what is the difference in density of fresh concrete and
hardened concrete?



what is the difference in density of fresh concrete and hardened concrete?..

Answer / shengjun zhou

I noted that most hardened concrete sample have some shortening by 0.5~1% during hardening process possibly especially for low strength concrete (<40 MPa) due to bleeding or plastic settlement. Such shortening would lead to an increased density in hardened concrete sample by similar amount or slightly less for high bleeding case.

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