REINFORCED CONCRETE
The reinforced concrete consists of Portland cement, mineral aggregates, and water, in which steel has been embedded in such a manner that the steel and concrete act together.
CEMENT
Portland cement conforming to the requirements in Pakistan is used for the pipe.
STEEL REQUIREMENTS
Reinforcement consist of wire conforming to the specification for cold dawn steel wire for concrete reinforcement ( ASTM Designation A-82) or deformed steel wire A-496 or welded steel wire fabric A-185 or billet steel bars ASTM A-15.