Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 4 (Q.No. 18)
18.
To prevent segregation, the maximum height for placing concrete, is
Discussion:
32 comments Page 1 of 4.
Munawar shah said:
3 years ago
@Shiva Gaire.
But what measures to be adopted while concreting a deep pile? Obviously, its depth is much more than what to do?
But what measures to be adopted while concreting a deep pile? Obviously, its depth is much more than what to do?
(1)
Shiva Gaire said:
3 years ago
To prevent segregation i.e. zero segregation, 1m. The permissible height with some segregation which does not affect strength is 1.5m.
Bala said:
3 years ago
Agree, The exact answer is 1.5 meter.
Sameer patel said:
4 years ago
As per clause 13.2 of IS 456: 2000, the maximum permissible free fall of concrete to avoid segregation may be taken as 1.5 m or 150 cm.
Pramod Patil said:
4 years ago
Maximum It is 1.5m and this standard practice followed through out the world.
Abdul Halim said:
4 years ago
As per my knowledge, 100cm is the correct answer if height more than 100cm than segregation start.
(3)
Upendra nath Behera said:
5 years ago
As per IS 456: 2000 = 1.5m is right.
(1)
Aniket said:
5 years ago
According to :
IS 456:1978 it is 100 cm.
IS 456:2000 it is 150 cm.
IS 456:1978 it is 100 cm.
IS 456:2000 it is 150 cm.
(6)
Shaik sadiq said:
6 years ago
Minimum height is 1.2 m.
Mehul Parmar said:
6 years ago
150 cm because they ask for maximum value, not minimum. So as per IS 456:2000 it is 1.5 m maximum and 1.0 m minimum height.
(1)
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