“No material is itself durable or non-durable, it is the interaction of the material with its in-service environment that determines its durability” – says a well-known concrete technologist Larry Masters. The three important steps that ensure adequate durability of concrete in-service are: Compliance with current standards of good practice during construction. The use of new and improved materials and innovative construction systems designed for increased durability at competitive costs. Provision of protection to existing undamaged structure against adverse environments. These…