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A new improved type of friction connection: An experimental study
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-8353-9225
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
2017 (English)In: IABSE Conference, Vancouver 2017: Engineering the Future, Zürich, Switzerland: IABSE -International Association for Bridges and Structural Engineering , 2017, p. 214-221Conference paper, Published paper (Refereed)
Abstract [en]

Indenters in the slip planes of a bolted lap joint increase its load bearing capacity. In an experimental study, conducted at the Luleå University of Technology, Sweden, a part of the European R&D project PROLIFE, RFCS 2015-00025, indenters between two plates a) were loaded in compression and b) shear loaded in a lap joint. The load to press a 2.5 mm diameter stainless steel indenter 2.3 mm into the plates was 11 kN and the effective friction of the joint was improved. In a reference test with two shear planes and plain as rolled plates, no indenters and an M30 bolt pre-loaded to 320 kN, the joint slip resistance force was 54.5 kN and the effective friction coefficient μeff=0.09. For an identical arrangement but with 29 indenters per shear plane, the slip resistance was close to 250 kN and μeff was increased to 0.40, at the current Eurocode acceptable joint slip of 0.15 mm.

Place, publisher, year, edition, pages
Zürich, Switzerland: IABSE -International Association for Bridges and Structural Engineering , 2017. p. 214-221
National Category
Infrastructure Engineering Applied Mechanics
Research subject
Structural Engineering; Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-70269Scopus ID: 2-s2.0-85050035776ISBN: 978-3-85748-153-6 (electronic)OAI: oai:DiVA.org:ltu-70269DiVA, id: diva2:1237277
Conference
39th IABSE Symposium, Engineering the Future, Vancouver, Canada, Sept 21-23, 2017
Available from: 2018-08-08 Created: 2018-08-08 Last updated: 2018-08-08Bibliographically approved

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Varedian, MattiasCollin, PeterEriksson, Kjell

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