混凝土外加剂（英文版）
英文名称： Concrete admixtures
替代情况： 替代GB 8076-1987;被GB 8076-2008代替
中标分类： 建材>>建材产品>>Q12水泥混合材与外加剂
ICS分类： 建筑材料和建筑物>>建筑材料>>91.100.30混凝土和混凝土制品
发布部门： 国家技术监督局
发布日期： 1997-05-06
实施日期： 1997-01-01
作废日期： 2009-12-30
首发日期： 1987-07-15
复审日期： 2004-10-14
提出单位： 国家建筑材料工业局
归口单位： 全国水泥制品标准化技术委员会
主管部门： 中国建筑材料工业协会
起草单位： 中国建筑材料科学研究院房建材料与混凝土研究所
起草人： 田培、姚燕、熊大玉、吴菊珍、张璐明、于新文、奚迎收、刘文长
页数： 17页
出版社： 中国标准出版社
本标准适用于评定在水泥混凝土中掺用的普通减水剂、高效减水剂、早强减水剂、缓凝减水剂、引气减水剂、早强剂、缓凝剂和引气剂八种混凝土外加的质量。
1 定义
1.1 外加剂
混凝土外加剂的定义见GB8075-87《混凝土外加剂分类、命名与定义》。
1.2 基准水泥
符合本标准附录A"混凝土外加剂性能检验用基准水泥技术条件"要求的、专门用于检验混凝土外加剂性能的水泥。
1.3 基准混凝土
按照本标准试验条件规定配制的不掺外加剂的混凝土。
2 技术要求
2.1掺外加剂混凝土性能指标
掺外加剂砼性能指标应符合表1的表示。
Contents
Foreword
1. Scope
2. Normative Reference
3 Definitions
4 Technical Requirements
5. Testing Method
6. Inspection Rules
7 Packages, Storage and Kickback
Annex A
Annex B
Annex C
Annex D
1. Scope
This national standard specifies the definition, technical requirement, test method, inspection rules, packaging, leaving factory, storage, kickback of admixtures used in cement concrete.
The standard is applied to evaluate the quality of concrete admixture such as water reducing admixture, super plasticizer, hardening accelerating and water reducing admixture, slow setting water reducing agent, air entraining and water reducing admixture, Hardening accelerating admixture, retarder, air-entraining agent, which are mixed into concrete.
2. Normative Reference
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 176-1996 Method for Chemical Analysis of Cement
GB/T 8074 - 87 Method for Cement Surface Area Testing Blaine Method
GB/T 8075 - 87 Definition, Classification, Nomenclature and Terms of Concrete Admixtures
GB/T 8077 - 87 Method for Concrete Admixture Uniformity Test
GB/T 14684 - 93 Building Sand
GB/T 14685 - 93 Pebbles and Crackle for Construction
GBJ 80 - 85 Standard for Test Method of Performance on Ordinary Fresh Concrete
GBJ 81 - 85 Standard for Test Method of Mechanical Properties on Ordinary Concrete
GBJ 82 - 85 Standard for Test Methods of Long-term Performance and Durability of Ordinary Concrete
JGJ 55 - 81 Standard for Technical Methods of Ordinary Fresh Concrete Mix Rate Design
JGJ 63 - 89 Standard for Concrete Mixing Water
3 Definitions
This standard adopt following definitions.
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