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.

Er. Soumya Choudhury said: 1 decade ago

Yeah exactly option B and C are countering each other. Any body please clarify.

K.p.singh said: 1 decade ago

20% Dust mix & Proper gain strength for concrete.

Sadulla Ahmed said: 1 decade ago

Option B & C saying that work-ability increases with the increase of dust. I have confusion in these two.

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