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Axial behaviour of prestressed high strength steel tubular members

Axial behaviour of prestressed high strength steel tubular members
Axial behaviour of prestressed high strength steel tubular members

The axial behaviour of high strength steel tubular elements with internal prestressing cables, representing the chord members in prestressed trusses, is investigated herein. Experiments on tensile and compressive members were carried out, with the key variables examined being the steel grade (S460 and S690), the initial prestress level and the presence of grout. FE models were developed to replicate the experiments and generate parametric results. The presence of cables was shown to enhance the tensile load-carrying capacity of the members while the application of prestress extended the elastic range. In compression, prestressing was detrimental, and a modified Perry-Robertson design approach was examined.

997-1004
European Convention for Constructional Steelwork
Wang, Jie
6554e5ad-1ddd-485d-b954-89fee4685557
Afshan, Sheida
68dcdcac-c2aa-4c09-951c-da4992e72086
Gardner, Leroy
46d0a594-dc76-46be-854c-4bc0363b386b
Dubina, Dan
Ungureanu, Viorel
Wang, Jie
6554e5ad-1ddd-485d-b954-89fee4685557
Afshan, Sheida
68dcdcac-c2aa-4c09-951c-da4992e72086
Gardner, Leroy
46d0a594-dc76-46be-854c-4bc0363b386b
Dubina, Dan
Ungureanu, Viorel

Wang, Jie, Afshan, Sheida and Gardner, Leroy (2016) Axial behaviour of prestressed high strength steel tubular members. Dubina, Dan and Ungureanu, Viorel (eds.) In Proceedings of the International Colloquium on Stability and Ductility of Steel Structures, SDSS 2016. European Convention for Constructional Steelwork. pp. 997-1004 .

Record type: Conference or Workshop Item (Paper)

Abstract

The axial behaviour of high strength steel tubular elements with internal prestressing cables, representing the chord members in prestressed trusses, is investigated herein. Experiments on tensile and compressive members were carried out, with the key variables examined being the steel grade (S460 and S690), the initial prestress level and the presence of grout. FE models were developed to replicate the experiments and generate parametric results. The presence of cables was shown to enhance the tensile load-carrying capacity of the members while the application of prestress extended the elastic range. In compression, prestressing was detrimental, and a modified Perry-Robertson design approach was examined.

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More information

Published date: May 2016
Venue - Dates: International Colloquium on Stability and Ductility of Steel Structures, SDSS 2016, Timisoara, Romania, 2016-05-30 - 2016-06-01

Identifiers

Local EPrints ID: 429865
URI: https://eprints.soton.ac.uk/id/eprint/429865
PURE UUID: 31c549a2-5f35-43c6-992a-4167effd39ba

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Date deposited: 08 Apr 2019 16:30
Last modified: 27 May 2019 16:30

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Contributors

Author: Jie Wang
Author: Sheida Afshan
Author: Leroy Gardner
Editor: Dan Dubina
Editor: Viorel Ungureanu

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