Fly Ash in Concrete – new Challenges

Fly ash has been used in the production of concrete for more than 50 years. During this time thanks to findings obtained from research and practical experience it has been proved and confirmed that high-quality concrete that is easy to process possessing improved sustainability can be produced economically in spite of adverse external influences thanks to the targeted application of fly ash. This applies especially for road and rail tunnelling [1, 2]. Fly ash contributes decisively towards sustainability as a concrete additive. The modification in energy policy has led to new challenges for...

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Issue 2014-02

Putzmeister Underground

Based on more than 50 years of experience and the technological know-how of a leading provider of concrete pumping and placing equipment, Putzmeister has developed a range of tunneling and mining...