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Correlations of SPT, CPT and DPL data for sandy soil in Tanzania
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Soil and Rock Mechanics.ORCID iD: 0000-0001-9615-4861
2015 (English)In: Geotechnical and Geological Engineering, ISSN 0960-3182, E-ISSN 1573-1529, Vol. 33, no 5, 1221-1233 p.Article in journal (Refereed) Published
Abstract [en]

In Tanzania, standard penetration test (SPT) is the most commonly used in situ test for foundation design site investigations. In an effort to increase the amount of geotechnical information at low cost, the quicker and much cheaper dynamic probing of light (DPL) hammer is sometimes performed along with SPT to supplement the expensive SPT. Nevertheless, the information gathered with DPL has been applicable only for site stratification. Recently, the static cone penetration test (CPT) has also been introduced in the country with a view to combining these methods in site investigations. In this study, side by side testing was performed with the three in situ methods and correlations established through regression analysis and arithmetic mean methods. Results indicate that DPL data correlate better with CPT than SPT data, with lower magnitudes of transformation uncertainty. The local SPT–CPT correlations compare fairly well to those in the literature. The established correlations extend the function of DPL data to analysis and design.

Place, publisher, year, edition, pages
2015. Vol. 33, no 5, 1221-1233 p.
Keyword [en]
SPT, CPT, DPL, Correlation, In situ tests
National Category
Geotechnical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-161272DOI: 10.1007/s10706-015-9897-1ISI: 000361522200006Scopus ID: 2-s2.0-84942193142OAI: oai:DiVA.org:kth-161272DiVA: diva2:794403
Note

QC 20160212

Available from: 2015-03-11 Created: 2015-03-11 Last updated: 2017-12-04Bibliographically approved
In thesis
1. In-situ Penetration as Alternative to Extensive Boreholes and Lab Testing for Exploration in Sandy Soils
Open this publication in new window or tab >>In-situ Penetration as Alternative to Extensive Boreholes and Lab Testing for Exploration in Sandy Soils
2015 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2015. x, 29 p.
Series
TRITA-JOB. LIC, ISSN 1650-951X ; 2026
National Category
Geotechnical Engineering
Identifiers
urn:nbn:se:kth:diva-161217 (URN)
Presentation
2015-03-11, Projekthallen, Brinellvägen 23, Stockholm, 13:00 (English)
Opponent
Supervisors
Funder
Sida - Swedish International Development Cooperation Agency
Note

QC 20150311

Available from: 2015-03-11 Created: 2015-03-10 Last updated: 2015-03-11Bibliographically approved

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Larsson, Stefan

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