Abstract:
The apparent quality is a key indicator for evaluating the quality of mirrored fair-faced concrete engineering, and the selection of formwork scheme has a significant impact on its apparent quality. In order to explore the mechanism of different template materials on the apparent properties of mirror like plain concrete and obtain the optimal template process parameters, this paper conducted a special comparative study. Based on the Sangpu Mountain Station project in Jieyang City, Guangdong Province, two formwork schemes were designed: steel formwork with 1.5+mm acrylic board pasted inside and steel formwork with HD-6 long-lasting formwork paint (epoxy resin material) coated inside. By systematically measuring key indicators such as the flatness, glossiness, color, and bubble characteristics (size and quantity) of the concrete surface, the influence of different formwork schemes on the apparent quality of mirrored fair-faced concrete can be quantitatively evaluated. The research results show that compared with the HD-6 template paint scheme, the steel template with acrylic board can increase the glossiness of the concrete surface by 68.7% and reduce the color by 55.1%. At the same time, it can meet the requirements of the decorative plain concrete in terms of bubbles and other related indicators, and the bubble area per square meter can be reduced by 27.9%. However, the glossiness of this scheme is highly sensitive to external environment and time, and its stability needs further improvement. The research results provide theoretical basis and technical reference for establishing standardized construction technology of mirrored fair-faced concrete and establishing a scientific appearance quality inspection system.