Journal ArticleDOI
A study of continuous stem girder systems
TLDR
In this paper, a beam system consisting of two cantilever stems and an interspan composite beam has been developed and its design philosophy is described and two tests have been carried out on 6 meter span beams, which also incorporated an asymmetric flange steel section.Abstract:
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.read more
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The deformation of composite beams with discrete flexible connection
TL;DR: The use of partial interaction design in determining the number of shear connectors in a composite beam is now common as mentioned in this paper, and the use of more accurate methods of analyzing composite beams with discrete flexible connection may eventually lead to a reduction in the common design minimum of 50% interaction.