Concrete mix for forming structures of high chemical stability - comprises a water glass binder, an active volcanic glass filler and aggregate
Concrete mix comprises (in wt.%) water glass-based binder 9-14: active filler comprising a 0.01-0.1mm fraction of volcanic water-contg. glass 19-32; and an acid-alkali stable aggregate (I), the balance. (I) is either sand or a 1: 1.07-1.25 wt. ratio mixt. of sand and rubble. Pref. active fillers are...
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