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Reactive soil pressures along pile in frozen sand
University of Manitoba, Winnipeg.
University of Manitoba, Winnipeg.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
1991 (English)In: Journal of cold regions engineering, ISSN 0887-381X, E-ISSN 1943-5495, Vol. 5, no 4, p. 174-194Article in journal (Refereed) Published
Abstract [en]

A multistage, lateral, pile-load creep test is carried out in a frozen sand maintained at -3° C. The pile is a tubular pipe, 150 mm square and 1,800 mm long. A series of plate load cells is mounted along the primary bearing face of the pile. Application of lateral loads of 35, 65, and 115 kN result in attenuating creep, whereas a lateral load of 145 kN leads to accelerating creep. The immediate components of pile displacement increase approximately linearly with applied load, while the creep components increase exponentially. Generally, the soil reaction forces near the ground surface decrease as the result of pile creep, and those further down the pile increase. Moduli of horizontal subgrade reaction computed on the basis of the measured soil reaction forces and the pile displacement are found to vary with applied pressure and creep. Magnitudes based on immediate displacements range from 1 to 7.5 GN/m3, while those based on total displacements range from 0.3 to 2 GN/m3.

Place, publisher, year, edition, pages
1991. Vol. 5, no 4, p. 174-194
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-10363DOI: 10.1061/(ASCE)0887-381X(1991)5:4(174)Scopus ID: 2-s2.0-0026374694Local ID: 929d9c90-2b25-11dd-8657-000ea68e967bOAI: oai:DiVA.org:ltu-10363DiVA, id: diva2:983305
Note
Godkänd; 1991; 20080526 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Fransson, Lennart

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