Causes of Segregation:

1. Inaccurate water cement ratio.

2. Improper mixing of concrete ingredients.

3. Longer distance transportation.

4. More height of concrete placing.

5. Excessive or over vibration.

Causes of Bleeding of concrete:

1. Inaccurate concrete mix proportion with higher w/c ratio

2. Use of more flaky aggregates.

3. Insufficient mixing of concrete.

4. Lean mix i.e. less cements content.

5. Delay in finishing of freshly placed concrete mix.