Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 1 (Q.No. 4)
4.
Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor is 0.95, the workability of concrete is
extremely low
very low
low
high
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
31 comments Page 1 of 4.

MOHAMED AHMED IBRAHIM said:   1 decade ago
In fact partial compaction happens during pouring & when we use vibration or other method of compaction we will get full compaction.

And since the sample obtains 95% i.e. it has high work ability.

Sushant Ranchi said:   5 years ago
For a good workability, the compaction factor must be between (0.7 - 0.95).

Extremely low - 0.65 to 0.68.
Very low - 0.75.
Low - 0.83 to 0.85.
Medium - 0.90 to 0.92.
High - 0.95.
(18)

Dhiraj P Chaudhari said:   9 years ago
For a good workability, compaction factor must be between (0.7 - 0.95).
Extremely low - 0.65 to 0.68.
Very low - 0.75.
Low - 0.83 to 0.85.
Medium - 0.90 to 0.92.
High - 0.95.

Vishal dave said:   1 decade ago
The more compaction means more denser concrete and as 1% of air voids reduce strength by 5%, more compaction provides lesser voids which provides good strength.

Ghassan Kharouf said:   1 decade ago
More compaction, means more dense material, otherwise (lower workability).

For a good workability, compaction factor must be between (0.7 - 0.95).
(1)

Md saleem ansari said:   1 decade ago
As the ratio between partially compacted and fully compacted concrete increases, the work ability of concrete also increases upto the maximum.

CHEEPURUPALLI ANANDA KUMAR said:   2 years ago
Extremely low -> 0.65 to 0.68.
Very low -> 0.75.
Low -> 0.83 to 0.85.
Medium -> 0.90 to 0.92.
High -> 0.95.
(11)

SUDHANSU BHAGAT said:   1 decade ago
Extremely low - 0.65 to 0.68.

Very low - 0.75.

low - 0.83 to 0.85.

Medium - 0.90 to 0.92.

High - 0.95.

Pulak moral said:   6 years ago
0.83, 0.92, 0.95 low medium and high respectively for very low 0.83>0.75 and extremely low 0.75>.
(1)

Amaresh said:   5 years ago
Extremely low - 0.65 to 0.68.
Very low - 0.75.
Low - 0.83 to 0.85.
Medium - 0.90 to 0.92.
High - 0.95.
(17)


Post your comments here:

Your comments will be displayed after verification.