Concrete admixtures. Specification for accelerating admixtures, retarding admixtures and water reducing admixtures|Water-reducing admixtures, Determination of content, Compressive strength, Sampling methods, Concrete admixtures, Compaction tests, Chlorides, Concretes, Accelerating admixtures, Hardness testing, Workability, Chemical analysis and testing, Penetration tests, Stiffness, Retarding concrete admixtures, Specimen preparation, Cement and concrete technology, Thermal properties of materials