what is water cement ratio m10,m15,m20,m25,m30,m35m ,m40

Answer Posted / ketan kumar bhatt

DESIGN MIX:
M10 ( 1 : 3.92 : 5.62) 
Cement : 210 Kg/ M 3 
20 mm Jelly : 708 Kg/ M 3 
12.5 mm Jelly : 472 Kg/ M 3 
River sand : 823 Kg/ M 3 
Total water : 185 Kg/ M 3 
Fresh concrete density: 2398 Kg/M 3
M20 ( 1 : 2.48 : 3.55) 
Cement : 320 Kg/ M 3 
20 mm Jelly : 683 Kg/ M 3 
12.5 mm Jelly : 455 Kg/ M 3 
River sand : 794 Kg/ M 3 
Total water : 176 Kg/ M 3 
Admixture : 0.7% 
Fresh concrete density: 2430 Kg/ M 3
M25 ( 1 : 2.28 : 3.27) 
Cement : 340 Kg/ M 3 
20 mm Jelly : 667 Kg/ M 3 
12.5 mm Jelly : 445 Kg/ M 3 
River sand : 775 Kg/ M 3 
Total water : 185 Kg/ M 3 
Admixture : 0.6% 
Fresh concrete density: 2414 Kg/ M 3 
Note: sand 775 + 2% moisture, Water185 -20.5 = 
164 Liters, 
Admixture = 0.5% is 100ml
M30 ( 1 : 2 : 2.87) 
Cement : 380 Kg/ M 3 
20 mm Jelly : 654 Kg/ M 3 
12.5 mm Jelly : 436 Kg/ M 3 
River sand : 760 Kg/ M 3 
Total water : 187 Kg/ M 3 
Admixture : 0.7% 
Fresh concrete density: 2420 Kg/ M 3 
Note: Sand = 760 Kg with 2% moisture 
(170.80+15.20)
M35 ( 1 : 1.79 : 2.57) 
Cement : 410 Kg/ M 3 
20 mm Jelly : 632 Kg/ M 3 
12.5 mm Jelly : 421 Kg/ M 3 
River sand : 735 Kg/ M 3 
Total water : 200 Kg/ M 3 
Admixture : 0.7% 
Fresh concrete density: 2400 Kg/ M 3 
Note: sand = 735 + 2%, Water = 200- 14.7 = 
185.30, 
Admixture = 0.7%
M40 ( 1 : 1.67 : 2.39) 
Cement : 430 Kg/ M 3 
20 mm Jelly : 618 Kg/ M 3 
12.5 mm Jelly : 412 Kg/ M 3 
River sand : 718 Kg/ M 3 
Water Cement ratio : 0.43 
Admixture : 0.7% 
Note: Sand = 718 + Bulk age 1%
M45 ( 1 : 1.58 : 2.26) 
Cement : 450 Kg/ M 3 
20 mm Jelly : 626 Kg/ M 3 
12.5 mm Jelly : 417 Kg/ M 3 
River sand : 727 Kg/ M 3 + Bulk age 1% 
Water Cement ratio : 0.43 
Admixture : 0.7%
M50 ( 1 : 1.44 : 2.23) 
Cement : 450 Kg/ M 3 
20 mm Jelly : 590 Kg/ M 3 
12.5 mm Jelly : 483 Kg/ M 3 
River sand : 689 Kg/ M 3 + Bulk age 12% 
Water Cement ratio : 0.36 (188 Kg) 
Admixture : 1.20%3 
Micro silica : 30 Kg 
Super flow 6.7% of cement

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