1.1 本试验方法描述了评估混凝土钢筋的单独钢丝（凹痕或普通钢丝）粘结的程序。通过本试验方法确定的粘结力表示为将钢丝穿过圆柱形钢套管中固化砂浆所需的拉力。 1.2 试验结果是在自由端滑动小于或等于0.10 in时记录的钢丝加载端测得的最大拉力。[2.5毫米]。 1.3 单位- 以英寸-磅单位或国际单位表示的数值应单独视为标准值。在文本中，国际单位显示在括号中。每个系统中规定的值可能不是精确的等效值； 因此，每个系统应相互独立使用。将两个系统的值合并可能会导致不符合标准。 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、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 混凝土钢筋用钢丝用于各种应用中，其中钢丝预期通过外露钢丝表面与周围混凝土的粘结将被动力或预应力传递给结构构件。 5.2 导线制造工艺、后续处理和储存条件可能会影响导线连接。 5.3 混凝土钢筋用钢丝用于各种混凝土混合物的施工应用中。为每种独特混合物中的电线性能制定测试方法和阈值是不切实际的。

1.1 This test method describes procedures for evaluating bond of individual steel wire, indented or plain, for concrete reinforcement. The bond determined by this test method is stated as the tensile force needed to pull the wire through the cured mortar in a cylindrical steel casing. 1.2 The result of the test is the maximum tensile force measured on the loaded end of the wire recorded at a free-end slip less than or equal to 0.10 in. [2.5 mm]. 1.3 Units— The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 Steel wire for concrete reinforcement is used in various applications wherein the wire is expected to transfer passive or prestressing forces to the structural member via the bond of the exposed wire surfaces to the surrounding concrete. 5.2 Wire manufacturing processes, subsequent handling, and storage conditions can influence the wire bond. 5.3 Steel wire for concrete reinforcement is used in construction applications with a variety of concrete mixtures. Developing test methods and threshold values for the performance of the wire in each of these unique mixtures is impractical.