色漆和清漆.防护漆体系对钢结构的腐蚀防护.第8部分:新工艺和维修规范的开发

[中文适用范围]： 本文件涵盖了使用防护油漆系统保护钢结构免受腐蚀的规范。它涉及车间或现场的新建和维护工作，也适用于单独组件的腐蚀防护。本文件涵盖暴露于不同环境引起的腐蚀应力（如室内、露天、浸入水或土壤中的钢结构）以及特殊应力（例如由于中高温引起的）。考虑了不同的耐久性范围。本文件还涵盖了经过热浸镀锌、金属喷涂、电镀锌或Sherardizing处理的钢表面，以及先前涂漆的钢表面。在本文件中，涉及评估腐蚀防护工作质量和所用防护油漆系统性能的参考区域得到处理。本文件提供了详细的新建和维护规划流程图，在编写规范时考虑了这些流程图。如果发生极端腐蚀应力或高温，或者防护油漆系统要用于其他基材（如非铁金属或混凝土），则可以使用本文件来定义合适的规范。 [外文原描述]： ISO 12944-8:2017 covers the development of specifications for corrosion protection of steel structures using protective paint systems. It relates to new work and maintenance in the workshop or on site and is also applicable to the corrosion protection of individual components. ISO 12944-8:2017 covers the corrosion protection of steel structures exposed to different corrosion stresses by environments such as indoors, open-air and immersion in water or burial in soil, as well as special stresses, due for example, to medium or high temperatures. The need for different durability ranges is considered. Steel surfaces that have been hot-dip-galvanized, metal-sprayed, zinc-electroplated or sherardized, and previously painted steel surfaces, are also covered by ISO 12944-8:2017. In ISO 12944-8:2017, reference areas for assessing the quality of the corrosion protection work and the performance of the protective paint systems used are dealt with. ISO 12944-8:2017 provides detailed flow charts for planning new work and maintenance, which are taken into account when writing a specification. ISO 12944-8:2017 can also be used as a guide if extreme corrosion stresses or high temperatures occur, or if the protective paint systems are to be used on other substrates, such as non-ferrous metals or concrete, to define suitable specifications.