Variation of Measured CPTu Data

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Variation of Measured CPTu Data. / Knuuti, Mika ; Länsivaara, Tim.

Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR). ed. / Jianye Ching; Dian-Qing Li; Jie Zhang. Singapore : RESEARCH PUBLISHING SERVICES, 2019. p. 164-169.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

Harvard

Knuuti, M & Länsivaara, T 2019, Variation of Measured CPTu Data. in J Ching, D-Q Li & J Zhang (eds), Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR). RESEARCH PUBLISHING SERVICES, Singapore, pp. 164-169, International Symposium on Geotechnical Safety and Risk, 1/01/00. https://doi.org/10.3850/978-981-11-2725-0 IS15-1-cd

APA

Knuuti, M., & Länsivaara, T. (2019). Variation of Measured CPTu Data. In J. Ching, D-Q. Li, & J. Zhang (Eds.), Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR) (pp. 164-169). Singapore: RESEARCH PUBLISHING SERVICES. https://doi.org/10.3850/978-981-11-2725-0 IS15-1-cd

Vancouver

Knuuti M , Länsivaara T. Variation of Measured CPTu Data. In Ching J, Li D-Q, Zhang J, editors, Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR). Singapore: RESEARCH PUBLISHING SERVICES. 2019. p. 164-169 https://doi.org/10.3850/978-981-11-2725-0 IS15-1-cd

Author

Knuuti, Mika ; Länsivaara, Tim. / Variation of Measured CPTu Data. Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR). editor / Jianye Ching ; Dian-Qing Li ; Jie Zhang. Singapore : RESEARCH PUBLISHING SERVICES, 2019. pp. 164-169

Bibtex - Download

@inproceedings{2a8a9a9531b74ce18ce7412c39bebfde,

title = "Variation of Measured CPTu Data",

abstract = "Tampere University (TAU) has implemented an extensive research program for soil testing in Finland. This research project aims firstly to collect data from high quality in-situ and laboratory tests to form a large database on soft Finnish clays. Secondly, the focus has been to derive CPTu correlations for the strength and deformation properties specific to Finnish clays. The collected database is used in this study to investigate the variability in CPTu borings made into soft Finnish clays, in order to evaluate the measurement uncertainty in CPTu tests. Four different clay sites, each containing three CPTu borings, were chosen from the database. The variability in measured cone tip resistance and pore pressure have been analyzed for each CPTu boring. The results show that the repeatability of the CPTu is very good and the obtained coefficient of variations (COV) for separate borings as well as each site are moderately low. This indicates low measurement uncertainty in measured CPTu data, when the tests are done with care.",

author = "Mika Knuuti and Tim L{\"a}nsivaara",

year = "2019",

month = "12",

day = "11",

doi = "10.3850/978-981-11-2725-0 IS15-1-cd",

language = "English",

pages = "164--169",

editor = "Jianye Ching and Dian-Qing Li and Jie Zhang",

booktitle = "Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR)",

publisher = "RESEARCH PUBLISHING SERVICES",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - Variation of Measured CPTu Data

AU - Knuuti, Mika

AU - Länsivaara, Tim

PY - 2019/12/11

Y1 - 2019/12/11

N2 - Tampere University (TAU) has implemented an extensive research program for soil testing in Finland. This research project aims firstly to collect data from high quality in-situ and laboratory tests to form a large database on soft Finnish clays. Secondly, the focus has been to derive CPTu correlations for the strength and deformation properties specific to Finnish clays. The collected database is used in this study to investigate the variability in CPTu borings made into soft Finnish clays, in order to evaluate the measurement uncertainty in CPTu tests. Four different clay sites, each containing three CPTu borings, were chosen from the database. The variability in measured cone tip resistance and pore pressure have been analyzed for each CPTu boring. The results show that the repeatability of the CPTu is very good and the obtained coefficient of variations (COV) for separate borings as well as each site are moderately low. This indicates low measurement uncertainty in measured CPTu data, when the tests are done with care.

AB - Tampere University (TAU) has implemented an extensive research program for soil testing in Finland. This research project aims firstly to collect data from high quality in-situ and laboratory tests to form a large database on soft Finnish clays. Secondly, the focus has been to derive CPTu correlations for the strength and deformation properties specific to Finnish clays. The collected database is used in this study to investigate the variability in CPTu borings made into soft Finnish clays, in order to evaluate the measurement uncertainty in CPTu tests. Four different clay sites, each containing three CPTu borings, were chosen from the database. The variability in measured cone tip resistance and pore pressure have been analyzed for each CPTu boring. The results show that the repeatability of the CPTu is very good and the obtained coefficient of variations (COV) for separate borings as well as each site are moderately low. This indicates low measurement uncertainty in measured CPTu data, when the tests are done with care.

U2 - 10.3850/978-981-11-2725-0 IS15-1-cd

DO - 10.3850/978-981-11-2725-0 IS15-1-cd

M3 - Conference contribution

SP - 164

EP - 169

BT - Proceedings of the 7th International Symposium on Geotechnical Safety and Risk (ISGSR)

A2 - Ching, Jianye

A2 - Li, Dian-Qing

A2 - Zhang, Jie

PB - RESEARCH PUBLISHING SERVICES

CY - Singapore

ER -

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