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The aim of the paper is to outline the possibilities and predictive values of the selected methods for determining air-pore characteristics in concrete and cement composites in general. Four samples (mixtures) of cement concrete without additives or admixtures were chosen for the measurement, differing in cement content while maintaining the consistency of fresh concrete S3 according to EN 206. Both standardized and non-standardized methods are used in Europe, therefore providing a possibility of comparing their outcomes.

Possibilities of determining the air-pore content in cement composites using computed tomography and other methods