Macillo, Vincenzo (2013) Special joint systems for aluminium structures: experimental tests and numerical models. [Tesi di dottorato]

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Item Type: Tesi di dottorato
Lingua: English
Title: Special joint systems for aluminium structures: experimental tests and numerical models
Creators:
CreatorsEmail
Macillo, Vincenzovincenzo.macillo@unina.it
Date: 2 April 2013
Number of Pages: 271
Institution: Università degli Studi di Napoli Federico II
Department: Ingegneria strutturale
Scuola di dottorato: Ingegneria civile
Dottorato: Ingegneria delle costruzioni
Ciclo di dottorato: 25
Coordinatore del Corso di dottorato:
nomeemail
Rosati, Lucianorosati@unina.it
Tutor:
nomeemail
Mazzolani, Federico Massimofmm@unina.it
Fiorino, Luigilfiorino@unina.it
Date: 2 April 2013
Number of Pages: 271
Uncontrolled Keywords: Aluminium structures, screwed joints, bolt-channel, experimental tests, numerical models
Settori scientifico-disciplinari del MIUR: Area 08 - Ingegneria civile e Architettura > ICAR/09 - Tecnica delle costruzioni
Date Deposited: 09 Apr 2013 18:59
Last Modified: 22 Jul 2014 10:26
URI: http://www.fedoa.unina.it/id/eprint/9444
DOI: 10.6092/UNINA/FEDOA/9444

Abstract

The wide choice of cross-sectional shapes obtainable by extrusion provides the possibility to individuate new joining solution for aluminium profiles. These joints, named “special” or “non-conventional” joints, are very competitive with respect to conventional solutions because of the possibility of rapid execution, optimization of parent material, treatments and machining reduction. For these reasons, the aluminium industry is very interested to enhance the knowledge about the structural behaviour of this joint typology. The work is focused on two different special joint systems: screw ports and bolt-channel joints. In particular, the first joint typology consists in a screw engaged in an open or closed slot of an extruded profile. The latter system consists in a track or channel section profile in which a bolt head, nuts or plates with threaded holes can be located. Special joints are used in several structural and non applications under low and moderate loads such as façades, door and window fixtures. But, in the last years, other structural applications like staircases, floors, pedestrian bridge, industrial furniture and shelves have been developed involving special joints. Nevertheless, very little literature is available for this system and no specifications are provided by aluminium structures codes. The main objective of this work is to overcome the lack of information about the mechanical behaviour of special joints. In order to evaluate the structural behaviour of such joint, a wide experimental campaign has been carried out. In addition, on the basis of experimental results, non-linear finite element models have been developed and calibrated.

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