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Structural Engineering and Mechanics   Volume 11, Number 5, May 2001, pages 469-484
A study of continuous stem girder systems
Boksun Kim, Howard D. Wright and Roy Cairns(U.K.)

Abstract     [Buy Article]
    A new beam system comprising two cantilever stems and an interspan composite beam has
been developed and its design philosophy is described in this paper. The system provides the equivalent
of a semi-continuous beam without the requirement to calculate the moment rotation capacity of the
beam-to-column connection. The economy of braced frames using the system has been investigated and
compared with simple, continuous or semi-rigid systems. It is shown that the costs of the proposed system
are similar to the semi-rigid system and cheaper than both the simply supported and rigid beam systems.
Two tests have been carried out on 6 meter span beams, which also incorporated an asymmetric flange
steel section. The behaviour of the system is presented and the test results are compared with those
obtained from the theory.
Key Words
    continuous stem girder system (csgs); asymmetric steel section beam (asb); economy of braced frames; semi-rigid connection.
Boksun Kim, Scott Sutherland School of Architecture, Robert Gordon University, Garthdee Road, Aberdeen AB10 7QB, UK
Howard D Wright and Roy Cairns, Department of Civil Engineering, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, UK

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