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Manufacture of railway sleepers ofprestressed concrete using optimisedcompaction methods


Knauer Engineering GmbH, 82583 Geretsried, Germany

 


Normal railway sleepers – in Germany for example the type “B 70“ – and also crossing sleepers, are produced as prestressed and prefabricated concrete parts. The concrete which is poured into the sleeper moulds must be greatly compacted in order on the one hand to achieve the required strength and on the other to perfectly surround the reinforcement, which is in the form of pre-tensioned steel wires. Fig. 1 shows a new production process which was first used in Spain and which is supremely able to fulfil the high requirements as regards compaction.

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Knauer Engineering GmbH
Industrieanlagen & Co.
Elbestraße 11-13
82538 Geretsried, GERMANY
T +49 8171 62950
F +49 8171 64545
www.knauer.de
info@knauer.de


CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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