Author: Concrete Bridge Development Group (CBDG)
1 April 2014
First published: 1 April 2014
Standard: £9 + VAT
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Concrete Bridge Development Group (CBDG)
This article examines the various methods for the design and construction of concrete arches, frames, tunnels and jacked boxes, which cover the whole range of bridges from the smallest culverts to the largest concrete spans in the world.
This article examines the prestressing for a concrete bridge. Prestressing enhances the capacity of a member that is weak in tension, but strong in compression. It effectively creates a new material that is strong in tension. A prestressed bridge has much less steel to be handled, which reduces congestion, leading to easier and quicker concrete placing.
This article examines the detailing that is particular to a concrete bridge. All details need to consider buildability, durability and maintainability, as well as safety and aesthetic issues.