Tag Archive for Tag: Testing of fresh concrete

Tag: Testing of fresh concrete Testing of fresh concrete

The most commonly employed tests on fresh air entrained concrete measure the total air content. The pressure method, described in ASTM C231, is widely used and is based on Boyle’s Law. It is assumed that solid constituents in fresh concrete and water are incompressible so that volume change under pressure is due to the contraction of air voids. Volume change

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