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Behaviour of duplex stainless steel bolted connections

Authorized Users Only
2021
Authors
Dobrić, Jelena
Yancheng, Cai
Young, Ben
Rossi, Barbara
Article (Accepted Version)
,
2021 Elsevier Ltd.
Metadata
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Abstract
This study deals with the behaviour of duplex stainless steel bolted connections. The aim of the study is torespond to the question if the current stainless steel design specifications are able to predict the behaviourof such connections. Firstly, the net cross-section capacity of duplex stainless steel plates subjected to tensileloading are presented. They were conducted to obtain the stress–strain curves and tensile fracture behaviourused to support the finite element (FE) fracture simulations. Secondly, nonlinear FE models are developedfor duplex stainless steel bolted connections subjected to tensile loading. The FE models are validated againstexperimental data in terms of load–displacement curves, failure modes and ultimate loads. Then, a numericalparametric study that consists of 133 duplex stainless steel grade EN 1.4162 bolted connection specimens iscarried out. The failure modes of bolted connections are carefully examined, including combined tear out andbearing, bearing and n...et section, looking at the influence of parameters such as end distance, edge distance andspacing between the bolts in the connections. The results are compared to the design rules prescribed in thecurrent stainless steel design specifications. Generally, it is found that the Australian/New Zealand (AS/NZS),American (SEI/ASCE) Specification and European codes conservatively predict the ultimate strengths of thebolted connections, whereas the strengths predicted by the AS/NZS and SEI/ASCE specifications are overallmore accurate and less scattered.

Keywords:
Stainless steel / Bolted connections / Net section failure / Bearing failure / Block tearing failure / Finite element modeling / Design
Source:
Thin-Walled Structures, 2021, 169
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200092 (University of Belgrade, Faculty of Civil Engineering) (RS-200092)

DOI: 10.1016/j.tws.2021.108380

ISSN: 0263-8231

WoS: 000703609000002

[ Google Scholar ]
URI
https://grafar.grf.bg.ac.rs/handle/123456789/2398
Collections
  • Катедра за материјале и конструкције
  • Radovi istraživača / Researcher's publications
Institution/Community
GraFar
TY  - JOUR
AU  - Dobrić, Jelena
AU  - Yancheng, Cai
AU  - Young, Ben
AU  - Rossi, Barbara
PY  - 2021
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2398
AB  - This study deals with the behaviour of duplex stainless steel bolted connections. The aim of the study is torespond to the question if the current stainless steel design specifications are able to predict the behaviourof such connections. Firstly, the net cross-section capacity of duplex stainless steel plates subjected to tensileloading are presented. They were conducted to obtain the stress–strain curves and tensile fracture behaviourused to support the finite element (FE) fracture simulations. Secondly, nonlinear FE models are developedfor duplex stainless steel bolted connections subjected to tensile loading. The FE models are validated againstexperimental data in terms of load–displacement curves, failure modes and ultimate loads. Then, a numericalparametric study that consists of 133 duplex stainless steel grade EN 1.4162 bolted connection specimens iscarried out. The failure modes of bolted connections are carefully examined, including combined tear out andbearing, bearing and net section, looking at the influence of parameters such as end distance, edge distance andspacing between the bolts in the connections. The results are compared to the design rules prescribed in thecurrent stainless steel design specifications. Generally, it is found that the Australian/New Zealand (AS/NZS),American (SEI/ASCE) Specification and European codes conservatively predict the ultimate strengths of thebolted connections, whereas the strengths predicted by the AS/NZS and SEI/ASCE specifications are overallmore accurate and less scattered.
T2  - Thin-Walled Structures
T1  - Behaviour of duplex stainless steel bolted connections
IS  - 169
DO  - 10.1016/j.tws.2021.108380
ER  - 
@article{
author = "Dobrić, Jelena and Yancheng, Cai and Young, Ben and Rossi, Barbara",
year = "2021",
abstract = "This study deals with the behaviour of duplex stainless steel bolted connections. The aim of the study is torespond to the question if the current stainless steel design specifications are able to predict the behaviourof such connections. Firstly, the net cross-section capacity of duplex stainless steel plates subjected to tensileloading are presented. They were conducted to obtain the stress–strain curves and tensile fracture behaviourused to support the finite element (FE) fracture simulations. Secondly, nonlinear FE models are developedfor duplex stainless steel bolted connections subjected to tensile loading. The FE models are validated againstexperimental data in terms of load–displacement curves, failure modes and ultimate loads. Then, a numericalparametric study that consists of 133 duplex stainless steel grade EN 1.4162 bolted connection specimens iscarried out. The failure modes of bolted connections are carefully examined, including combined tear out andbearing, bearing and net section, looking at the influence of parameters such as end distance, edge distance andspacing between the bolts in the connections. The results are compared to the design rules prescribed in thecurrent stainless steel design specifications. Generally, it is found that the Australian/New Zealand (AS/NZS),American (SEI/ASCE) Specification and European codes conservatively predict the ultimate strengths of thebolted connections, whereas the strengths predicted by the AS/NZS and SEI/ASCE specifications are overallmore accurate and less scattered.",
journal = "Thin-Walled Structures",
title = "Behaviour of duplex stainless steel bolted connections",
number = "169",
doi = "10.1016/j.tws.2021.108380"
}
Dobrić, J., Yancheng, C., Young, B.,& Rossi, B.. (2021). Behaviour of duplex stainless steel bolted connections. in Thin-Walled Structures(169).
https://doi.org/10.1016/j.tws.2021.108380
Dobrić J, Yancheng C, Young B, Rossi B. Behaviour of duplex stainless steel bolted connections. in Thin-Walled Structures. 2021;(169).
doi:10.1016/j.tws.2021.108380 .
Dobrić, Jelena, Yancheng, Cai, Young, Ben, Rossi, Barbara, "Behaviour of duplex stainless steel bolted connections" in Thin-Walled Structures, no. 169 (2021),
https://doi.org/10.1016/j.tws.2021.108380 . .

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