Author: Concrete Bridge Development Group (CBDG).
27 November 2014
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Concrete Bridge Development Group (CBDG).
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.
This second article from the Concrete Bridge Development Group’s technical committee, examines the initial parameters that might determine the best layout for a new bridge.
The various high performance concretes that might be used for concrete bridges, to make them either quicker and easier to build, or more economic are discussed. The advantages of high strength, lightweight, fibre reinforced and self-compacting concretes are described, together with the use of new materials that can replace steel for both reinforcement and prestressing.