饰面混凝土结构多处于室外,长期暴露于空气之中,受到环境中种酸性物质等的侵蚀,易于导致混凝土结构表而风化,保护层的碳化,影响饰面混凝土的装饰功能。现将以饰面混凝土耐久性为基础,提出混凝土保护层厚度和配合比的设计方法,并对相关问题分别进行阐述。 Facing the concrete structure mostly in the outdoor, long-term exposure to the air, by the acidic substances in the environment such as erosion, easily lead to the concrete structure of the table weathering, carbonization of the protective layer, affecting the decorative concrete decorative features. Now based on the durability of decorative concrete, the paper presents the design method of concrete protective layer thickness and compounding ratio, and expounds the related issues respectively.