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Simulation of low-cycle fatigue in integral abutment piles
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.
2007 (English)In: Improving Infrastructure Worldwide: IABSE symposium, Weimar 2007, [September 19 - 21, 2007] ; report / [ed] Ulrike Kuhlmann, Zürich: International Association for Bridge and Structural Engineering, 2007Conference paper, Published paper (Refereed)
Abstract [en]

Integral abutment bridges are bridges without any expansion joints, and their largest benefits are the lower construction- and maintenance costs. In order to build longer integral bridges it might be necessary to allow plastic hinges to be developed in the piles. Lateral thermal movements are the major reason to plastic deformations, and since temperature variations are cyclic it has to be proved that low-cycle fatigue will not occur. A simulation of the pile strain spectra should be able to take into account the strains caused by temperature variations and traffic loads. Such a model has been created from real temperature data and traffic loads measured by Bridge-Weigh-In-Motion technology. Monte Carlo simulations have been performed in order to simulate daily and annual temperature changes as well as the varying traffic loads. Piles strains have been calculated, and their fatigue effect has been evaluated.

Place, publisher, year, edition, pages
Zürich: International Association for Bridge and Structural Engineering, 2007.
Series
IABSE Report, 93
National Category
Infrastructure Engineering Building Technologies
Research subject
Structural Engineering; Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-38480Local ID: ce56adc0-780c-11dc-80da-000ea68e967bISBN: 978-385748-116-1 (print)OAI: oai:DiVA.org:ltu-38480DiVA: diva2:1011981
Conference
IABSE Symposium : 19/09/2007 - 21/09/2007
Note
Godkänd; 2007; 20071011 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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Hällmark, RobertCollin, PeterPetursson, HansJohansson, Bernt

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