1.0.1 This Code specifies performance, quality inspection, and engineering application requirements of admixtures-blended concrete; this Code is applicable to the adoption and inspection of the following admixtures blending in the concrete of water resources and hydropower engineering: air-entraining agent, normal water-reducing agent, early-strength water-reducing agent, water-reducing retarder, air-entraining water-reducing agent, high efficiency water reducing agent, slow-setting and high efficiency water reducing agent, retarder, high temperature retarder, pumping aid, accelerating agent, anti-freezing admixtures and in-water unseparated agent.
Foreword
1. Scope
2. Normative References
3. Terms
4. Quality Requirements
4.1 Performance of Admixture-blended Concrete
4.2 Uniformity Requirements of Admixtures
5. Quality Inspection
5.1 Technical Condition of the Concrete
5.2 Properties of Concrete
5.3 Uniformity Test of Admixture
6. Requirements of Engineering Applications
6.1 Selection of Admixture
6.2 Mixing Amount of Admixture
6.3 Tests for Admixture
6.4 Returns of Admixture
Appendix A (Normative) Measuring Method for the Pressure Bleeding Rate of Pumped Concrete
Appendix B (Normative) Fineness and Water Ratio of the Accelerating Agent, Setting Time of the Concreter Mixed with the Accelerating Agent and the Measuring Method for the Compressive Strength Ratio of the Cement Mortar
Appendix C (Normative) Measuring Method for In-water Separation Degree of In-water Conjoint Concrete
Appendix D (Normative) Measuring Methods for the Compressive Strength Ratio and Impermeability Pressure Ratio of the Concrete mixed with Anti-freezer
Appendix E (Normative) Preparation Method for the Compressive Strength Specimen of In-water Un-separated Concrete
