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Structural Performance of Steel Pipe Tee-Junctions

[+] Author Affiliations
Theocharis Papatheocharis, Philip C. Perdikaris, Spyros A. Karamanos

University of Thessaly, Volos, Greece

Kalliopi Diamanti

EBETAM – MITREC S.A, Volos, Greece

George E. Varelis

University of Thessaly, Volos, GreecePDL Solutions (Europe) Ltd., Hexham, UK

Paper No. PVP2014-28846, pp. V008T08A020; 11 pages
  • ASME 2014 Pressure Vessels and Piping Conference
  • Volume 8: Seismic Engineering
  • Anaheim, California, USA, July 20–24, 2014
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4607-0
  • Copyright © 2014 by ASME


The behavior of steel pipe junctions (Tees) subjected to strong loading in the presence of internal pressure is examined in the present study. The analysis is based on a set of monotonic and cyclic out-of plane bending tests under constant and increasing amplitude displacement-controlled loading schemes leading to low-cycle fatigue failure.

Rigorous finite element models are developed to support the experiments, accounting for detailed dimensional measurements and material testing results obtained prior to testing. A parametric analysis is also conducted focusing on the effect of the geometrical characteristics on the overall junction behavior. The performance of the Tee-junctions with varying geometries under out-of plane bending, in-plane bending and axial loading is also examined numerically accounting for the presence of internal pressure.

Copyright © 2014 by ASME
Topics: Steel , Pipes , Junctions



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