An activated fly ash blended cement composition having improved mechanical and corrosion resistance properties

An activated fly ash blended cement composition having improved mechanical and corrosion resistance properties, which comprises: Ordinary Portland cement (OPC) : 70 TO 90 wt.%; Activated fly ash : 10 to 30 wt. %; Sodium silicate : 1 to2 % by weight of OPC Calcium oxide : 2 to 5 % by weight of OPC.