1.1本试验方法包括测定与波特兰水泥混凝土一起使用的乳胶粘结系统的粘结强度。本试验方法涵盖将硬化砂浆试样与新拌砂浆试样粘结。 1.2以英寸-磅为单位的数值应视为标准值。 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====== 本试验方法可用于测量乳胶系统在新拌混凝土与硬化混凝土粘接中的有效性。

1.1 This test method covers the determination of the bond strength of latex bonding systems for use with portland-cement concrete. This test method covers bonding hardened mortar specimens to freshly mixed mortar specimens. 1.2 The values stated in inch-pound units are to be regarded as the standard. 1.3 This standard does not purport to address all of the safety problems, 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 can be used in measuring the effectiveness of latex systems in bonding fresh concrete to hardened concrete.