Technical notes

Introduction to Concrete Bridges examines the benefits of concrete bridges, including Aesthetics and Finishes, Sustainabilty and Environment, Durability and Maintenance, Precast vs In-situ Concrete. bridges in the UK.

Published: 2014
Pages: 5

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Examination of the initial parameters that might determine the best layout for a new bridge, including Articulation and Fixity, Joints and Bearings, Reinforced and Prestressed Concrete. Integral Bridges.

Published: 2014
Pages: 5

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Describes the basics of prestressing and the application to Pre-tensioned Bridges, Post-Tensioned Bridges and Partially Prestressed Bridges.

Published: 2014
Pages: 5

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Examines the selection process for the most suitable type of concrete bridge, which may be split into in-situ and precast options and considers the programme, risk and cost issues.

Published: 2014
Pages: 5

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Examines the various types of formwork and falsework needed to construct a concrete bridge.

Published: 2014
Pages: 5

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Examines the in-situ construction methods for various types of concrete bridge, including slab bridges, twin rib bridges, span by span box bridges and balanced cantilever bridges.

Published: 2014
Pages: 4

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Examines the precast construction methods for a bridge, including 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 and modular precast system with short shell segments.

Published: 2014
Pages: 5

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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. durability.

Published: 2014
Pages: 5

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Examines the various high performance concretes that might be used for concrete bridges, to make them either quicker and easier to build, or more economic. 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.

Published: 2014
Pages: 5

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Examines the detailing that is peculiar to concrete bridges. These need to consider buildability, durability, maintainability, safety, aesthetics and weather. To protect details within the concrete the characteristics of the concrete must also be specified, with due regard to site conditions. Such specifications will ensure that the bridge has a low maintenance working life.

Published: 2014
Pages: 5

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Examines the special types of concrete bridge – previous articles described all the in-situ, precast, arch and frame options. Concrete cable-stayed, extradosed and stressed ribbon bridges are all described below, together with the special features of concrete footbridges and railway bridges.

Published: 2014
Pages: 5

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Examines the long-term management of concrete bridges and looks at the inspection and assessment of the bridge over its entire life, where some maintenance might be required and some strengthening might be needed to upgrade the bridge to a new load configuration or revised layout.

Published: 2014
Pages: 5

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