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What is Grade of Concrete .Read More about Mix Design of concrete for better Strength & Durability of your Reinforced Concrete Structures. https://youtu.be/VFrNWSWODl8 https://youtube.com/c/CivilStructuralTechGuruji What is Concrete: It's mixture of  Cement,Sand, Aggregate , admixture with normal water to give Comprehensive strength at specified 7or 8 days Test. What is Grade of Concrete:- The grade of concrete varies greatly in accordance with the changing proportion of its constituent materials. The proportion and the ratio, in which the materials should be mixed together to obtain a certain grade of the concrete, has already been specified by IS 456:2000. The above mixes given in the table are called Nominal Mix. In the era of industrial and infrastructural developments, to cater the need for high strength concrete and overall improvement of the concrete properties, various high strength concrete has been introduced, taking it way more than M100. Video at my youtube #cstec

Practical understanding factors influence choice properties of concrete works Key words :construction rccbuilding,Mix proportion, Aggregate properties,Mix Design,Cube Strength,Grading of materials, Cement,Sand,,stone aggregate,Water Cement ratio, Important Factors to consider for Strength of Concrete 1. For a given workability an increase in the proportion of cement in a mix has little effect on the water demand and results in a reduction in the water/cement ratio. 2. The reduction in water/cement ratio leads to an increase in strength of concrete . 3. Therefore, for a given workability an increase in the cement content results in an increase in strength of concrete. 4 .Age of concrete The degree of hydration is synonymous with the age of concrete provided the concrete has not been allowed to dry out or the temperature is too low. In theory, provided the concrete is not allowed to dry out, then it wil always be increasing albeit at an ever reducing rate. For convenience and f