C20/25 concrete with zeolite. Nea Orestiada [Photos]
The following samples were taken from C20/25-grade concrete:
2 × 0% zeolite – 100 per cent cement
, 2 × 20 per cent zeolite – 80 per cent cement
, 2 × 30 per cent zeolite – 70 per cent cement
, 3 × 35 per cent zeolite – 65% cement
3 × 40% zeolite – 60% cement
; after 24 hours, they will be placed in water at a temperature of 20 degrees Celsius
http://ellhnikos-zeolithos.blogspot.gr/2014/04/03032014.html