Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 1 (Q.No. 16)

Concrete Technology

16.

The maximum amount of dust which may be permitted in aggregates is

5% of the total aggregates for low workability with a coarse grading

10% of the total aggregates for low workability with a fine grading

20% of the total aggregates for a mix having high workability with fine grading

all the above.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

13 comments Page 2 of 2.

Ankit said: 8 years ago

Please anybody clarify the answer.

Aadarsh Devkate said: 7 years ago

No, provision is maximum 5% for all kinds.

Ankit Chapagain said: 2 months ago

Dust has less permeability or leads to clogging, so it leads to a decrease in workability due to its sticky nature, too.

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