The pink sand ended up being fine
volcanic fiery debris and they had unintentionally created the principal
"pozzolanic" concrete. Pozzolana is any siliceous or siliceous and
aluminous material which has next to zero cementitious incentive in itself yet
will, if finely isolated and blended with water, artificially respond with
calcium hydroxide to shape mixes with cementitious properties.







0 comments:
Post a Comment