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How is concrete made? a step by step list in detail?

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DrBadi M

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There are three basic components of concrete Cement, Sand and Aggregate ( mixture of sand, gravel and crushed stones ). The grades of concrete are classified in steps of 5 such that Grade M10 has a mixture of ratio 1:3:6 cement:sand:aggregate And this gives a compressive strength of 10 MPa For M15 you use a mixture of 1:2:4 giving a stronger concrete of 15 MPa etc.. All this depends on the use of the final product.

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