If there is anything which is the most important materials in the construction of a concrete structure is the cement. It is used as the principle binder of the coarse and fine aggregates to form the concrete of necessary strength.
The cement is mainly made of two important materials which are limestone or lime and clay or shale, and some small quantities of gypsum and mineral admixtures depending on the use of the cement.
The most famous cement is the Ordinary Portland cement which comes in various grade. A grade of cement is the specification given to a cement which gives you the compressive strength cement will give after 28 days. These grades are decided by standards of Bureau of a country. Cement is packed in bags of 25 and 50 kg.

1 Comment on "Cement"

  1. It is very useful article.

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