Question
Download Solution PDFWhich of the following concrete grades has mix proportion 1 : 1.5 : 3 (cement : fine aggregate : coarse aggregate)?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Concrete Grades:
The nominal mixes of fixed cement-aggregate ratio (by volume) vary widely in strength and may result in under- or over-rich mixes. For this reason, the minimum compressive strength has been included in many specifications. These mixes are termed standard mixes.
IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35, and M40. In this designation, the letter M refers to the mix and the number to the specified 28-day cube strength of mix in N/mm2. The mixes of grades are as follows:
|
Strength |
Nominal Mix Design |
|
M10 |
1 : 3 : 6 |
|
M15 |
1 : 2 : 4 |
|
M20 |
1 : 1.5 : 3 |
|
M25 |
1 : 1 : 2 |
Last updated on May 12, 2025
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