Author: Concrete Bridge Development Group (CBDG)
1 April 2014
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Concrete Bridge Development Group (CBDG)
The final article in this series examines the long-term management of concrete bridges. The inspection and assessment of a bridge over its entire life, the maintenance requirements and possible strengthening to upgrade the bridge to a new load configuration or revised layout are discussed.
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 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