1.1 该实践包括混凝土的表面准备，以在涂覆涂层之前准备表面。 1.2 这种做法旨在在混凝土中创建表面轮廓，并去除异物和弱表面浮浆。 1.3 本标准并不旨在解决与其使用相关的所有安全性问题（如果有）。本标准的使用者有责任在使用前建立适当的安全、健康和环境实践并确定法规限制的适用性。 1.4 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》中确立的国际公认的标准化原则制定的。======意义和用途====== 5.1 本文所述的方法用于制备用于涂层的混凝土，其中对于诸如连续或间歇浸没、温度循环或机械加载的使用条件需要最佳结合。

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 create a surface profile in concrete and to remove foreign materials and weak surface laitance. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 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 The procedures described herein are 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.