Sunday, June 17, 2018

QUANTITIES OF MATERIALS PER CUBIC METRE OF CONCRETE

A Vision To Clear Solutions.

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)

CRUSHD 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.
4. No allowance has been made in the table for bulking of sand and wastage.

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