Question
Download Solution PDFAs per IS 456-2000, what is the maximum free water-to-cement ratio of an M40 grade of reinforced concrete under extreme exposure conditions?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
As per table 5 of IS 456 : 2000
Minimum cement content, Maximum water-cement ratio, and Minimum grade of concrete for different exposures with normal weight of aggregates of 20 mm Nominal
|
Reinforced concrete |
||
|
Minimum cement content 9kg/m3) |
Maximum free water-cement ratio |
Minimum grade of concrete |
|
300 |
0.55 |
M 20 |
|
300 |
0.50 |
M 25 |
|
320 |
0.45 |
M 30 |
|
340 |
0.45 |
M 35 |
|
360 |
0.40 |
M 40 |
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