PSI - Issue 19

J. Rudolph et al. / Procedia Structural Integrity 19 (2019) 575–584 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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Acknowledgements

All contributors to the development of the fatigue assessment methods in EN 13445-3 and its recent amendments are acknowledged and their proposals and discussions are appreciated. References [1] Hobbacher, A.: Recommendations for fatigue design of welded joints and components. IIW document IIW-1823-07 ex XII-2151r4-07/XV-1254r4-07, 2008. [2] Hobbacher, A.: Recommendations for Fatigue Design of welded joints and components. International Institute of Welding document IIW document IIW-1823-07. Welding Research Council Bulletin 520, New York (2009). [3] Hobbacher, A.: Recommendations for Fatigue Design of Welded Joints and Components. Second Edition. IIW document IIW-2259-15 ex XIII-2460-13/XV-1440-13, revision of XIII-2151r4-07/XV-1254r4-07, Springer Cham Heidelberg New York Dordrecht London, 2016. [4] CEN/TC 54; EN 13445-3:2014/prA3:2015; 2015-10. Clause 18: „Detailed assessment of fatigue life“ Annex NA: „Instructions fo r determining structural hot- spot stress by finite element analysis using shell and brick elements“ Annex NB: „Cycle counting and determination of equivalent stress range” Annex NC: „Fatigue assessment of partial penetration welds” Annex ND: „Table of stress concentration factors Kt” [5] Rudolph, J.; Baylac, G.; Wilhelm, P.; Wintle, J.; Buennagel, E.: Recent Amendments of EN13445-3, Clause 18 and Related Annexes: Detailed Assessment of Fatigue Life. Proceedings of PVP2014. Paper No. PVP2014-28129. ASME Pressure Vessels & Piping Conference. July 20-24, 2014, Anaheim, California, USA. [6] Trieglaff, R.; Rudolph, J.; Beckert, M.; Hauser, F.: Comparison of Methods for Structural Stress Determination according to EN13445-3 Annex NA Proceedings of PVP2017. Paper No. PVP2017-66112. ASME Pressure Vessels & Piping Conference. July 16-20, 2017, Hawaii, USA. [7] Trieglaff, R.; Beckert, M.; Rudolph, J.; Friers, D.: Thermal Fatigue Evaluation Based on the Methods for Structural Stress Determination according to EN13445-3 Annex NA - Comparison with other Codes. Proceedings of PVP2018. Paper No. PVP2018-84904. ASME Pressure Vessels & Piping Conference. July 15-20, 2018, Prague, Czech Republic.

[8] Eurocode 3 - Design of steel structures - pr EN 1993. European Committee for Standardization, Brussels, 1992. [9] Baylac, G.; Koplewicz, D.: „Unfired pressure vessels" Background to the rules in Part 3 Design. UNM – Union de Normalisation de la Méchanique. Issue 2 – August 2004. [10]Niemi, E.; Fricke, W.; Maddox, S. J.: Fatigue Analysis of welded Components – Designer´s guide to the structural hot-spot stress approach. IIW-1430-00, first published 2006, reprinted 2011.

[11]Rudolph, J.; Rauth, M.; Weiß, E.: Modellgebundener Strukturspannungsnachweis für zyklisch beanspruchte Zylinder-Stutzen-Verbindungen ohne Schweißnahtnachbearbeitung. (Model dependent structural stress concept for cyclically loaded pipe T-joints without post weld treatment) TU-Zeitschrift 43 (2002), No. 6, pp. 19/26. [12]Haibach, E.: Die Schwingfestigkeit von Schweißverbindungen aus der Sicht einer örtlichen Beanspruchungsmessung. (The fatigue strength of welded joints considered on the basis of a local stress measurement). LBF Report FB77, Fraunhofer-Inst. für Betriebsfestigkeit Darmstadt, Germany (1968). [13]Rudolph, J.; Baylac, G.; Trieglaff, R.; Gawlick, R.; Krämer, M.; Simonet, Y.; Triay, M.: Outline of the recent consolidated revision of EN13445-3, clause 18 and related annexes: detailed assessment of fatigue life. Proceedings of PVP2019. Paper No. PVP2018-93910. ASME Pressure Vessels & Piping Conference. July 14-19, 2019, San Antonioe, Texas, USA.