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Construction of an undergroundrailway station in Istanbul

Putzmeister Concrete Pumps GmbH, 72631 Aichtal, Germany


An MXKD 50 on a 15 m lattice tower and a BSA 2110 HP D stationary concrete pump started work in February 2010 on the Marmaray tunnel section, which is being built using an open construction method. The base area of the excavation is approximately 300 m long and 35 m wide, and was divided into a total of 29 concreting sections for the concreting of the foundations. Each section – approx. 10 x 35 m and 2 m thick – is concreted using a monolithic method. About 120 m3 of concrete are installed in each layer with a thickness of approx. 40 cm. Hence an average of 650 m3 of concrete are installed for each of the 29 foundation sections.

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Putzmeister Concrete Pumps GmbH
Max-Eyth-Str. 10
72631 Aichtal, Germany
T +49 7127 599613
F +49 7127 599140

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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