Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints

Xiaoyi Lan; Jaap Wardenier; Cheol Ho Lee; Jeffrey A. Packer

doi:10.1007/978-981-96-4698-2_99

Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints

Xiaoyi Lan^*, Jaap Wardenier, Cheol Ho Lee, Jeffrey A. Packer

^*Corresponding author for this work

Steel & Composite Structures

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

In recent years, considerable research efforts have been devoted to rectangular hollow section (RHS) joints, aiming to re-examine suitability of codified design provisions for steel grades up to S460 and to extend the validity range beyond S460. Within the research framework of drafting the next-generation international design standard ISO 14346 for hollow section joints, this paper presents recent research advances and improved design methods for RHS joints under brace axial compression or tension, failing by essential failure modes. For chord sidewall failure, the representative modified IIW method and an alternate Lan-Kuhn method together with the subsequently proposed Kim-Lee method are compared and evaluated against existing test and numerical evidence. Further, an upper limit of the codified chord sidewall bearing length is proposed to avoid overestimations for thick-walled RHS joints. For interactive chord sidewall and chord face failure, more-suitable limiting beta ranges for the occurrence of this failure mode and a linear interpolation design method are suggested. Design rules and recommendations are then proposed for chord sidewall failure and interactive failure, which have been approved to be included in the next draft of ISO 14346.

Original language	English
Title of host publication	Proceedings of the 1st International Conference on Engineering Structures, ICES 2024
Editors	Jie Yang, Jiyang Fu, Airong Liu, Ching-Tai Ng
Publisher	Springer
Pages	1049-1059
Number of pages	11
ISBN (Print)	9789819646975
DOIs	https://doi.org/10.1007/978-981-96-4698-2_99
Publication status	Published - 2025
Event	1st International Conference on Engineering Structures, ICES 2024 - Guangzhou, China Duration: 8 Nov 2024 → 11 Nov 2024

Publication series

Name	Lecture Notes in Civil Engineering
Volume	599 LNCE
ISSN (Print)	2366-2557
ISSN (Electronic)	2366-2565

Conference

Conference	1st International Conference on Engineering Structures, ICES 2024
Country/Territory	China
City	Guangzhou
Period	8/11/24 → 11/11/24

Bibliographical note

Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl.

Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Brace axial loading
Design standard
Failure mode
Limit state
RHS joint

Access to Document

10.1007/978-981-96-4698-2_99

Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS JointsFinal published version, 433 KB

Cite this

Lan, X., Wardenier, J., Lee, C. H., & Packer, J. A. (2025). Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints. In J. Yang, J. Fu, A. Liu, & C.-T. Ng (Eds.), Proceedings of the 1st International Conference on Engineering Structures, ICES 2024 (pp. 1049-1059). (Lecture Notes in Civil Engineering; Vol. 599 LNCE). Springer. https://doi.org/10.1007/978-981-96-4698-2_99

Lan, Xiaoyi ; Wardenier, Jaap ; Lee, Cheol Ho et al. / Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints. Proceedings of the 1st International Conference on Engineering Structures, ICES 2024. editor / Jie Yang ; Jiyang Fu ; Airong Liu ; Ching-Tai Ng. Springer, 2025. pp. 1049-1059 (Lecture Notes in Civil Engineering).

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title = "Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints",

abstract = "In recent years, considerable research efforts have been devoted to rectangular hollow section (RHS) joints, aiming to re-examine suitability of codified design provisions for steel grades up to S460 and to extend the validity range beyond S460. Within the research framework of drafting the next-generation international design standard ISO 14346 for hollow section joints, this paper presents recent research advances and improved design methods for RHS joints under brace axial compression or tension, failing by essential failure modes. For chord sidewall failure, the representative modified IIW method and an alternate Lan-Kuhn method together with the subsequently proposed Kim-Lee method are compared and evaluated against existing test and numerical evidence. Further, an upper limit of the codified chord sidewall bearing length is proposed to avoid overestimations for thick-walled RHS joints. For interactive chord sidewall and chord face failure, more-suitable limiting beta ranges for the occurrence of this failure mode and a linear interpolation design method are suggested. Design rules and recommendations are then proposed for chord sidewall failure and interactive failure, which have been approved to be included in the next draft of ISO 14346.",

keywords = "Brace axial loading, Design standard, Failure mode, Limit state, RHS joint",

author = "Xiaoyi Lan and Jaap Wardenier and Lee, \{Cheol Ho\} and Packer, \{Jeffrey A.\}",

note = "Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. ; 1st International Conference on Engineering Structures, ICES 2024 ; Conference date: 08-11-2024 Through 11-11-2024",

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Lan, X, Wardenier, J, Lee, CH & Packer, JA 2025, Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints. in J Yang, J Fu, A Liu & C-T Ng (eds), Proceedings of the 1st International Conference on Engineering Structures, ICES 2024. Lecture Notes in Civil Engineering, vol. 599 LNCE, Springer, pp. 1049-1059, 1st International Conference on Engineering Structures, ICES 2024, Guangzhou, China, 8/11/24. https://doi.org/10.1007/978-981-96-4698-2_99

Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints. / Lan, Xiaoyi; Wardenier, Jaap; Lee, Cheol Ho et al.
Proceedings of the 1st International Conference on Engineering Structures, ICES 2024. ed. / Jie Yang; Jiyang Fu; Airong Liu; Ching-Tai Ng. Springer, 2025. p. 1049-1059 (Lecture Notes in Civil Engineering; Vol. 599 LNCE).

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

TY - GEN

T1 - Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints

AU - Lan, Xiaoyi

AU - Wardenier, Jaap

AU - Lee, Cheol Ho

AU - Packer, Jeffrey A.

N1 - Green Open Access added to TU Delft Institutional Repository as part of the Taverne amendment. More information about this copyright law amendment can be found at https://www.openaccess.nl. Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2025

Y1 - 2025

N2 - In recent years, considerable research efforts have been devoted to rectangular hollow section (RHS) joints, aiming to re-examine suitability of codified design provisions for steel grades up to S460 and to extend the validity range beyond S460. Within the research framework of drafting the next-generation international design standard ISO 14346 for hollow section joints, this paper presents recent research advances and improved design methods for RHS joints under brace axial compression or tension, failing by essential failure modes. For chord sidewall failure, the representative modified IIW method and an alternate Lan-Kuhn method together with the subsequently proposed Kim-Lee method are compared and evaluated against existing test and numerical evidence. Further, an upper limit of the codified chord sidewall bearing length is proposed to avoid overestimations for thick-walled RHS joints. For interactive chord sidewall and chord face failure, more-suitable limiting beta ranges for the occurrence of this failure mode and a linear interpolation design method are suggested. Design rules and recommendations are then proposed for chord sidewall failure and interactive failure, which have been approved to be included in the next draft of ISO 14346.

AB - In recent years, considerable research efforts have been devoted to rectangular hollow section (RHS) joints, aiming to re-examine suitability of codified design provisions for steel grades up to S460 and to extend the validity range beyond S460. Within the research framework of drafting the next-generation international design standard ISO 14346 for hollow section joints, this paper presents recent research advances and improved design methods for RHS joints under brace axial compression or tension, failing by essential failure modes. For chord sidewall failure, the representative modified IIW method and an alternate Lan-Kuhn method together with the subsequently proposed Kim-Lee method are compared and evaluated against existing test and numerical evidence. Further, an upper limit of the codified chord sidewall bearing length is proposed to avoid overestimations for thick-walled RHS joints. For interactive chord sidewall and chord face failure, more-suitable limiting beta ranges for the occurrence of this failure mode and a linear interpolation design method are suggested. Design rules and recommendations are then proposed for chord sidewall failure and interactive failure, which have been approved to be included in the next draft of ISO 14346.

KW - Brace axial loading

KW - Design standard

KW - Failure mode

KW - Limit state

KW - RHS joint

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SN - 9789819646975

T3 - Lecture Notes in Civil Engineering

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A2 - Fu, Jiyang

A2 - Liu, Airong

A2 - Ng, Ching-Tai

PB - Springer

T2 - 1st International Conference on Engineering Structures, ICES 2024

Y2 - 8 November 2024 through 11 November 2024

ER -

Recent Research Advances and Development of ISO 14346 Design Standard for Failure Modes of RHS Joints

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Keywords

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