| In this review pozzolanic cements bave been discussed. A certain
amount of pozzolana can be mixed with Portland cement to yield
pozzolanic cements and thus the mixtnre becomes economic as well
as inter-reactive. The specific advantages are its better strength, improved
workability, less heat of hydration, less shrinkage and greater
resistance to chemical attack and cracking. The improvement of properties
as well as their mechanisms bave been discussed. |