What is mix design, grade of concerte, and its lab testing name

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Mix design is the process of determining the proportions of cement, water, aggregates, and admixtures to produce concrete of desired strength and durability.

Grade of concrete refers to the strength of the concrete mix, which is determined by its compressive strength after 28 days of curing.
Lab testing for concrete includes tests for compressive strength, slump, air content, and density.
Mix design involves selecting the appropriate materials and proportions to achieve the desired properties of the concrete, such as strength, workability, and durability.
The lab testing name for concrete compressive strength is ASTM C39/C39M.
The lab testing name for concrete slump is ASTM C143/C143M.
The lab testing name for concrete air content is ASTM C231/C231M.
The lab testing name for concrete density is ASTM C138/C138M.

What is mix design, grade of concerte, and its lab testing name

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