1.1本试验方法描述了确定化学外加剂对混凝土中金属腐蚀影响的程序。本试验方法可用于评估旨在抑制混凝土中钢筋的氯诱导腐蚀的材料。它还可用于评估外加剂本身或在氯化物环境中的腐蚀性。本试验不适用于乳液。 1.2单位——以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.3本标准无意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。 ====意义和用途====== 本试验方法提供了一种评估缓蚀混凝土外加剂的方法。 该试验方法有助于开发外加剂，以减少混凝土中钢筋的腐蚀。 如果将外加剂样品与无外加剂的对照品进行比较，则本试验方法有助于确定外加剂对钢筋的腐蚀性。 良好的性能，在本试验中，与氯化物相比，腐蚀速率至少降低一个数量级，这有力地表明混合物是一种缓蚀剂。然而，性能较差需要额外测试，以确定外加剂是否能提高耐腐蚀性。 该方法为筛选试验，不得用于预测现场性能。然而，确定哪些外加剂应包含在长混凝土中是有用的- 学期评估计划。 过滤过程使该试验不适合评估乳液。

1.1 This test method describes a procedure for determining the effects of chemical admixtures on the corrosion of metals in concrete. This test method can be used to evaluate materials intended to inhibit chloride-induced corrosion of steel in concrete. It can also be used to evaluate the corrosivity of admixtures by themselves or in a chloride environment. This test is not applicable for emulsions. 1.2 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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. ====== Significance And Use ====== This test method provides a means for assessing corrosion-inhibiting concrete admixtures. This test method is useful for development of admixtures intended to reduce corrosion of reinforcing steel in concrete. This test method is useful in determining the corrosivity of admixtures toward steel reinforcing if the admixture sample is compared to a control without admixtures. Good performance, a reduction in corrosion rate versus chloride alone by at least one order of magnitude in this test, is a strong indication that an admixture is a corrosion inhibitor. However, poor performance requires additional testing to determine if the admixture improves corrosion resistance. This method is a screening test and shall not be used to predict performance in the field. However, it is useful to determine which admixtures shall be included into long-term evaluation programs. The filtering process makes this test not suitable for the evaluation of emulsions.