Finite element analysis of optimized brace angle for the diagrid structural system

Yong Jae Lee; Jintak Oh; Hussam Hassan Abdu; Young K. Ju

doi:10.1007/s13296-016-0086-8

Finite element analysis of optimized brace angle for the diagrid structural system

Yong Jae Lee, Jintak Oh, Hussam Hassan Abdu, Young K. Ju

School of Civil, Environmental and Architectural Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The Diagrid structural system is considered to be the best structural system for constructing free form structures, but it is also a very effective system for resisting lateral load. As a newly investigated structural system, its complicated node has not yet been completely investigated, and only minimal experimentation with the manufacturing and construction of the system has been conducted. Therefore, the construction cost of the diagrid structural system is still comparatively high. In this study, the cyclic performance of a diagrid node with an H-section brace is discussed with an emphasis on the welding methods, overlapped length, and diagrid angle. Details considering productivity were proposed, and their structural performance was assessed through experimental and analytical investigation.

Original language	English
Pages (from-to)	1355-1363
Number of pages	9
Journal	International Journal of Steel Structures
Volume	16
Issue number	4
DOIs	https://doi.org/10.1007/s13296-016-0086-8
Publication status	Published - 2016 Dec 1

Keywords

Analysis
Cyclic test
Diagrid
FEM

ASJC Scopus subject areas

Civil and Structural Engineering

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Cite this

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title = "Finite element analysis of optimized brace angle for the diagrid structural system",

abstract = "The Diagrid structural system is considered to be the best structural system for constructing free form structures, but it is also a very effective system for resisting lateral load. As a newly investigated structural system, its complicated node has not yet been completely investigated, and only minimal experimentation with the manufacturing and construction of the system has been conducted. Therefore, the construction cost of the diagrid structural system is still comparatively high. In this study, the cyclic performance of a diagrid node with an H-section brace is discussed with an emphasis on the welding methods, overlapped length, and diagrid angle. Details considering productivity were proposed, and their structural performance was assessed through experimental and analytical investigation.",

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AU - Lee, Yong Jae

AU - Oh, Jintak

AU - Abdu, Hussam Hassan

AU - Ju, Young K.

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N2 - The Diagrid structural system is considered to be the best structural system for constructing free form structures, but it is also a very effective system for resisting lateral load. As a newly investigated structural system, its complicated node has not yet been completely investigated, and only minimal experimentation with the manufacturing and construction of the system has been conducted. Therefore, the construction cost of the diagrid structural system is still comparatively high. In this study, the cyclic performance of a diagrid node with an H-section brace is discussed with an emphasis on the welding methods, overlapped length, and diagrid angle. Details considering productivity were proposed, and their structural performance was assessed through experimental and analytical investigation.

AB - The Diagrid structural system is considered to be the best structural system for constructing free form structures, but it is also a very effective system for resisting lateral load. As a newly investigated structural system, its complicated node has not yet been completely investigated, and only minimal experimentation with the manufacturing and construction of the system has been conducted. Therefore, the construction cost of the diagrid structural system is still comparatively high. In this study, the cyclic performance of a diagrid node with an H-section brace is discussed with an emphasis on the welding methods, overlapped length, and diagrid angle. Details considering productivity were proposed, and their structural performance was assessed through experimental and analytical investigation.

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