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Influence of operator performance on quality of CPTu results
Ramböll, Sweden.
NCC, Sweden.
Geosigma, Sweden.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.ORCID iD: 0000-0001-9615-4861
2016 (English)In: Challenges in Nordic Geotechnic, The Icelandic Geotechnical Society , 2016, 153-158 p.Conference paper (Refereed)
Abstract [en]

Cone penetration tests (CPT) is one of the most sophisticated geotechnical field investigations methods. As for all test methods, the CPT is associated with many uncertainties. However,there are two main sources that have aninfluence on the quality ofCPTumeasurements. One is the choice of equipment since different equipment differs in design and functionality.The other source relates tooperator performanceand incorrectexecutionof the methodas well as lack of competence to analyze the results.However, inorder to achieve satisfying results, the operator should be skilled, competent and well-educated. Some countries don’t have any formal education and in countries wereformal education doexist, the achieved quality ofresultsdoesquite frequentlystill come out unsatisfactory.This fact is seldom mentioned, but still a well-known fact amongst practicing geotechnicians.The objective of this paperis to discuss operator performance related factors and contribute to a better knowledgeof how important every single procedure contributes to the outcome as well as quality of the results.

Place, publisher, year, edition, pages
The Icelandic Geotechnical Society , 2016. 153-158 p.
Keyword [en]
CPT, operator performance, undrained shear strength
National Category
Geotechnical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-188139ISBN: 978-9935-24-002-6OAI: oai:DiVA.org:kth-188139DiVA: diva2:933607
Conference
Proceedings of the 17th Nordic Geotechnical Meeting
Note

QC 20160610

Available from: 2016-06-06 Created: 2016-06-06 Last updated: 2016-06-10Bibliographically approved

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http://www.ngm2016.com/uploads/2/1/7/9/21790806/018-065-ngm_2016_-_influence_of_operator_procedures_on_quality_of_cptu_results_kardan.pdf

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Larsson, Stefan
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Soil and Rock Mechanics
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