Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 3 (Q.No. 6)
6.
If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed
Discussion:
33 comments Page 1 of 4.
Hassan bin irshad said:
1 decade ago
How can aggregates of 20cm = 8in can be used in mould/sample/specimen of 10cm = 4in which is smaller in dimension than that of aggregates.
Aravind gottumukkala said:
1 decade ago
The units in the options must be mm, because max size of coarse aggregate used in rcc works is limited to 40mm.
Nitu Sharma said:
1 decade ago
According to IS 456-2000 we can only use the aggregates of size up to 1/4th of the size of our member or structure.
Parveen said:
1 decade ago
20mm max size of aggregate.
Lokesh said:
1 decade ago
No @Praveen even 40 can be used depending up on structure and design mix.
Indrakesh kashyap said:
1 decade ago
10 cm cube and 20 cm aggregate it is how?
PIYUSH SINGH said:
1 decade ago
10 cm cube can be used for aggregate of size less than or equal to 10 mm, as a true representative sample can be obtained, also strength of the 10 cm cube will be more than the 15 cm cube as end resistance is very high in case of 10 cm cube.
Ayon Som said:
9 years ago
The unit in the answer should be in "mm" instead of "cm".
So, the correct answer will be 25 mm instead of 25 cm.
So, the correct answer will be 25 mm instead of 25 cm.
Umair said:
9 years ago
It is 20mm. Please change it.
Baloch said:
9 years ago
I think given data's are in millimetres not centimetres,
20 mm is normal size segregates (which can be used in sampling).
40mm is used for mass concreting and 10mm is for flooring etc.
20 mm is normal size segregates (which can be used in sampling).
40mm is used for mass concreting and 10mm is for flooring etc.
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