Investigation of the Concentric Bracings Response Equipped with Lateral Restricted Local Fuse under Cyclic Loading

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Kachooee Ali

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Journal Paper

Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2021 | Volume:8 | Issue:4 Page(s): 185-213

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Information Journal Paper

Title

Investigation of the Concentric Bracings Response Equipped with Lateral Restricted Local Fuse under Cyclic Loading

Author(s)

Kachooee Ali | Issue Writer Certificate

Keywords

Steel structuresQ2

Concentric braceQ1

Local fuseQ1

DuctilityQ2

Energy dissipation capacityQ1

Loading capacityQ2

Abstract

Concentric bracings (CB) are one of the most prevalent lateral load bearing systems in Steel structures. These bracings have a remarkable lateral stiffness and strength, but their compressive buckling prevents them from being ductile and absorbing optimal energy. Consequently, in recent decades, researchers have conducted extensive studies to improve the concentric bracing behavior, which resulted in the development of different design and execution methods for concentric bracings. In this paper, by using numerical and experimental studies, a new method is proposed to improve the behavior of concentric bracings. In this method, a Local fuse (LF) is used along the brace. This fuse is restrained by auxiliary elements (AE) to prevent its local buckling under compressive load. This makes the brace behaves in a similar manner in both tensile and compressive cyclic loads, resulting in ductile behavior and highenergy absorption. In this study, by using numerical results, an investigation is done for proper position of the fuse along the braces and its optimal shape and length. In addition, an analytical study has been performed comparing the structural behavior of Concentric braces with LF-AE braces. The results have been demonstrated that LF-AE braces have better performance than Concentric braces.

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APA: Copy

Kachooee, Ali. (2021). Investigation of the Concentric Bracings Response Equipped with Lateral Restricted Local Fuse under Cyclic Loading. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 8(4 ), 185-213. SID. https://sid.ir/paper/394082/en

Vancouver: Copy

Kachooee Ali. Investigation of the Concentric Bracings Response Equipped with Lateral Restricted Local Fuse under Cyclic Loading. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2021;8(4 ):185-213. Available from: https://sid.ir/paper/394082/en

IEEE: Copy

Ali Kachooee, “Investigation of the Concentric Bracings Response Equipped with Lateral Restricted Local Fuse under Cyclic Loading,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 8, no. 4 , pp. 185–213, 2021, [Online]. Available: https://sid.ir/paper/394082/en

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