Designation: C494/C494M − 15aStandard Specif i cation forChemical Admixtures for Concrete 1This standard is issued under the f i xed designation C494/C494M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of ...
ASTM C494/C494M-24的发布历史信息,1.1 本规范涵盖了作为化学外加剂添加到水硬性水泥混凝土混合物中用于以下八种目的的材料:1.1.1 A 型 - 减水外加剂,1.1.2 B 型 - 缓凝外加剂,1.1.3 C 型 - 促凝外加剂,1.1.4 D 型 - 减水和缓凝外加剂,1.1.5 E 型 - 减水和
适用范围 1.1 本规范涵盖了用作化学外加剂的材料,在现场添加到水硬性水泥混凝土混合物中,其目的或用途如下八种类型所示: 1.1.1 A8212 型;减水外加剂,1.1.2 型B8212;缓凝外加剂,1.1.3 C8212 型;速凝外加剂,1.1.4 D8212 型;减水和缓凝外加剂,1.1.5 E8212 型;减水和速凝外加剂,1.1.6 F8212 型...
Designation: C494/C494M − 17Standard Specif i cation forChemical Admixtures for Concrete 1This standard is issued under the f i xed designation C494/C494M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last...
ASTM C1617-24 Standard Test Method for Quantitative Accelerated Laboratory Evaluation of Extraction Solutions Containing Ions Leached from Thermal Insulation on Aqueous Corrosion of Carbon Steel STANDARD by ASTM International, 05/01/2024. LANGUAGES: English ...
47、IEEE Std C37.238a-2023 (Amendment to IEEE Std C37.238-2017) C37.238a-2023 - IEEE Standard Profile for Use of IEEE 1588 Precision Time Protocol in Power System Applications Amendment 1 Adding a Type-Length-Value (TLV) to Indicate the Latest International Earth Rotation Service (IERS)-Spec...
ASTM C494/C494M-99ae1,1.1 This specification covers materials for use as chemical admixtures to be added to hydraulic-cement concrete mixtures in the field for the purpose or purposes indicated for the seven types as follows:1.1.1 Type A--Water-reducing
The highlights include the new Type S category in ASTM C 494/C 494M and its acceptance by agencies and specifiers, and the revamped and expanded ACI 212.3R-10 comprehensive state-of-the-art report.Charles K. NmaiBradley ViolettaInternational Conference on Superplasticizers and Other Chemical ...
标准号:ASTM C494/C494M-2012 中文标准名称:混凝土用化学添加剂的标准规范 英文标准名称:Standard Specification for Chemical Admixtures for Concrete 标准类型:Q13 发布日期:1999/12/31 12:00:00 实施日期:1999/12/31 12:00:00 中国标准分类号:Q13 ...
ASTM E136 - 12 Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C - See all versionsASTM E139 - 11 Standard Test Methods for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials - See all versionsASTM E140 - 12b Standard Hardness ...