HOW TO PREVENT BLEEDING AND LAITANCE IN CONCRETE?

出血不能完全避免,因为它是一个n inherent property of concrete. But it can be minimized if following precautions are taken.

• By proper proportioning of concrete mix.
• By mixing the concrete uniformly and completely.
• By using finely divided pozzolanic materials ( as it creates a longer path for the water to traverse and it has a high surface are)
• By using air entrain admixtures.
• By using finer cement or cement with low alkali content.