What should be the number of concrete cube samples for different concrete volumes?

 According to IS 456 - 2000, the frequency of concrete cube samples for different concrete volumes is as follows.

Here,

       1 sample 👉  3 nos. of concrete cube

             or we say

      1 sample 👉  3 specimens of a given concrete volume.

The same is given in a table format for your easy understanding as below.

 

Frequency of concrete
Sl. No.	Vol. of concrete in cum.	Samples in nos.	Concrete cubes in nos.
1.	1 to 5	1	3
2.	6 to 15	2	6
3.	16 to 30	3	9
4.	31 to 50	4	12
5.	51 to 100	5	15
6.	101 to 150	6	18
7.	151 to 200	7	21
8.	201 to 250	8	24

 

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