Sensitivity Analysis of Connection Stiffness in Orthogonal Frames with End-Plate Connections

by N. Kishi, Muroran Inst of Tech, Muroran, Japan,
Y. Goto, Muroran Inst of Tech, Muroran, Japan,
W. F. Chen, Muroran Inst of Tech, Muroran, Japan,
K. G. Matsuoka, Muroran Inst of Tech, Muroran, Japan,

Abstract: According to AISC-LRFD specification (1986), two types of construction for steel frame structure can be assumed which are Type PR (partially restrained) and FR (fully restrained) constructions. Generally, the frame structure with connection composed of angles should be assumed as Type PR construction. On the other hand, end-plate connection types and welded connection type may be adopted as the connection type for Type FR construction. However end-plate connection types may not have always a big connection stiffness. In this paper, in order to establish the effective design procedure for frame with end-plate connection types, the rigidity level of connection stiffness and structural response for orthogonal frames with end-plate connection are discussed.

Subject Headings: Plates | Welded connections | Stiffening | Steel construction | Sensitivity analysis | Steel frames

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