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 − 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
外加剂ASTM C494-1986
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 C 494 C 494M-99a - Standard Specification for Chemical Admixtures for Concrete COPYRIGHT 2002 American Society for Testing and Materials Information Handling Services, Tue Jun 18 16:09:28 2002
ASTM - C 494-C 494M-99a - Standard Specification for Chemical Admixtures for Concrete 下载积分: 1600 内容提示: COPYRIGHT 2002 American Society for Testing and MaterialsInformation Handling Services, Tue Jun 1 8 1 6:09:28 2002 文档格式:PDF | 页数:9 | 浏览次数:51 | 上传日期:2014-01-09...
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...
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