COMPOSITION FOR USE AS A TWO COMPONENT BACK FILLED GROUT COMPRISING EXTRACTED SILICATE

COMPOSITION FOR USE AS A TWO COMPONENT BACK FILLED GROUT COMPRISING EXTRACTED SILICATE

A multi-component cementitious composition with at least a binder and a hardener component, wherein the binder component includes ground granulated blast furnace slag and water and wherein the hardener component includes a sodium silicate solution containing at least 42 wt.-%, preferably at least 45...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LAI, Fook Chuan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A multi-component cementitious composition with at least a binder and a hardener component, wherein the binder component includes ground granulated blast furnace slag and water and wherein the hardener component includes a sodium silicate solution containing at least 42 wt.-%, preferably at least 45 wt.-% or sodium silicate (Na2SiO3). Such multi-component cementitious compositions have been found to provide excellent early strength in excess of 0.5 mPa after hardening for just 2 h with a gel time in the range of 10 to 20 s. In addition the binder components are stable or at least remixable for up to 4 d in the absence of the hardener, which makes them particularly suitable for back filled grouts.