How to Reduce Bleeding in Concrete - Civil Engineering

Wednesday, 19 June 2019

How to Reduce Bleeding in Concrete

How 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:
  • Proper proportioning of ingredients and uniform & complete mixing.
  • Using pozzolanic materials.
  • Using air-entraining agents.
  • Using finer cement.
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