1.1本规程包括混凝土表面处理，以在涂覆涂料之前对表面进行处理。 1.2本规程旨在改变混凝土的表面轮廓，并清除异物和软弱表面浮浆。 1.3本标准可能涉及危险材料、操作和设备。本标准并非旨在解决与其使用相关的所有安全问题。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。有关具体的危险说明，请参阅第5节。 ====意义和用途====== 本规程用于在连续或间歇浸泡、温度循环或机械负载等工作条件下需要最佳结合的情况下制备涂层用混凝土。

1.1 This practice includes surface preparation of concrete to prepare the surface prior to the application of coatings. 1.2 This practice is intended to alter the surface profile of the concrete and to remove foreign materials and weak surface laitance. 1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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. For specific hazard statements, see Section 5. ====== Significance And Use ====== This practice is used to prepare concrete for coatings where optimum bond is desired for service conditions such as continuous or intermittent immersion, temperature cycling, or mechanical loading.