Strength design against in-plane failure of Concrete-Filled Steel Tubular arches

Pi, YL; Bradford, MA; Liu, CY; Wang, YY

Strength design against in-plane failure of Concrete-Filled Steel Tubular arches

Pi, YL Bradford, MA Liu, CY Wang, YY

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Publication Type:: Conference Proceeding
Citation:: Tubular Structures XIII - Proceedings of the 13th International Symposium on Tubular Structures, 2010, pp. 615 - 622
Issue Date:: 2010-12-01

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Field	Value	Language
dc.contributor.author	Pi, YL	en_US
dc.contributor.author	Bradford, MA	en_US
dc.contributor.author	Liu, CY	en_US
dc.contributor.author	Wang, YY	en_US
dc.date.issued	2010-12-01	en_US
dc.identifier.citation	Tubular Structures XIII - Proceedings of the 13th International Symposium on Tubular Structures, 2010, pp. 615 - 622	en_US
dc.identifier.isbn	9780415584739	en_US
dc.identifier.uri	http://hdl.handle.net/10453/16351
dc.description.abstract	In current design practice, the philosophy for the strength design of reinforced and prestressed concrete arches is commonly adopted for Concrete-Filled Steel Tubular (CFST) arches. For this, the CFST arches are considered under axial or eccentric compression and are treated similarly to CFST columns. The strength design method for CSFT columns is associated with the classical buckling theory of CFST columns. However, under transverse loading, the buckling behaviour of CFST arches, particularly shallow CFST arches, is very different from that of CFST columns. In addition, transverse loading produces non-uniform compressive and bending actions in CFST arches. Hence, it is doubtful if the current method for the in-plane strength design can provide correct strength predictions for CSFT arches. This paper presents a method for the in-plane strength design of CFST circular arches using elastic-plastic finite element analyses. Lower-bound design equations for the in-plane strength check of CFST arches are proposed, and their predictions for the in-plane strength of CFST arches are compared with finite element results. © 2010 The University of Hong Kong.	en_US
dc.relation.ispartof	Tubular Structures XIII - Proceedings of the 13th International Symposium on Tubular Structures	en_US
dc.title	Strength design against in-plane failure of Concrete-Filled Steel Tubular arches	en_US
dc.type	Conference Proceeding
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Hong Kong	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US

Abstract:

In current design practice, the philosophy for the strength design of reinforced and prestressed concrete arches is commonly adopted for Concrete-Filled Steel Tubular (CFST) arches. For this, the CFST arches are considered under axial or eccentric compression and are treated similarly to CFST columns. The strength design method for CSFT columns is associated with the classical buckling theory of CFST columns. However, under transverse loading, the buckling behaviour of CFST arches, particularly shallow CFST arches, is very different from that of CFST columns. In addition, transverse loading produces non-uniform compressive and bending actions in CFST arches. Hence, it is doubtful if the current method for the in-plane strength design can provide correct strength predictions for CSFT arches. This paper presents a method for the in-plane strength design of CFST circular arches using elastic-plastic finite element analyses. Lower-bound design equations for the in-plane strength check of CFST arches are proposed, and their predictions for the in-plane strength of CFST arches are compared with finite element results. © 2010 The University of Hong Kong.

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