Hysteretic performance of stainless steel double extended end-plate beam-to-column joints subject to cyclic loading

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Hysteretic performance of stainless steel double extended end-plate beam-to-column joints subject to cyclic loading. / Gao, J. D.; Du, X. X.; Yuan, H. X.; Theofanous, M.

In: Thin-Walled Structures, Vol. 164, 107787, 07.2021.

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@article{d3cd57acf5f34ff7a79a1ce0dfcd4b6a,
title = "Hysteretic performance of stainless steel double extended end-plate beam-to-column joints subject to cyclic loading",
abstract = "This paper focuses on the hysteretic performance of stainless steel beam-to-column joints with double extended end-plate connections under cyclic loading. Six full-scale joint specimens were fabricated, including three interior column joints and three exterior column joints. Two stainless steel grades — austenitic grade EN 1.4301 and duplex grade EN 1.4462, and one carbon steel grade Q345B were considered. A4-80 stainless steel bolts and grade 10.9 high strength steel bolts were employed to assemble the joint specimens. The cyclic loading tests were conducted using the loading protocol set in Chinese standard JGJ/T 101. The force versus displacement (F-Δ) hysteresis curves were recorded, and the failure modes, the ductility, the strength and stiffness degradation, and the energy dissipation capacity of the tested joints were analysed and discussed in detail. Empirical hysteresis models were developed and calibrated against the recorded hysteretic curves and energy dissipation capacities of the tested joints. The experimental results involving the initial rotational stiffness values and the moment resistances were further utilised to evaluate the accuracy of current design provisions codified in EN 1993-1-8, ANSI/AISC 358 and GB 51022. The comparison shows that the development of accurate design guidance accounting for the pronounced strain hardening of stainless steels is warranted.",
keywords = "Beam-to-column joint, Cyclic loading, Design method, Ductility, End-plate connection, Experimental test, Failure, Hysteretic performance, Stainless steel",
author = "Gao, {J. D.} and Du, {X. X.} and Yuan, {H. X.} and M. Theofanous",
note = "Funding Information: This study was supported by the Natural Science Foundation of Hubei Province, China (Grant no. 2018CFB441 ), National Natural Science Foundation of China (Grant no. 51508424 ) and the Fundamental Research Funds for the Central Universities, China (Grant no. 2042017gf0047 ). Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",
year = "2021",
month = jul,
doi = "10.1016/j.tws.2021.107787",
language = "English",
volume = "164",
journal = "Thin-Walled Structures",
issn = "0263-8231",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Hysteretic performance of stainless steel double extended end-plate beam-to-column joints subject to cyclic loading

AU - Gao, J. D.

AU - Du, X. X.

AU - Yuan, H. X.

AU - Theofanous, M.

N1 - Funding Information: This study was supported by the Natural Science Foundation of Hubei Province, China (Grant no. 2018CFB441 ), National Natural Science Foundation of China (Grant no. 51508424 ) and the Fundamental Research Funds for the Central Universities, China (Grant no. 2042017gf0047 ). Publisher Copyright: © 2021 Elsevier Ltd

PY - 2021/7

Y1 - 2021/7

N2 - This paper focuses on the hysteretic performance of stainless steel beam-to-column joints with double extended end-plate connections under cyclic loading. Six full-scale joint specimens were fabricated, including three interior column joints and three exterior column joints. Two stainless steel grades — austenitic grade EN 1.4301 and duplex grade EN 1.4462, and one carbon steel grade Q345B were considered. A4-80 stainless steel bolts and grade 10.9 high strength steel bolts were employed to assemble the joint specimens. The cyclic loading tests were conducted using the loading protocol set in Chinese standard JGJ/T 101. The force versus displacement (F-Δ) hysteresis curves were recorded, and the failure modes, the ductility, the strength and stiffness degradation, and the energy dissipation capacity of the tested joints were analysed and discussed in detail. Empirical hysteresis models were developed and calibrated against the recorded hysteretic curves and energy dissipation capacities of the tested joints. The experimental results involving the initial rotational stiffness values and the moment resistances were further utilised to evaluate the accuracy of current design provisions codified in EN 1993-1-8, ANSI/AISC 358 and GB 51022. The comparison shows that the development of accurate design guidance accounting for the pronounced strain hardening of stainless steels is warranted.

AB - This paper focuses on the hysteretic performance of stainless steel beam-to-column joints with double extended end-plate connections under cyclic loading. Six full-scale joint specimens were fabricated, including three interior column joints and three exterior column joints. Two stainless steel grades — austenitic grade EN 1.4301 and duplex grade EN 1.4462, and one carbon steel grade Q345B were considered. A4-80 stainless steel bolts and grade 10.9 high strength steel bolts were employed to assemble the joint specimens. The cyclic loading tests were conducted using the loading protocol set in Chinese standard JGJ/T 101. The force versus displacement (F-Δ) hysteresis curves were recorded, and the failure modes, the ductility, the strength and stiffness degradation, and the energy dissipation capacity of the tested joints were analysed and discussed in detail. Empirical hysteresis models were developed and calibrated against the recorded hysteretic curves and energy dissipation capacities of the tested joints. The experimental results involving the initial rotational stiffness values and the moment resistances were further utilised to evaluate the accuracy of current design provisions codified in EN 1993-1-8, ANSI/AISC 358 and GB 51022. The comparison shows that the development of accurate design guidance accounting for the pronounced strain hardening of stainless steels is warranted.

KW - Beam-to-column joint

KW - Cyclic loading

KW - Design method

KW - Ductility

KW - End-plate connection

KW - Experimental test

KW - Failure

KW - Hysteretic performance

KW - Stainless steel

UR - http://www.scopus.com/inward/record.url?scp=85104354101&partnerID=8YFLogxK

U2 - 10.1016/j.tws.2021.107787

DO - 10.1016/j.tws.2021.107787

M3 - Article

AN - SCOPUS:85104354101

VL - 164

JO - Thin-Walled Structures

JF - Thin-Walled Structures

SN - 0263-8231

M1 - 107787

ER -