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Sustained load performance of adhesive fastening systems in concrete
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0001-9937-6072
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-0560-9355
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.
2017 (English)In: Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure / [ed] Jaap Bakker; Dan M Frangopol; Klaas van Breugel, Leiden: CRC Press/Balkema , 2017, 2365-2371 p.Conference paper, Published paper (Refereed)
Abstract [en]

Influence of several sustained loading levels and various in-service conditions on the long-term performance of adhesive bonded anchors are experimentally evaluated. Adhesive bonded anchors with 16 and 20 mm diameters were subjected to sustained load levels between approximately 23 and 70% of their mean ultimate short-term capacities. The creep deformation of tested adhesive anchors was monitored over approximately 28 years. The tested in-service conditions were indoor, outdoor, wetness (i.e. water on the surface of concrete) and presence in the concrete of salt additives. The tested adhesive anchors in the indoor conditions could carry sustained loads up to 47% of their mean ultimate short-term capacities. However, the adhesive anchors under outdoor environment showed larger creep deformations and failure occurred for anchors subjected to sustained loads higher than 23% of the anchors’ mean ultimate short-time capacities. Wet condition seemed to have no adverse effect on the anchors’ creep behavior, but caused corrosion of the steel in the anchors over time. Salt additives in concrete had negligible influence on the long-term performance and creep deformation of the tested adhesive anchors

Place, publisher, year, edition, pages
Leiden: CRC Press/Balkema , 2017. 2365-2371 p.
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63451Scopus ID: 2-s2.0-85018639337ISBN: 9781138028470 (print)OAI: oai:DiVA.org:ltu-63451DiVA: diva2:1096786
Conference
5th International Symposium on Life-Cycle Engineering, IALCCE 2016, Delft, Netherlands, 16-20 October 2016
Available from: 2017-05-19 Created: 2017-05-19 Last updated: 2017-11-24Bibliographically approved

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Nilforoush, RasoulElfgren, LennartNilsson, Martin

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