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Low-cycle fatigue strength of steel piles under bending
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-8353-9225
2013 (English)In: Structural Engineering International, ISSN 1016-8664, E-ISSN 1683-0350, Vol. 23, no 3, p. 278-284Article in journal (Refereed) Published
Abstract [en]

Clamped abutment piles for integral abutment bridges experience both a compressive normal force and bending load cycles stemming from daily and yearly temperature variations. This paper describes experiments using full-scale models of clamped piles to demonstrate that a steel pipe pile can accommodate large inelastic deformations under strains six times greater than the yield strain for several hundred load cycles. This indicates that by permitting pile strains in excess of the yield strain (which is not permissible under most current design codes), integral abutment bridges could be erected with spans of up to 500 m and a projected service life of 120 years. The tests were carried out as a step towards the development of design rules for determining the capacity of piles for integral abutment bridges.

Place, publisher, year, edition, pages
2013. Vol. 23, no 3, p. 278-284
National Category
Building Technologies Infrastructure Engineering
Research subject
Steel Structures; Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-3214DOI: 10.2749/101686613X13439149156750ISI: 000322428000004Scopus ID: 2-s2.0-84896053429Local ID: 1037b2f8-f20d-495a-beef-e96b0e2a9858OAI: oai:DiVA.org:ltu-3214DiVA, id: diva2:976070
Note
Validerad; 2013; 20130905 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Pétursson, HansMöller, MikaelCollin, Peter

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