it into a cementitious material forming a denser and tighter matrix. The improved water tightness significantly reduces the amount of water and chemicals that can infiltrate... pozzolans were used in the Roman Era for construction purposes. True testimonials of pozzolanic strength and durability can still be found today in ancient structure constructed...

hydroxide and turn it into a cementitious material forming a denser and tighter matrix. The improved water tightness significantly reduces the amount of water and chemicals that can... Nimes France Natural pozzolans were used in the Roman Era for construction purposes. True testimonials of pozzolanic strength and durability can still be found today in ancient...