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The quantity of water required per 50 kg of cement for nominal mix concrete for M20 is:
The quantity of water required per 50 kg of cement for nominal mix concrete for M20 is:
1). 34
2). 32
3). 30
4). 45
1). 34
2). 32
3). 30
4). 45
This Question has 1 answers.
Water content is an important parameter deciding the strength.
A nominal mix is designed based on the ratios given in code IS:456 - 2000 and can be hand mixed on site. Nominal mixes are done for strengths up to 20MPa (i.e. M20).
|
Grade of Concrete |
The quantity of water per 50kg of cement |
|
M5 |
60 |
|
M7.5 |
45 |
|
M10 |
34 |
|
M15 |
32 |
|
M20 |
30 |
The above water content may be changed for better workability keeping the w/c ratio constant.
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