Definition " AIR-ENTRAINED CONCRETE:- A concrete used for - TopicsExpress

Definition " AIR-ENTRAINED CONCRETE:- A concrete used for constructing roads. It has about 5% air and is therefore less dense than ordinary good concrete, but it has excellent freeze-thaw resistance. The strength loss is roughly 5% for each 1% air entrained. Air entrained concrete produced by adding an admixture to concrete or cement, which drags small bubbles of air (Smaller than 1 mm in diameter) into the concrete mix. The bubbles increase the workability and allowing both sand and water contents to be reduced. ASPHALT RUBBER (AR):- A mixture of asphalt cement and rubber used as a crack sealent, binder, or membrane.

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