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Structural performance of Steel Pipe Tee-Junctions


Theocharis Papatheocharis, University of Thessaly, Volos, Greece,                  

Kalliopi Diamanti, EBETAM-MIRTEC, Volos, Greece,

George E. Varelis, PDL Solutions (Europe) Ltd, Hexham, United Kingdom,

Philip C. Perdikaris, University of Thessaly, Volos, Greece,

Spyros A. Karamanos, University of Thessaly, Volos, Greece


Pressure Vessels & Piping Conference - PVP2014, ASME, Anaheim, California, USA.



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.

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Posted: 20th Aug 2015 in 'PDL Research and Collaboration'
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Keywords for: PDL Research and Collaboration | Structural performance of Steel Pipe Tee-Junctions

steel pipe junctions, Tees, strong loading, pressure,monotonic and cyclic out-of plane bending tests, amplitude displacement, finite element models, parametric analysis, geometrical characteristics, axial loading, PDL, PDL Group, PDL Solutions, reduce development costs, mitigate risk, engineering design analysis, consultancy services, Global dynamic analysis, Orcaflex, Finite Element Analysis, FEA, Computational Fluid Dynamics, CFD, Engineering Design, CAD, Multibody Dynamics, RecurDyn