Author: P. Finnegan (Dublin City Council), P. M. Forde (DBFL Consulting Engineers, Dublin) and A. B. Hawkins (Engineering Geological Consultant, Bristol)
1 May 2014
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P. Finnegan (Dublin City Council), P. M. Forde (DBFL Consulting Engineers, Dublin) and A. B. Hawkins (Engineering Geological Consultant, Bristol)
This Technical Guidance Note describes how steel fibre reinforced concrete ground bearing slabs are designed. This is a relatively recent innovation that continues to evolve. As such, this note aims to motivate the design and development of steel fibre reinforced ground bearing slabs, based on the most up-to-date information available at the time of writing.
This final article in the composite part of this construction compendium looks at three aspects of construction; the provision of lateral restraint to the beams, whether the steelwork is propped and how the concrete is levelled.
In this article, the various types of formwork and falsework needed to construct a concrete bridge are examined. The choice of bridge type depends not only on the general parameters of the scheme (such as typical spans, overall deck area, clearance requirements, alignment and the overall aesthetic), but also on the particular and local parameters of the site, many of which are related to construction.