QUANTITIES OF MATERIALS PER CUBIC METRE OF

CONCRETE

ESTIMATED QUANTITIES OF MATERIALS REQUIRED PER CUBIC METRE

OF COMPACTED MORTAR OR CONCRETE

NOMINAL MIX WATER CEMENT RATIO

WATER PER 50KG BAG OF CEMENT

CEMENT SAND (CUM)

CRUSHED STONES (CUM)

CEMENT F.A. C.A. BY WEIGHT (KG)

BY NUMBER OF BAGS

1 1 - 0.25 12.5 1015 20.3 0.710 -

1 1.5 0.28 14 815 16.3 0.855 -

1 2 - 0.3 15 687 13.74 0.963 -

1 2.5 - 0.35 17.5 585 11.7 1.023

1 3 - 0.4 20 505 10.1 1.06 -

1 4 - 0.53 26.5 395 7.9 1.106 -

1 6 - 0.7 35 285 5.7 1.197 -

1 8 - 0.9 45 220 4.4 1.232 -

1 1 2 0.3 15 560 11.2 0.392 0.784

1 2 2 0.42 21 430 8.6 0.602 0.602

1 1.5 3 0.42 21 395 7.9 0.414 0.828

1 1.66 3.33 0.48 24 363 7.26 0.419 0.838

1 2 3 0.5 25 385 7.7 0.539 0.808

1 2 3.5 0.53 26.5 330 6.6 0.462 0.808

1 2 4 0.55 27.5 310 6.2 0.434 0.868

1 2.5 3.5 0.57 28.5 305 6.1 0.534 0.748

1 2.5 4 0.6 30 285 5.7 0.499 0.798

1 3 4 0.65 32.5 265 5.3 0.556 0.742

1 2.5 5 0.65 32.5 255 5.1 0.446 0.892

1 3 5 0.69 34.5 240 4.8 0.504 0.84

1 3 6 0.75 37.5 215 4.3 0.452 0.904

1 4 8 0.95 47.5 165 3.3 0.462 0.924

Notes:

1. F.A.= Fine Aggregates, C.A.= Coarse Aggregates

2. The table is based on assumption that the voids in sand and crushed stone are 40 and 45

percent respectively.

3. Air content of 1 percent has been assumed.

4. For gravel aggregates decrease cement by 5 percent, increase sand by 2 percent and coarse

aggregate in proportion to fine aggregate in mix.

5. No allowance has been made in the table for bulking of sand and wastage./>