# Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 1 (Q.No. 22)

22.

An aggregate is said to be flaky if its least dimension is less than

Discussion:

5 comments Page 1 of 1.
Ajeet rawat said:
8 months ago

Thanks for your answer @Hassan Choudhury.

Dilshad Alam said:
1 year ago

An aggregate is said to be flaky if its least dimension (thickness) is less than 0.6 (3/5) times the mean sieve size. An aggregate is said to be elongated if its greatest dimension is greater than 1. 8 times the mean dimension. Flaky means having less thickness, elongated means having more length.

(1)

Hassan Choudhury said:
5 years ago

1. Flaky Particles: The particles whose least dimension is less than 0.6 times the mean size dimensions.

2. Elongated particles: The particles whose greatest dimension is greater than 1.8 times the mean size dimension.

3. Mean size of aggregates: Mean size of aggregates is defined as the mean of two seive sizes, between which the particle is retained i.e. Mean size = (Passing sieve size + Retaining sieve size)/2.

2. Elongated particles: The particles whose greatest dimension is greater than 1.8 times the mean size dimension.

3. Mean size of aggregates: Mean size of aggregates is defined as the mean of two seive sizes, between which the particle is retained i.e. Mean size = (Passing sieve size + Retaining sieve size)/2.

Md Khalid said:
7 years ago

In other words we can say that an aggregate is said to be flaky if its least dimension is less than 0.6 times of mean dimension.

Buddhi said:
10 years ago

And For Elongated Particles, their Maximum dimension should be larger than 1.8 times of mean size.

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