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Engineering Journal Article Downloads → Moments on Beam-Columns with Flexible Connections in Braced Frames
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The theoretical behavior of beam-columns in braced frames with AISC Type 2 connections is examined here to determine the validity of ignoring eccentricity in the design of columns with flexible connections. The AISC Specification for the Design, Fabrication and Erection of Structural Steel for Buildings5 is not specific on whether eccentricity should be considered, but the British Standard 449 has specific requirements on the eccentricity to be taken. Neither specification provides any relief for restraint offered by the flexible connection as shown in Fig. 1, nor for the stiffness due to the difference in loading of an upper and lower column, continuous through two floors. This paper is a revised version of the one presented at the Structural Stability Research Council's 1986 Technical Session in Washington, D.C.