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 5 of 7.
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.
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.
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.
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
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).
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)
Aparna Dubey said:
6 years ago
A/c to IS 456: concrete mix designated in 7 grades.
M100,
M150,
M200,
M250,
M300,
M350,
M400.
For design mix Letter M refers to mix and number to specified characteristics compressive strength of 15 cm cube at 28 days in N/mm^2 or kg/cm^2.
M100,
M150,
M200,
M250,
M300,
M350,
M400.
For design mix Letter M refers to mix and number to specified characteristics compressive strength of 15 cm cube at 28 days in N/mm^2 or kg/cm^2.
K.Das said:
6 years ago
1.Ordinary concrete- 5 (M5 to M20).
2. Stander concrete- 8 (M25 to M60).
3. Hight strength Concrete- 4 (M65 to M80).
2. Stander concrete- 8 (M25 to M60).
3. Hight strength Concrete- 4 (M65 to M80).
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