Concrete is the most widely used construction material in the world. Made from cement, water, sand and gravel, this relatively cheap mixture can be shaped as needed and withstand high forces in ...

The pieces are layered on top of each other, the form is attached and then everything is braced. Once the concrete is poured, the supports then are removed and thrown away. Made of steel ...

As you might expect, form oil is one such surface contaminant ... beneficial to ensure the purpose for the presence of steel in concrete was sufficiently maintained. The results, based on 27 ...