LOW-CYCLE FATIGUE CYCLIC AND PSD TESTING OF A TWO-STOREY MOMENT RESISTING STEEL FRAME WITH BEAM-TO-COLUMN WELDED CONNECTIONS

The experimental campaign carried out at the European Laboratory for Structural Assessment of the Joint Research Centre at Ispra in a two-storey steel frame is presented herein. The experimental activity is part of the Environmental and Climate SteelQuake Project, for the assessment of the low-cycle...

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Bibliographic Details
Published in:Journal of earthquake engineering : JEE 2000-10, Vol.4 (4), p.437-477
Main Authors: TAUCER, FABIO, NEGRO, PAOLO, COLOMBO, ANTONELLA
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Earthquakes, seismology
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
fatigue
Internal geophysics
Low-cycle fatigue
pseudodynamic testing
steel welded connections
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Summary:The experimental campaign carried out at the European Laboratory for Structural Assessment of the Joint Research Centre at Ispra in a two-storey steel frame is presented herein. The experimental activity is part of the Environmental and Climate SteelQuake Project, for the assessment of the low-cycle fatigue behaviour of steel beam-to-column welded connections of beams noncomposite with the slab in the location of the plastic hinges. The description of the mock-up, the testing apparatus and the relative instrumentation for measuring displacements, forces and deformations is presented. Pseudo-dynamic and cyclic tests were performed and the corresponding results are presented at the structure and connection levels in terms of the absolute and accumulated plastic ductilities in relation to the failure events of the welded connections. The importance of the panel zone in contributing towards the total rotation of the connection is highlighted.
ISSN:1363-2469
1559-808X
DOI:10.1080/13632460009350379