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Fatigue testing of a bolted connection for buried flexible steel culverts
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-2833-4585
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-3030-9231
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.
2017 (English)In: Archives of Institute of Civil Engineering / [ed] Arkadiusz Madaj, Iwona Jankowiak, 2017, Vol. 23, p. 153-162Conference paper, Published paper (Refereed)
Abstract [en]

A fatigue assessment of steel structures based on the safe life approach requires a detail category representing the fatigue strength. For flexible culverts there are no matching details in the governing regulations. In this paper the testing and evaluation of the fatigue strength of a standardized bolted connection for steel culverts are presented. A test rig was designed to mimic the in-service conditions with a combination of bending moment and axial force. A total of ten specimens was tested to failure. The failure was governed cracks initiating at the indentations from the bolt heads and propagated towards the nearest edge. From the test results, an S-N curve has been derived suggesting a characteristic fatigue strength of 124 MPa at 2 million cycles and a slope of 5 in log-log scale.

Place, publisher, year, edition, pages
2017. Vol. 23, p. 153-162
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-219451OAI: oai:DiVA.org:kth-219451DiVA, id: diva2:1163178
Conference
Buried Flexible Steel Structures, 3rd European Conference
Note

QC 20171218

Available from: 2017-12-06 Created: 2017-12-06 Last updated: 2018-02-28Bibliographically approved

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Pettersson, Lars

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