ASTM C780-23 适用范围 1.1 这些测试方法涵盖了在建筑实际使用之前或期间对砂浆的成分及其塑性和硬化性能进行取样和测试的程序。 注 1——指南 C1586 提供了评估砂浆的指南,并阐明了这些测试方法和规范 C270 的目的。 注 2——执行这些测试方法的测试机构应根据实践 C1093 进行评估。
C780 − 25 砌筑砂浆预制和施工检验标准 本标准规定了用于普通砌块砌体和钢筋混凝土砌块砌体的砂浆在施工前或施工期间取样和测试的标准方法。这些试验程序描述了测定砂浆组成及其塑性状态和硬化状态性质的方法。虽然没有尝试声称或证明测量特性与砂浆性能之间的具体相关性,但可以通过将这些试验方法的数据与其他信息结合...
碳(C)≤0.01,锰(Mn)≤1.00,镍(Ni)≥57,硅(Si)≤0.08磷(P)≤0.04,硫(S)≤0.03,铬(Cr)14.5～16.5,铁(Fe)4.0～7.0,钼(Mo)15.0～17.0,钨(W)3.0～4.5,钴(Co) ≤2.5 物理性能: 密度:8.9g/cm3, 熔点:1325-1370 ℃,磁性:无 机械性能: 抗拉强度:σb≥690Mpa,屈服强度σb≥275Mpa:延伸率:δ≥40...
ASTM A278/A278M - 01(2011) Standard Specification for Gray Iron Castings for Pressure-Containing Parts for Temperatures Up to 650°F (350°C) - See all versionsASTM A283/A283M - 12a Standard Specification for Low and Intermediate Tensile Strength Carbon Steel Plates - See all versionsASTM A...
标准号:ASTMC780-2015a (已作废) 中文标准名称:普通及钢筋混凝土砌体用灰浆的预施工和施工评定的试验方法 英文标准名称:StandardTestMethodforPreconstructionandConstructionEvaluationofMortarsforPlainandReinforcedUnitMasonry 中国标准分类号:Q13 国际标准分类号:91.100.10 ...
A(n) ___ is any plastic mortar sample molded immediately after mixing and sampling that sits on a vibration-free surface until tested. Undisturbed sample For compressive strength testing, higher water contents almost always result in ___. Lower strengths There is no ASTM standard method for me...
It has been investigated the effect of tempering time at 780?掳C on the creep strength of ASTM A335 grade P91 steel. The tempering temperature corresponded to the industrial tempering temperature and the times evaluated were chosen in such a way to accumulate, between the tempering prior as ...
(2 225) ⁄ 8 5 8 C (15.9) 0.0350 (0.89) 1 200 (5 340) ⁄ (15.9) 2 725 (3 225) 5 ⁄8 (15.9) 0.0350 (0.89) 1 300 (5 780) (16.0) 3 1 310 (5 830) 3 ⁄4 (19.1) 0.0400 (1.02) 1 750 (7 780) 3 (16.0) 4 1 650 (7 340) ⁄4 (19.1) 0.0500 (1.27) 2...
Steel Wire Hard-Drawn for Prestressed Concrete Pipe 《预应力混凝土管用冷拉钢丝的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A648-2012 Standard Specification for Steel Wire Hard-Drawn for Prestressed Concrete Pipe 《预应力混凝土管用冷拉钢丝的标准规格》.pdf(6页珍藏版)》请在麦多课文档分享上...
格式:PDF 页数:3 大小:73.93KB《ASTM A925-2003(2014) Standard Specification for Zinc-5&8201 % Aluminum-Mischmetal Alloy-Coated Steel Overhead Ground Wire Strand《地面架空线用锌-5%铝-铈合金涂覆钢绞线的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM A925-2003(2014) Standard Specification for...