1 Scope
This standard specifies the terms, definitions, requirements, test procedures, inspection rules, package, delivery, storage and return of admixtures used in concrete.
This standard is applicable to high performance water reducer (accelerating, standard and retarding ones), high efficiency water reducer (standard and retarding ones), ordinary water reducer (accelerating, standard and retarding ones), air-entraining water reducer, pumping admixture, early strength admixture, retarder and air-entraining admixture, eight in total.
2 Normative References
The following standard contains provisions which, through reference in the following text, constitute provisions of this standard. For dated reference, subsequent amendments (excluding correction) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.
Contents
Foreword I
Introduction II
1 Scope
2 Normative References
3 Terms and Definitions
4 symbols
5 Requirements
6 Test Procedures
7 Inspection Rules
8 Descriptions, Package, Storage and Return of Products
Annex A (Normative) Technical Condition of Reference Cement Used for Inspecting Concrete Admixture Performance
Annex B (Normative) Test Method of Chloride Ion Content in Concrete Admixture (Chromatography of Ions)
Annex C (Informative) Information on Concrete Admixture
Table 1: Performance Indexes of Test Concrete
Table 2: Uniformity Indexes
Table 3: Test Items and Needed Amount
Table 4: Admixture Measurement Items
