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 2 of 7.

Nitesh said:   9 years ago
Yes, I.S. code is gave of concrete grade is 7.5, 10, 15, 20, 25 and according your design above 25 to 55.
(1)

Akshey Sharma said:   6 years ago
@All.

Just read the question again they asking the number of grade, Not standard, not ordinary also not high strength.

So, Total no of grade is 15 (M10-M80).
(1)

Nilesh GHIDODE said:   6 years ago
M5 M7.5 M10 M15 M20 M25 M30
(1)

Vam said:   5 years ago
Thanks all for explaining.
(1)

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

ABHISHEK NANDI said:   9 years ago
According to IS 456 The grade of concrete are 15, M10, M1,5 M20 (ORDINARY CONCRETE)
M25 M30 M35 M40 M45 M50 M55 (STANDARD CONCRETE).

& M60 M65 M70 M75 M80 (HIGH STRENGTH CONCRETE) So the actual answer is none.

INDRANIL karfa said:   8 years ago
It is M10 - M40.

Ref: KHURMI & GUPTA(civil engg MCQ).

Bmsadhu said:   8 years ago
Can anyone tell me what is the mix pro of m30 and m35?

Nitin Gavit said:   8 years ago
As per IS 456 : 2000 grade of concrete is:

Ordinary concrete - M10, M15, M20.
Standard concrete - M25, M30, M35 M40 M45 M50 M55.
High strength concrete - M60 M65 M70 M75 M80.

Prabhu said:   8 years ago
M60 above concrete cannot using cement its true.


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