observation based on slump test frist we have to check for wokability and then water cement ratioit is also a codal provision IS456 for the nominal mix designthe ratio of cement sand and agregates depends upon grade of concretebasically it is a test result

25 CONCRETE MIX DESIGN Maximum Water Cement Ratio MORTH 17003 A 045 Adopted Water Cement Ratio 043 Maximum Water content 10262table2 186 Lit Estimated Water content for 5075 mm Slump 138 Lit Water Cement Ratio 043 Vol of CA as per table 3 of IS 10262 6200% Adopted Vol of Coarse Aggregate 6200% Adopted Vol

Learn More Details