What is segregation and bleeding in concrete

Question

Accepted Answer

Segregation is the separation of coarse and fine particles in concrete mix, while bleeding is the upward movement of water in concrete.

Segregation occurs when the concrete mix is not properly mixed or when it is transported over long distances.
Bleeding happens when the water in the mix rises to the surface and evaporates, leaving behind voids and weak spots.
Both segregation and bleeding can weaken the concrete and reduce its durability.
To prevent segregation, the mix should be properly proportioned and mixed thoroughly.
To prevent bleeding, the mix should have the right amount of water and be properly placed and finished.
Segregation and bleeding can be detected by visual inspection and testing.
If left unaddressed, segregation and bleeding can lead to cracks, surface defects, and other problems.

Accepted Answer

1y

Mix ratios vary depending on the type of mix design.

For concrete mix design, the ratio of cement, sand, and aggregate varies depending on the strength required.

For asphalt mix design, the ratio of asphalt binder, aggregates, and filler varies depending on the type of asphalt mix.

For soil stabilization mix design, the ratio of cement, lime, and soil varies depending on the type of soil and the desired strength.

For plaster mix design, the ratio of cement, sand, and water varies depending on the type of plaster and the surface to be plastered.

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