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Concrete Mix Design With Coarse Aggregate Of 20 To 5mm

concrete mix proportioning online courses,oct 29, 2017 concrete mix proportioning the determine of the proportions of cement, aggregates and water to attain the desired strength and properties such as workability, durability etc., is called as concrete mix proportioning. the design of concrete mix is classified into following two types by is 4562000 clause 9 1 nominal mix concrete..m30 grade of concrete mix design procedure with opc 53,after weighing materials, put coarse aggregates 20 mm and 12.5 mm first in the trial mix drum. now add fine aggregate sand in trial mix drum and then add the cement. mix these materials in the dry condition in a drum for at least 30 seconds. then add 80 to 90 of the water in a drum in many parts by adding throughout the mix..

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