Designation: C138/C138M − 14 American Association StateHighway and Transportation Officials StandardAASHTO No.: T121Standard Test Method forDensity (Unit Weight), Yield, and Air Content (Gravimetric)of Concrete 1This standard is issued under the f i xed designation C138/C138M; the number ...
ASTM C138/C138M-24a 适用范围 1.1 本试验方法包括新拌混凝土密度(见注 1)的测定,并给出了混凝土产量、水泥含量和空气含量的计算公式。产量定义为由已知数量的成分材料的混合物生产的混凝土的体积。1.2 以 SI 单位或英寸-磅单位表示的值应单独视为标准。每个系统中规定的值可能并不完全相同;因此,每个系统应独立...
ASTM C138/C138M-24a 适用范围 1.1 本测试方法涵盖了新拌混凝土密度(见注1)的测定,并给出了混凝土产量、水泥含量和空气含量的计算公式。产量定义为由已知数量的成分材料的混合物生产的混凝土的体积。1.2 以 SI 单位或英寸-磅单位表示的值应单独视为标准。每个系统中规定的值可能并不完全相同;因此,每个系统应独...
2001年 ASTM C138-01 混凝土单位重量、产量和空气含量(重量)的标准测试方法1.1 本试验方法包括新拌混凝土密度(见注 1)的测定,并给出了混凝土产量、水泥含量和空气含量的计算公式。产量定义为由已知数量的成分材料的混合物生产的混凝土的体积。 1.2 以英寸-磅或 SI 单位表示的值应单独视为标准。 SI 单位显示在括...
ASTM A338 - 84(2009) Standard Specification for Malleable Iron Flanges, Pipe Fittings, and Valve Parts for Railroad, Marine, and Other Heavy Duty Service at Temperatures Up to 650°F (345°C) - See all versionsASTM A340 - 03a(2011) Standard Terminology of Symbols and Definitions Relating ...
内容提示: Designation: C1249 − 18Standard Guide forSecondary Seal for Sealed Insulating Glass Units forStructural Sealant Glazing Applications 1This standard is issued under the f i xed designation C1249; the number immediately following the designation indicates the year oforiginal adoption or, in...
Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete (ASTM Designation: C 138/C 138M-08)doi:AASHTO T 121M/T 121-05该方法包括测定新拌混凝土的密度(见注1),并给出\n计算混凝土屈服,水泥含量和空气含量的公式.产量是\n定义为由已知数量的成分混合物...
(which is often the case at very high material temperatures, i.e. above 32 °C) a passing seam can be compromised. With excessive air pressure in the PVC channel at very high sheet temperature, we are expecting the weld to have much higher peel strength than the standard specification ...
(which is often the case at very high material temperatures, i.e. above 32 °C) a passing seam can be compromised. With excessive air pressure in the PVC channel at very high sheet temperature, we are expecting the weld to have much higher peel strength than the standard specification ...
C86200 ASTM B138铜合金 规格 齐全 关键词 C86200 ASTM B138铜合金 所在地 广东省深圳市坪山新区宝龙工业区 联系电话 15989540608 手机 15989540608 经理 杨颖请说明来自顺企网,优惠更多 请卖家联系我 15989540608 1585499819 详细介绍 C86200 ASTM B138铜合金 ...