EXPERIMENTAL INVESTIGATION OF PLASTIC ROTATION CAPACITY IN RIB REINFORCED MOMENT CONNECTION

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GERAMI M.; AZADI S.

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Journal: Modeling in Engineering Year:2009 | Volume:7 | Issue:17 Page(s): 0-0

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Title

EXPERIMENTAL INVESTIGATION OF PLASTIC ROTATION CAPACITY IN RIB REINFORCED MOMENT CONNECTION

Author(s)

GERAMI M. | AZADI S. | Issue Writer Certificate

Keywords

PLASTIC ROTATIONQ3

RIB REINFORCED MOMENT CONNECTIONSQ3

SPECIAL MOMENT RESISTING FRAMESQ3

Abstract

Following unexpected failures of beam to column welded moment connections in more than 100 steel moment frames during 1994 Northridge California earthquake, widespread research program started in united states to inspect the reasons of these failures and find solutions to them. The result of these investigations suggested that the main reason for these failures was the lack of PLASTIC ROTATION capacity in welded connections. Following these researches, different types of moment connections and their improved details were proposed for using in special moment frames to provide minimum required PLASTIC ROTATION capacity and desirable plastic behavior. To ensure plastic hinge formation in desired location in beam span and achieve proper PLASTIC ROTATION capacity in suggested connections, one of the two strategies of “connection strengthening” or “local weakening of the beam section” was mainly adopted. RIB REINFORCED MOMENT CONNECTIONS are one of the new connection types designed and suggested by “connection strengthening” strategy. This article reviews RIB REINFORCED MOMENT CONNECTIONS cyclic behavior and particular issues about these connections including strut action and inaccuracy of beam classical theory predictions in the rib area. Finally, it has been resulted that RIB REINFORCED MOMENT CONNECTIONS PLASTIC ROTATION capacity in steel moment frames is quite suitable and this connections are able to achieve PLASTIC ROTATION of 0.03 radian and higher.

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APA: Copy

GERAMI, M., & AZADI, S.. (2009). EXPERIMENTAL INVESTIGATION OF PLASTIC ROTATION CAPACITY IN RIB REINFORCED MOMENT CONNECTION. JOURNAL OF MODELING IN ENGINEERING, 7(17), 0-0. SID. https://sid.ir/paper/356694/en

Vancouver: Copy

GERAMI M., AZADI S.. EXPERIMENTAL INVESTIGATION OF PLASTIC ROTATION CAPACITY IN RIB REINFORCED MOMENT CONNECTION. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2009;7(17):0-0. Available from: https://sid.ir/paper/356694/en

IEEE: Copy

M. GERAMI, and S. AZADI, “EXPERIMENTAL INVESTIGATION OF PLASTIC ROTATION CAPACITY IN RIB REINFORCED MOMENT CONNECTION,” JOURNAL OF MODELING IN ENGINEERING, vol. 7, no. 17, pp. 0–0, 2009, [Online]. Available: https://sid.ir/paper/356694/en

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