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 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,其目的或用途如下七种类型所示: 1.1.1 A8212 型;减水外加剂,1.1.2 类型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...
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...
ASTM D2699-22a, ASTM D2699-22, ASTM D2699-21, ASTM D2699-19e1, ASTM D2699-19, ASTM D2699-18a, ASTM D2699-18, ASTM D2699-17, ASTM D2699-16e1, ASTM D2699-16, ASTM D2699-15a, ASTM D2699-15, ASTM D2699-13b, ASTM D2699-13a, ASTM D2699-13, ASTM D2699-12a, ASTM D2699...
ASTM C494/C494M-19e1 购买 正式版 1.1 本规范涵盖了在现场添加到水硬性水泥混凝土混合物中的化学外加剂材料,其目的或用途如下七种类型所示: 1.1.1 A 类——减水外加剂,1.1.2 B型——缓凝外加剂,1.1.3 C型——速凝外加剂,1.1.4 D型——减水缓凝外加剂,1.1.5 E型——减水缓凝外加剂,1.1.6...
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...
indicated for the eighttypes as follows:1.1.1 Type A—Water-reducing admixtures,1.1.2 Type B—Retarding admixtures,1.1.3 Type C—Accelerating admixtures,1.1.4 Type D—Water-reducing and retarding admixtures,1.1.5 Type E—Water-reducing and accelerating admixtures,1.1.6 Type F—Water-reducing, ...
(13) Ductile Iron - ASTM A395 Type 60-45-15 Temp. range = -20 °F to 650 °F Composition (Percent) C - 3.00 max P - 0.08 max SI - 2.75 max (14) Ductile Ni-Resist* Iron - ASTM A439 Type D-2B Temp. range = -20 °F to 750 °F ...
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 ...
C1331-18 Standard Practice for Measuring Ultrasonic Velocity in Advanced Ceramics with Broadband Pulse-Echo Cross-Correlation Method C1332-18 Standard Practice for Measurement of Ultrasonic Attenuation Coefficients of Advanced Ceramics by Pulse-Echo Contact Technique ...