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Showing 1 to 3 of 3 for “"Parameters of the air-void system"”.
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Advances in measuring parameters of the air-void system in hardened concrete
To improve the freezing and thawing resistance of concrete, air bubbles are entrained and distributed evenly and closely. Evaluation of the parameters of the air-void system in hardened concrete is detailed in ASTM C457 “Standard Test Method for Microscopical Determination of Parameters of the …
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Analysis of air-void system in hardened concrete from a three-dimensional perspective
The frost-resistance of concrete can be greatly enhanced by entrainment of small air bubbles in the cement paste. When the volume and distribution of the entrained air is properly controlled, the microstructure is protected from pressure exerted by freezing water. ASTM C457 “Standard Test Method …
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Developing An Alternative Hardened Concrete Air Void Characterization Method
This study presents the development and analysis of an alternative characterization method for the hardened air void system in concrete. This study uses ASTM C457, “Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete” as a baseline …