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Studies on Fatigue Life of Typical Welded and Bolted Steel Structural Connections

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Advances in Structural Engineering
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Abstract

This paper presents the results of fatigue tests conducted on typical welded and bolted connections made of IS 2062: 2011 steel and conforming to selected Constructional Details categorised in IS 800: 2007. The connection types include: longitudinal and transverse butt welded connections, fillet welded cruciform connections with load-carrying and non-load-carrying welds, and bolted (double cover butt type) connections. The tests were carried out at various values of maximum stress which were decided as a percentage of the yield strength of the base material. The S–N data obtained were compared with the characteristic S–N curves recommended in IS 800: 2007. In the case of transverse butt welded joints, all specimens which were tested at a maximum stress value equal to 65 % of the yield strength of the material and above, and one out of the two specimens tested at a maximum stress value equal to 60 % of the yield strength of the material failed to satisfy the codal provisions. Two out of the three cruciform joints with load-carrying welds tested at a maximum stress value equal to 80 % of the yield strength of the material failed to satisfy the codal provisions. Bolted specimens which were tested at a maximum stress value equal to 60 % of the yield strength of the material and above failed to satisfy the codal provisions.

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References

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Acknowledgments

The authors thank Dr. Nagesh R. Iyer, Director and Dr. K. Ravisankar, Chief Scientist and Advisor (Management), CSIR-SERC, Chennai for the constant support and encouragement extended to them in their R&D activities. The assistance rendered by the technical staff of the Fatigue and Fracture Laboratory, CSIR-SERC in conducting the experimental investigations is gratefully acknowledged. This paper is published with the kind permission of the Director, CSIR-SERC, Chennai.

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Correspondence to G. Raghava .

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© 2015 Springer India

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Raghava, G., Vishnuvardhan, S., Saravanan, M., Gandhi, P. (2015). Studies on Fatigue Life of Typical Welded and Bolted Steel Structural Connections. In: Matsagar, V. (eds) Advances in Structural Engineering. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2187-6_182

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  • DOI: https://doi.org/10.1007/978-81-322-2187-6_182

  • Publisher Name: Springer, New Delhi

  • Print ISBN: 978-81-322-2186-9

  • Online ISBN: 978-81-322-2187-6

  • eBook Packages: EngineeringEngineering (R0)

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