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Journal

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Gunning repair in the cement industry

The process of gunning is well known in the cement industry. In recent time the refractory producers have improved their gunning materials in the fiel...
Issue №4, 2010
Section: Refractories
Keywords: refractories; repair; process of gunning, shotcrete; gunning materials
Autor: C. Wolf.

Setting and hardening accelerators for sprayed concrete

The requirements placed on modern accelerators for shotcrete are not only that they should provide virtually instant setting of concrete mixes and ear...
Issue №3, 2012
Section: Concrete
Keywords: shotcrete, alkali-free accelerators, aluminum sulfate
Autor: A.S. Brykov, A.S. Vasilyev.

A case study of thaumasite formation in an Austrian tunnel

Samples were taken from zones of the shotcrete lining in a tunnel where the shotcrete had completely lost its strength and could easily be removed by ...
Issue №2, 2014
Section: Concrete
Keywords: shotcrete, tunnel, thaumasite, water glass, sulphate
Autor: J. Tritthart, D. Klammer, F. Mittermayr, A. Brunnsteiner.

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