cement content in m grade of concrete

Table 6.4 water-cement ratio for M70 grade of concrete Grade of Concrete M70 w/c ratio 0.38 Step4. Calculation of Fly Ash content Large amounts of powder materials are required to achieve the self compactibility. However, if an excess amount of cement is added, the cost of materials and dry shrinkage will increase. To avoid the above two, a pozzolanic material like flyash (class - F) was ...

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