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Structural Engineering and Mechanics Volume 11, Number 5, May 2001 , pages 469-484 DOI: https://doi.org/10.12989/sem.2001.11.5.469 |
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A study of continuous stem girder systems |
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Boksun Kim, Howard D. Wright and Roy Cairns(U.K.)
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| Abstract | ||
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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. | ||
| Address | ||
| 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 | ||