Permeability, Anti-Skid Performance, and Rainy-Weather Suitability of Colored Polymer Slurry Mixture (Permeable Type)

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The colored polymer slurry mixture is a functional pavement material composed of polymer binders, colored aggregates, mineral fillers, and performance additives. It is widely used in pedestrian paths, campus roads, bicycle lanes, and areas surrounding school playgrounds. The material provides a combination of permeability, anti-skid performance, and decorative appearance.

From the perspective of permeability, the permeable type of colored polymer slurry mixture generally exhibits moderate water permeability. Its structure relies on the micro-voids formed between aggregates and the surface texture of the pavement to allow water to infiltrate and drain. The void ratio typically ranges from about 15% to 25%, which enables rainwater to quickly disperse across the surface or gradually penetrate into the underlying layer. This helps reduce surface water accumulation during rainfall. Although its permeability is lower than that of thick permeable concrete or permeable bricks, it performs significantly better than traditional asphalt pavement in terms of surface drainage.

In terms of anti-skid performance, colored polymer slurry pavement offers excellent skid resistance. The aggregates used in the mixture, such as colored crushed stones or basalt aggregates, usually have a rough surface texture. When bonded by the polymer binder, they create a stable and coarse surface layer. This textured structure increases the friction between vehicle tires or shoe soles and the pavement surface, effectively improving skid resistance. Compared with ordinary asphalt pavement, the friction coefficient of this type of surface is generally higher, which enhances safety for pedestrians, cyclists, and light vehicles.

Regarding rainy-weather performance, colored polymer slurry mixture is well suited for use in wet conditions. Its partial permeability helps reduce water accumulation on the pavement surface, while the rough aggregate texture improves traction under wet conditions. As a result, the pavement maintains good anti-slip properties even when it is wet, making it particularly suitable for areas where safety is important.

Overall, the permeable colored polymer slurry mixture provides good drainage performance, strong skid resistance, and reliable safety during rainy weather. In addition, its bright color and decorative appearance make it suitable for applications such as campus walkways, bicycle paths, school playground surroundings, and urban slow-traffic systems.

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