Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 1 (Q.No. 8)
8.
According to I.S. : 456, the number of grades of concrete mixes, is
3
4
5
6
7
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
62 comments Page 4 of 7.

Abhi said:   1 decade ago
Standarad concrete is 7 m20 to m60.

High strength is m65 t0 m80.

Ordinary strength 3m m10 to m20.

MJM Gcek said:   4 years ago
Ordinary concrete - M10 to M20.
Standard Concrete - M25 to M55.
High strength concrete - M60 - M80.
(1)

Rahul said:   1 decade ago
According IS 456-2000.

The number of grades of concrete mixes:
M10, M15, M20, M25, M30, M35, M40.

Augustin said:   1 decade ago
The number of grades of nominal concrete mixes, is 7:
M5, M10, M15, M20, M25, M30 and M35.

Govardhan said:   1 decade ago
How M30, M35 can be treated as nominal mix?. It falls under the category of design mix.

Suraj said:   1 decade ago
Someone saying from m5 to m35 and few m25 to m55. Which one is correct>>>>?

SONU SHARMA said:   1 decade ago
According IS 456-2000.

Nominal mix concrete is,
M10, M15, M20, M25, M30, M35, M40.

Alekhya said:   9 years ago
As per IS 456-2000.

Grades of concrete mixes:

M10, M15, M20, M25, M30, M35, M40.

Kani said:   1 decade ago
M5, M7.5, M10, M15, M20, M25...

I don't know whether M30 will also be included.

Laxmikanta Nayak said:   1 decade ago
According to IS 456-2000 the above said @Sonu Sharma concrete design is correct.


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