Filler Effect in Shotcrete

Filler Effect in Shotcrete

The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ter...

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Veröffentlicht in:Materials 2019-10, Vol.12 (19), p.3221
Hauptverfasser: Galan, Isabel, Briendl, Lukas, Thumann, Maria, Steindl, Florian, Röck, Rudolf, Kusterle, Wolfgang, Mittermayr, Florian
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum sulfate
Cement
Concrete mixing
Ettringite
Hydrates
Hydration
Limestone
Optimization
Silica
Sprayed concrete
Underground construction
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Beschreibung
Zusammenfassung:The effects of fine limestone powder on the early hydration of cementitious systems accelerated by means of alkali-free aluminum sulfate based products, commonly used for shotcrete applications, were investigated in the course of laboratory and real scale tests. In binary (CEM I + limestone) and ternary (CEM I + limestone + slag) systems the addition of fine limestone led to an enhancement of the hydration degree and strength development at early times (
ISSN:1996-1944
1996-1944
DOI:10.3390/ma12193221