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The Crocodile Nose Connection: An Aesthetically Appealing Joint for CHS
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-9338-671X
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0001-6150-7241
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0003-4791-2341
2014 (English)In: Eurosteel 2014: 7th European Confernce on Steel and Composite Structures / [ed] Raffaele Landolfo; Frederico M. Mazzolani, Brussels, Belgium: European Convention for Constructional Steelwork, ECCS , 2014, p. 65-66Conference paper, Meeting abstract (Refereed)
Abstract [en]

The work carried out at LTU as a part of preparation for the experimental program of the so called Crocodile Nose (CN) connection, is presented. This work is performed in the framework of the RFCS-funded project "High Strength Steel Long Span Structures" (HILONG) that focuses on the development of applications of higher-strength steel grades for the longer spans. The advantage of this connection is in avoiding the classical abrupt right-angle termination of the CHS which, along with the protruding gusset plate, results in what is regarded by many architects as aesthetically unappealing joint. In a CN connection, the CHS member end is obliquely bevelled along two planes symmetric to its axis. On the lips of the resulting semi-elliptic cut-offs, appropriately cut cover plates are fillet-welded; past the tip of the member these are inflected and extend in parallel to the member axis forming a gap wherein a gusset plate is inserted. The inflected plates are bolted to the gusset thus securing the connection of the CHS to the other side without any eccentricity.Preliminary FE results of the crocodile nose experiments are shown

Place, publisher, year, edition, pages
Brussels, Belgium: European Convention for Constructional Steelwork, ECCS , 2014. p. 65-66
Keywords [en]
Circular hollow sections, steel connections, Engineering mechanics - Construction engineering
Keywords [sv]
Teknisk mekanik - Konstruktionsteknik
National Category
Building Technologies
Research subject
Steel Structures; Attractive built environment (AERI)
Identifiers
URN: urn:nbn:se:ltu:diva-39448Local ID: e3851900-4d27-4efb-bfe1-547fc9b52ce5ISBN: 978-92-9147-121-8 (print)OAI: oai:DiVA.org:ltu-39448DiVA, id: diva2:1012961
Conference
European Conference on Steel and Composite Structures : 10/09/2014 - 12/09/2014
Projects
High Strength Long Span Structures
Note
Godkänd; 2014; 20140812 (manpan)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2018-06-08Bibliographically approved

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Manoleas, PanagiotisKoltsakis, EfthymiosVeljkovic, Milan

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