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
Discussion:
62 comments Page 3 of 7.
Saket jain said:
8 years ago
Ans is (B).
There are 7 grades According to I.S. : 456, of concrete mixes, mentioned below.
M5 - 1:5:10
M7.5 - 1:4:8
M10 - 1:3:6
M15 - 1:2:4
M20 - 1:1.5:3
M25 - 1:1:2
M30,M35,M40 - Design Mix Followed.
There are 7 grades According to I.S. : 456, of concrete mixes, mentioned below.
M5 - 1:5:10
M7.5 - 1:4:8
M10 - 1:3:6
M15 - 1:2:4
M20 - 1:1.5:3
M25 - 1:1:2
M30,M35,M40 - Design Mix Followed.
Garry said:
8 years ago
Here in this question, the standard grade is asked only.
From M25 to M55.
From M25 to M55.
Amit naik said:
8 years ago
Nominal mix concrete is said under M20 or lower & standard concrete grades are 7 i.e; m25 to m55.
These values are from IS 456:2000.
These values are from IS 456:2000.
Ashar Jami said:
8 years ago
For above M25, we go for Mix design.
ABHISHEK said:
7 years ago
According to IS 456:2000 NOMINAL MIN IS FROM M5 TO M25.
BUT ACCORDING TO IS 456: 2013 NOMINAL MIX IS FROM M5 TO M20.
Mix m25 and above are now regarded as design mix.
BUT ACCORDING TO IS 456: 2013 NOMINAL MIX IS FROM M5 TO M20.
Mix m25 and above are now regarded as design mix.
DEEPAK MARTHA said:
7 years ago
According to IS 456:2000 c-9.3 nominal concrete may be used M20 or less.
So, according to IS 456:2000 the nominal mix concrete is M5, M7.5, M10, M15, M20 mention in the table no-09 of is 456:2000.
So, according to IS 456:2000 the nominal mix concrete is M5, M7.5, M10, M15, M20 mention in the table no-09 of is 456:2000.
Neha said:
7 years ago
IS 456-2000 has designated the concrete mixes into a number of grades as M10, M15, M20, M25, M30, M35 and M40.
This is the correct answer.
This is the correct answer.
MN YOGI said:
7 years ago
Ordinary Concrete - M 10 to M 20.
Standard Concrete - M 25 to M 55.
High strength Concrete -above M55.
Standard Concrete - M 25 to M 55.
High strength Concrete -above M55.
Jeetu said:
7 years ago
The correct answer =3 grades.
The concrete mix = M10 M15 M20.
Design mix= M25 -M55.
High Concrete up to M80.
The concrete mix = M10 M15 M20.
Design mix= M25 -M55.
High Concrete up to M80.
SumanMondal said:
7 years ago
The concrete mixes are: M10, M15, M20, M25, M30, M35, M40
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