1.1这些试验方法包括硅酸盐水泥混凝土中使用的飞灰和生火山灰或煅烧火山灰的取样和试验程序。 1.2程序按以下顺序出现: 小节 取样 7. 化学分析 试剂和仪器 10 含水量 11和12 点火损失 13和14 二氧化硅、氧化铝、氧化铁、氧化钙、氧化镁、三氧化硫、氧化钠和氧化钾 15 有效碱 16和17 物理测试 密集 18 细度 19 砂浆棒干燥收缩增加 20至22 坚固性 23 砂浆夹带空气 24和25 硅酸盐水泥强度活性指数 26至29 需水量 30 粉煤灰或天然火山灰控制碱-硅反应的有效性 31 粉煤灰或天然火山灰增强抗硫酸盐能力的有效性 33 1.3以国际单位制表示的数值应视为标准。括号中给出的值仅供参考。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 1.5本标准的文本引用了提供解释信息的注释和脚注。这些注释和脚注（不包括表中的注释和脚注）不应视为本标准的要求。

1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use in portland-cement concrete. 1.2 The procedures appear in the following order: Sections Sampling 7 CHEMICAL ANALYSIS Reagents and apparatus 10 Moisture content 11 and 12 Loss on ignition 13 and 14 Silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide and potassium oxide 15 Available alkali 16 and 17 PHYSICAL TESTS Density 18 Fineness 19 Increase of drying shrinkage of mortar bars 20 to 22 Soundness 23 Air-entrainment of mortar 24 and 25 Strength activity index with portland cement 26 to 29 Water requirement 30 Effectiveness of Fly Ash or Natural Pozzolan in Controlling Alkali-Silica Reactions 31 Effectiveness of Fly Ash or Natural Pozzolan in Contributing to Sulfate Resistance 33 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.5 The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables) shall not be considered as requirements of this standard.