Full list of Nuggets
Most concrete structures contain reinforcing steel to carry the tensile forces and control crack development under load, at about 4% by volume of the concrete. In the UK, reinforcement is made from recycled steel.For further information see Concrete and the Environment, published in CONCRETE in September 2001, pp39–46. Copies are available as a free download from the Members Area of the Concrete Society web site.
Acknowledgement: The Concrete Society