Imitation stone PC brick belongs to polycarbonate brick, which is a new type of material with the effect of imitating stone. Even if the production batch is different, the color difference can be controlled, and there will be no serious color difference. Compared with other stones, it has stronger wear resistance and a variety of sizes and styles. During construction, it is also easy to cut and can be cut to any size according to one's own needs. After reading so much about imitation stone PC bricks, I believe you must have a good understanding of this material. Therefore, there must be a set of quality control standards for the raw materials of imitation stone PC bricks that we need to comply with. Let's take a look together with the editor.
1. Concrete strength requirements: The concrete strength grade should be above C30 The demoulding strength of the components should be greater than 10MPa. The factory strength of the components should meet the design requirements.
2. Surface requirements for imitation stone PC brick components: The surface of the component should have no air holes (except for imitation cave stones), uniform color, and no damage The surface of colored and high-quality clear water effect concrete components should be sprayed with transparent protective agents such as organosilicon and acrylic to enhance the weather resistance, waterproofing, and pollution resistance of the component surface.
3. Reinforcement requirements: Select reinforcement based on factors such as component shape, size, and usage requirements A 150mm steel mesh should be installed when the single-sided size of the imitation stone PC brick plane is greater than 500mm.
4. Thickness requirements for imitation stone PC brick components: The thickness for paving should be 40mm. The thickness for facade effects should be ≥ 50mm (see design requirements for details). Texture is not included in thickness.
5. Maintenance requirements for PC bricks: Choose steam curing, water curing, film curing, natural curing, and other methods according to the requirements of the components, effects, and usage. The maintenance period of the components should not be less than 7 days, and the temperature of the maintenance environment should be greater than 5 ° C. Colored concrete components should be naturally cured, and it is strictly prohibited to expose them to sunlight and rain in the open air using stone like PC bricks.
6. Weight requirement: Considering the convenience of on-site construction, the weight of the components should be less than 100kg. For components weighing 2100KG, it is necessary to set up auxiliary embedded parts production units for the construction of imitation stone PC bricks to deepen the drawings.
The quality control standards for imitation stone PC brick raw materials are actually basic standards. Ordinary cement grade 242.5 Portland cement. The particle size of river sand is selected according to the effect, and medium sand is generally used without special requirements. Inorganic pigments with good alkali and weather resistance. The water used for water production should comply with the "Standard for Water Used in Concrete Mixing".
