Supplementary Cementing Materials
Supplementary cementing materials (SCMs) contribute to the properties of hardened concrete through hydraulic or pozzolanic activity. Typical examples are fly ashes, slag cement (ground, [...]
How Concrete is Made
In its simplest form, concrete is a mixture of paste and aggregates, or rocks. The paste, composed of portland cement and water, coats the surface of the fine (small) and coarse (larger) [...]
How Cement is Made
Portland cement is the basic ingredient of concrete. Concrete is formed with portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a [...]
Cement & Concrete Basics
In its simplest form, concrete is a mixture of paste and aggregates. The paste, composed of portland cement and water, coats the surface of the fine and coarse aggregates. Through a chemical [...]