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.
Govardhan said:
1 decade ago
How M30, M35 can be treated as nominal mix?. It falls under the category of design mix.
Anish said:
1 decade ago
How can we find out the ratio of M30, M35, M40, M50?
SABYASACHI SEN said:
1 decade ago
Nominal concrete grades are from M5 TO M25 maximum. But still we need to have mix for M 25 also.
Here we take std concrete which starts from M 25 TO M 55 (i.e. 7) from IS 456:2000 table 2.
Here we take std concrete which starts from M 25 TO M 55 (i.e. 7) from IS 456:2000 table 2.
Vikas singh tomar said:
1 decade ago
Standard seven grades of is, 456 are:
M2S.
M30.
M3S.
M40.
M4S.
MSO.
M55.
M2S.
M30.
M3S.
M40.
M4S.
MSO.
M55.
LISHA PAUL said:
1 decade ago
As per IS 456 ordinary concrete M10; M15; M20.
Standard Concrete M25 to M55.
High strength concrete is M60 to M80.
Standard Concrete M25 to M55.
High strength concrete is M60 to M80.
Laxmikanta Nayak said:
1 decade ago
According to IS 456-2000 the above said @Sonu Sharma concrete design is correct.
Aditya Dubey said:
1 decade ago
According to I.S. 456-2000.
Standard Concrete:
M-25.
M-30.
M-35.
M-40.
M-45.
M-50.
M-55.
Total: 7.
Standard Concrete:
M-25.
M-30.
M-35.
M-40.
M-45.
M-50.
M-55.
Total: 7.
Suraj said:
1 decade ago
Someone saying from m5 to m35 and few m25 to m55. Which one is correct>>>>?
Vishnu said:
8 years ago
According to old code(IS 456-1978) there are 7 grades of concrete(M10 to M40).
According to new code(IS 456-2000) there are 9 grades (M10 to M50).
According to new code(IS 456-2000) there are 9 grades (M10 to M50).
Kani said:
1 decade ago
M5, M7.5, M10, M15, M20, M25...
I don't know whether M30 will also be included.
I don't know whether M30 will also be included.
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