With the use of cementing materials people had been able to construct houses, roads, bridges, buildings, etc. using naturally occurring and/or pre-fabricated materials such as rocks and concrete hollow blocks.
Before, primitive man uses naturally occurring stones to lay together and create rough walls, later he learned to trim it to fit better and become more solid and firmer. later again he learned to use bricks from clays and uses it to make structures such as the pyramid. Finally man uses various materials mixed together like cement, aggregates and others to create better, stronger, higher structures of today.
Before, primitive man uses naturally occurring stones to lay together and create rough walls, later he learned to trim it to fit better and become more solid and firmer. later again he learned to use bricks from clays and uses it to make structures such as the pyramid. Finally man uses various materials mixed together like cement, aggregates and others to create better, stronger, higher structures of today.
- CONCRETE - is a composite material made up of inert materials of varying sizes that are bound together by binding materials/medium. it contains cement, fine aggregates, coarse aggregates, water, reinforcing steel, and air.
- Cement- a powder substance of lime and clay, mixed with water to make the mortar. It is the binding material used to connect or hold together other materials.
- Aggregates-fine aggregates or sand is generally the product of natural disintegration of silica bearing or calcium bearing rocks. coarse aggregates usually come from natural gravel.
- Water- is the solvent used to mix cement and aggregates to give it a plastic behavior. it's amount greatly affects the strength and workability of the concrete.
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