Author: Steel Construction Institute (SCI)
1 July 2014
First published: 1 July 2014
Standard: £9 + VAT
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Steel Construction Institute (SCI)
This month’s article from the CBDG’s Technical Committee examines the construction methods for the six basic types of precast concrete bridge: • Standard precast inverted T/Y, I or U beams • Bespoke precast T, I or U beams • Precast segmental box girders with short segments • Whole span precast box girders • Incrementally launched box girders • Modular precast system with short shell segments
Shear connection in steel-concrete composite beams has been the subject of some interest over recent years, with several international research groups reconsidering both the resistance and ductility of shear studs.
The provision of beams with web openings has become a common method of incorporating services within the structural depth of a floor. Although specialist software is available to design such beams, guidance regarding sizing, spacing and best practice is useful for engineers performing scheme design.