# Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 3 (Q.No. 1)

1.

Permissible compressive strength of M 150 concrete grade is

Discussion:

28 comments Page 1 of 3.
Sikandar joshi said:
9 months ago

Permissible tensile strength of concrete, M150.

(4)

RDJ said:
4 years ago

What is permissible TENSILE strength of M150 concrete?

(1)

Mohammad Al-Sous said:
6 years ago

kgf/cm^2 value = MPa value x 10.1972.

(1)

Kishan mandal said:
7 years ago

150Kg/cm^2 is the correct answer.

(1)

Shiv said:
8 years ago

I think it is 150.

Agree @Bharath.

Agree @Bharath.

Shaban Kumar Mandal said:
4 years ago

But what is the tensile compressive strenth of concrete?

Raviraj Patel said:
7 years ago

It's 150 because M150 means M denotes design mix of concrete and 150 denotes the permissible comprehensive strength of concrete after 28 days of 150mm cube.

Like GRADE OF CONCRETE- CSO CONCRETE

M15 15

M20 20 Etc

Like GRADE OF CONCRETE- CSO CONCRETE

M15 15

M20 20 Etc

Makvana Disha said:
7 years ago

Here, permissible strength is required to be determine fck 150 is already given. So, permissible strength= fck/partial safety factor.

150/1.5 = 100 kg/sq.cm.

fck = characteristic compressive strength of concrete at 28 days after curing.

150/1.5 = 100 kg/sq.cm.

fck = characteristic compressive strength of concrete at 28 days after curing.

Sonu Raj said:
7 years ago

What the difference between permissible and characteristics strength?

Pankaj said:
7 years ago

100 kg/cm2 is the right answer because we allow it after failure in compressive standard unit.

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