How to Reduce Bleeding in Concrete
19th June 2019How to Reduce Bleeding in Concrete?
The tendency of water to rise to the surface of freshly placed concrete is called bleeding. Bleeding causes the formation of a porous, weak and non-durable concrete layer at the top. It also increases the permeability of concrete.
Bleeding can be reduced by adopting the following measures:
- Using pozzolanic materials.
- Proper proportioning of ingredients and uniform & complete mixing.
- Using air-entraining agents.
- Using finer cement.
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