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A two-scale damage model for high-cycle fatigue at the fiber-reinforced polymer-concrete interface
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: 0000-0002-5154-7044
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
2016 (English)In: Computers and Concrete, ISSN 1598-8198, Vol. 116, p. 12-20Article in journal (Refereed) Published
Abstract [en]

This paper presents a new two-scale damage model of the fiber-reinforced polymer (FRP)-concrete bond under high-cycle fatigue. The material behavior is modeled as elastic-plastic coupled with damage for the microscale analysis and as elastic for the mesoscale analysis. A new damage law for the interface joint is described. The two-scale damage model has been implemented as a material model for a three dimensional an eight-node interface element of zero thickness and used to simulate a double shear joint specimen under high cycle fatigue. The numerical calculations were performed with a full incremental cycle solution and a new cycle jump approach. Comparing the results from the finite element method (FEM) model with experimental data shows that the model is capable of accurately predicting the cyclic fatigue loading slip response of the joint interface.

Place, publisher, year, edition, pages
2016. Vol. 116, p. 12-20
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4720DOI: 10.1016/j.finel.2016.03.003Local ID: 2b565140-f4cb-4fb0-b6b0-3732d2b1fcfbOAI: oai:DiVA.org:ltu-4720DiVA: diva2:977594
Note
Validerad; 2016; Nivå 2; 20150114 (mohsal)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Mahal, MohammedBlanksvärd, ThomasTäljsten, Björn
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