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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Design, Development and Use of the Concrete for the Superstructure of the Viaduct Section of the Docklands Light Railway Extension, London
Author(s): J.M. Best, S.R. Maynard, and E.A. Kay
Publication: Special Publication
Appears on pages(s): 1009-1026
Keywords: concrete; durability; precasting; railways; testing
Abstract:Design and construction of elements of Docklands Light Railway City Airport Extension in London are described. The scheme is 4.4km long and consists of sections at-grade, on embankment, on viaduct and in trough cuttings. Durability design was carried out to the new European Standard EN 206 and its British application document BS 8500. The paper concentrates on the concrete for the segments of the viaduct. A particular aspect of segment production was the need to meet high early strengths under winter working conditions in order to achieve 24 hour mould turn round and to meet the project schedule. In-situ strength for striking and lifting purposes was established by using the results of pull-out tests calibrated against cubes cured under the same conditions as the segments.
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