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Behaviour of stainless and high strength steel bolt assemblies at elevated temperatures - a review

Behaviour of stainless and high strength steel bolt assemblies at elevated temperatures - a review
Behaviour of stainless and high strength steel bolt assemblies at elevated temperatures - a review
This study documents important aspects of bolt assembly performance in structural steel connections at elevated temperatures that have not been the subject of detailed investigation to date. The codified strength reduction factors listed in the European and US standards are evaluated against experimental results obtained from the literature. It is concluded that the codified reduction factors should be updated as they are in many cases found to be non-conservative, particularly in the high temperature ranges. The effect of fire on the microstructure of steel bolts is also discussed, providing an insight into the roles that phase transformation and metallurgical failure play in the performance of high strength and stainless steel bolt assemblies at elevated temperatures. The study concludes by proposing a new reduction factor equation, based upon experimental results found in the literature.
Bolts, Connections, Eurocodes, Fire, High-strength steel, Metallurgical failure, Necking, Phase transformation, Reduction factor, Robustness, Stainless steel, Stripping, US codes
Shaheen, Mohamed
e7a4a38e-4c6c-41a6-96c1-fbaf6627ae3e
Foster, andrew
f5235d3d-f231-4246-9781-0c4c51b9fcff
Cunningham, lee
d1b0bc03-c55e-43b3-9a41-62761ebdc684
Afshan, Sheida
68dcdcac-c2aa-4c09-951c-da4992e72086
Shaheen, Mohamed
e7a4a38e-4c6c-41a6-96c1-fbaf6627ae3e
Foster, andrew
f5235d3d-f231-4246-9781-0c4c51b9fcff
Cunningham, lee
d1b0bc03-c55e-43b3-9a41-62761ebdc684
Afshan, Sheida
68dcdcac-c2aa-4c09-951c-da4992e72086

Shaheen, Mohamed, Foster, andrew, Cunningham, lee and Afshan, Sheida (2020) Behaviour of stainless and high strength steel bolt assemblies at elevated temperatures - a review. Fire Safety Journal, 113, [102975]. (doi:10.1016/j.firesaf.2020.102975).

Record type: Review

Abstract

This study documents important aspects of bolt assembly performance in structural steel connections at elevated temperatures that have not been the subject of detailed investigation to date. The codified strength reduction factors listed in the European and US standards are evaluated against experimental results obtained from the literature. It is concluded that the codified reduction factors should be updated as they are in many cases found to be non-conservative, particularly in the high temperature ranges. The effect of fire on the microstructure of steel bolts is also discussed, providing an insight into the roles that phase transformation and metallurgical failure play in the performance of high strength and stainless steel bolt assemblies at elevated temperatures. The study concludes by proposing a new reduction factor equation, based upon experimental results found in the literature.

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Behaviour of stainless and high strength steel bolt assemblies at elevated temperatures -A review - Accepted Manuscript
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Accepted/In Press date: 28 February 2020
e-pub ahead of print date: 2 March 2020
Published date: May 2020
Additional Information: Funding Information: This project is funded by a University of Manchester Dean’s Award Scholarship, whose sponsorship is gratefully acknowledged. Dr. Jonathan Gosaye Fida Kaba is duly acknowledged. Publisher Copyright: © 2020 Elsevier Ltd
Keywords: Bolts, Connections, Eurocodes, Fire, High-strength steel, Metallurgical failure, Necking, Phase transformation, Reduction factor, Robustness, Stainless steel, Stripping, US codes

Identifiers

Local EPrints ID: 439002
URI: http://eprints.soton.ac.uk/id/eprint/439002
PURE UUID: 2a45ea61-bf1f-4ec5-a400-287508f8455e
ORCID for Sheida Afshan: ORCID iD orcid.org/0000-0003-1048-2931

Catalogue record

Date deposited: 31 Mar 2020 16:31
Last modified: 06 Jun 2024 04:16

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Contributors

Author: Mohamed Shaheen
Author: andrew Foster
Author: lee Cunningham
Author: Sheida Afshan ORCID iD

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