expected with consideration to the general soil model for the behaviour of Swedish clays. This model has been elaborated using results from laboratory tests to describe, among other things, how the undrained shear strength varies with preconsolidation pressures, overconsolidation ratio, and the mode of undrained shear.

Place, publisher, year, edition, pages
Huntington Beach: Organizing Committee of CPT´10 , 2010. Vol. 2, p. 145-152
Keywords [en]
Clay, Cone penetrometer test, Shear strength, Preconsolidation, OCR, Undrained test, Model, Sweden, Conference, Huntington Beach, 2010, English
National Category
Geotechnical Engineering
Identifiers
URN: urn:nbn:se:swedgeo:diva-857Local ID: 000070589OAI: oai:DiVA.org:swedgeo-857DiVA, id: diva2:1363059
Conference
2nd International Symposium on Cone Penetration Testing, CPT'10, Huntington Beach, CA, USA, May 9-11, 2010
Available from: 2019-10-22 Created: 2019-10-22 Last updated: 2019-10-22

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  • apa
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