Global Fatigue Life Modelling of Steel Half-pipes Bolted Connections

Global Fatigue Life Modelling of Steel Half-pipes Bolted Connections

Jovašević, S. (Universidade de Coimbra)
Correia, J. A F O (Universidade do Porto; Universidade de Coimbra)
Pavlovic, M. (TU Delft Steel & Composite Structures)
Rebelo, C. (Universidade de Coimbra)
De Jesus, A. M P (Universidade do Porto)
Veljkovic, M. (TU Delft Steel & Composite Structures)
Da Silva, L. Simões (Universidade de Coimbra)

2016

A steel hybrid structural solution for onshore wind turbine towers was proposed in the European project SHOWTIME. This solution is used in the lattice structure for the lower portion of the tower. Recently, a procedure for fatigue life estimation of steel half-pipes bolted connections applied in global structural models using multiaxial Smith-Watson-Topper (SWT) criteria was proposed by Öztürk et al. In this paper a procedure for design S-N curve modelling of steel half-pipes bolted connections is proposed. This procedure is based on a local approach using multiaxial fatigue criteria together with an elastoplastic analysis using the finite element method. The materials to be used in this analysis are the S355 and S690 steels. This evaluation to be performed is calibrated with experimental results of fatigue tests of the connection under consideration.

Fatigue crack initiation
Finite element modelling
Half-pipes bolted connections
Multiaxial damage criterion

http://resolver.tudelft.nl/uuid:d27497de-81c7-403f-bf88-92b4f7bd5cf2

https://doi.org/10.1016/j.proeng.2016.08.891

1877-7058

Procedia Engineering, 160, 278-284

18th International Colloquium on Mechanical Fatigue of Metals, 2016-09-05 → 2016-09-07, Universidad Laboral , Gijón, Spain

Institutional Repository

journal article

© 2016 S. Jovašević, J. A F O Correia, M. Pavlovic, C. Rebelo, A. M P De Jesus, M. Veljkovic, L. Simões Da Silva