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Permanent link (DOI): https://doi.org/10.7939/R30V89M28

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Detection of shear zones in a natural clay slope using the cone penetration test and continuous dynamic sampling Open Access

Descriptions

Author or creator
Mahmoud, M.
Woeller, D.
Robertson, P. K.
Additional contributors
Subject/Keyword
In situ testing
Case history
Shear zone
Slope stability
Cone penetration testing
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Abstract: The detection of shear zones along which a mass of soil is moving is essential for understanding the state of stability of natural slopes. Weaker zones in clay soils can be identified from low values of cone penetration test (CPT) tip resistance measured during penetration. This paper presents a case history illustrating the identification of softened shear zones in clay soils using the CPT and the observation of shear surfaces using continuous dynamic sampling (CDS). The analysis and interpretation of the CPT data are discussed in relation to the detection of shear surfaces using the CDS at a site with a history of slope instability. Difficulties encountered in identifying shear zones and detecting shear surfaces are discussed.
Date created
2000
DOI
doi:10.7939/R30V89M28
License information
Rights
© 2000 NRC Research Press (Canadian Science Publishing). This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
Citation for previous publication
Mahmoud M., Woeller, D., and Robertson, P.K. (2000). Detection of shear zones in a natural clay slope using the cone penetration test and continuous dynamic sampling. Canadian Geotechnical Journal, 37(3), 652-661. DOI: 10.1139/cgj-37-3-652.
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