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End-plate connections in Bi-axial bending - Measurements

Tutkimustuotosvertaisarvioitu

Yksityiskohdat

AlkuperäiskieliEnglanti
Otsikko13th International Aluminium Conference, Sustainability, Durability and Structural Advantages,
AlaotsikkoINALCO 2016; Naples; Italy; 21 September 2016 through 23 September 2016
ToimittajatF. M. Mazzolani, A. Squillace, B. Faggiano, F. Bellucci
KustantajaTrans Tech Publications Ltd
Sivut275-280
Sivumäärä6
Vuosikerta710
ISBN (painettu)9783038356219
DOI - pysyväislinkit
TilaJulkaistu - 2016
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaInternational Aluminium Conference -
Kesto: 7 joulukuuta 2016 → …

Julkaisusarja

NimiKey Engineering Materials
Vuosikerta710
ISSN (painettu)1013-9826

Conference

ConferenceInternational Aluminium Conference
Ajanjakso7/12/16 → …

Tiivistelmä

In this paper we consider the measurements of bolted end-plate connections of tubular beams with cold-formed hollow rectangular aluminium sections. The motivation for these measurements originates from the fact that the aluminium standard (EN 1999-1-1) [1] does not cover the design of this very frequently used type of connection, where the bolts are located outside the edge-lines of the cross-section, i.e. corner bolts. Many tests and studies regarding this area have been conducted, but this paper brings value to the case where bi-axial bending is applied. The measurements have been carried out and the detailed results shall be shown. In this paper, we will focus on the six measurements where the tubular beams were bent uniaxially and biaxially to these limit points. The tests were stopped when the ultimate limit state was reached. In this case the connection never actually broke, but effectively the joint had lost its load bearing capacity. Some residual capacity still remained, but the displacements were too great resulting in a totally different behavior of the connection. The behavior of this connection is highly non-linear, since aluminium (AW 5754) as a material is strain hardening and the mechanism in the connection changes as the displacements increase.

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