A STUDY OF THE CYCLIC BEHAVIOR OF SPECIAL STEEL MOMENT RESISTANCE WITH THE USE OF DOUBLE AND REVERSE ARC-SHAPED FUSE ON THE BEAM FLANGE

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ZAHRAI SEYED MEHDI; Mirghaderi Seyed Rasoul; SALEH ABOOZAR

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Journal: JOURNAL OF STRUCTURAL ENGINEERING Year:2016 | Volume:12 | Issue:4 Page(s): 9-20

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Title

A STUDY OF THE CYCLIC BEHAVIOR OF SPECIAL STEEL MOMENT RESISTANCE WITH THE USE OF DOUBLE AND REVERSE ARC-SHAPED FUSE ON THE BEAM FLANGE

Author(s)

ZAHRAI SEYED MEHDI | Mirghaderi Seyed Rasoul | SALEH ABOOZAR | Issue Writer Certificate

Keywords

STEEL MOMENT FRAMES CONNECTION

REDUCED BEAM SECTION

DOUBLE AND REVERSE ARC-SHAPED FUSE

NUMERICAL STUDY

Abstract

Unexpected brittle failure in steel rigid frame connections by concentrated tensions on the welded area and connection vulnerability in high ductility demands as occurred during the Northridge (1994) and Kobe (1995) has challenged ductility properties and ability to absorb seismic energy in this type of structural system. So in design of this type of structural system, creating ductility and ability to withstand cyclic large deformations is important. On this basis, in present study two new beam-to-column moment connections with REDUCED BEAM SECTION by double or reverse arc-shaped fuse are studied in capacity design approach. The arc-shaped fuse, by removing flange and a part of web and replacing double or reverse arc-shaped in the section bending of the beam, resulted in a ductile fuse away from beam-to-column connections components, which prevents connection vulnerability in high ductility demands. The purpose has been numerically studied by four numerical models under cyclic load using ABAQUS 6.10 finite element software. Obtained numerical results were compared with those of other studies. The numerical results show that arc-shaped fuse creates ductile fuses faraway from beam-to-column connection components and can satisfy acceptance conditions of special moment resistance connection based on AISC and FEMA. The arc-shaped fuse can increase drift story capacity up to 8% without any significant strength loss through increasing the out-of-plane stiffness of the beam longitudinal axis against lateral-torsional buckling. According to elastic flexural strength and stiffness of beam criteria, the reverse arc-shaped fuseisabetter choice than double arc-shaped fuse.

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APA: Copy

ZAHRAI, SEYED MEHDI, Mirghaderi, Seyed Rasoul, & SALEH, ABOOZAR. (2016). A STUDY OF THE CYCLIC BEHAVIOR OF SPECIAL STEEL MOMENT RESISTANCE WITH THE USE OF DOUBLE AND REVERSE ARC-SHAPED FUSE ON THE BEAM FLANGE. JOURNAL OF STRUCTURAL ENGINEERING, 12(4 ), 9-20. SID. https://sid.ir/paper/364185/en

Vancouver: Copy

ZAHRAI SEYED MEHDI, Mirghaderi Seyed Rasoul, SALEH ABOOZAR. A STUDY OF THE CYCLIC BEHAVIOR OF SPECIAL STEEL MOMENT RESISTANCE WITH THE USE OF DOUBLE AND REVERSE ARC-SHAPED FUSE ON THE BEAM FLANGE. JOURNAL OF STRUCTURAL ENGINEERING[Internet]. 2016;12(4 ):9-20. Available from: https://sid.ir/paper/364185/en

IEEE: Copy

SEYED MEHDI ZAHRAI, Seyed Rasoul Mirghaderi, and ABOOZAR SALEH, “A STUDY OF THE CYCLIC BEHAVIOR OF SPECIAL STEEL MOMENT RESISTANCE WITH THE USE OF DOUBLE AND REVERSE ARC-SHAPED FUSE ON THE BEAM FLANGE,” JOURNAL OF STRUCTURAL ENGINEERING, vol. 12, no. 4 , pp. 9–20, 2016, [Online]. Available: https://sid.ir/paper/364185/en

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