Commercial asphalt paving, a critical aspect of urban infrastructure in Cambridge, ON, involves constructing and surfacing asphalt areas like parking lots, driveways, and walkways. These are tailored to meet the unique demands of businesses and commercial properties. In this blog, we’ll explore the crucial elements of commercial asphalt paving, focusing on the materials, ratios, and types of asphalt suitable for commercial projects in Cambridge.
Materials Used in Commercial Asphalt Paving:
Selecting suitable materials is vital for the effectiveness of commercial asphalt paving. Key materials include:
- Aggregates: A primary component of asphalt mixes, aggregates come in various shapes and sizes, such as sandy gravel, crushed stone, and pebbles. The selection influences the pavement’s strength and texture, with the size of the rocks impacting the asphalt’s quality.
- Asphalt Binder : This is the adhesive element in the mix, typically made from bitumen, a sticky, black substance derived from crude oil. The quality of the binder is crucial for the pavement’s durability and grip.
- Fillers : These additives enhance specific asphalt characteristics like flexibility, water drainage, and resistance to cracking. Polymers are commonly used as additives in commercial asphalt paving in Cambridge.
Types of Commercial Asphalt Paving:
Different projects in Cambridge require various asphalt paving types based on specific needs and environmental factors. Common types include:
- Asphalt Overlay: Adding a new layer of asphalt over an existing one is ideal for repairing damaged surfaces without complete reconstruction.
- Asphalt Resurfacing: Similar to overlaying but often requires more preparation, suitable for pavements in moderate to poor condition.
- Asphalt Milling: Involves removing old asphalt to create a fresh, smooth surface, improving drainage and fixing surface defects.
- Full-Depth Reclamation: A cost-effective method that mixes the underlying soil with crushed asphalt, suitable for repairing and rebuilding pavement structures.
- New Asphalt Construction: Used for completely new surfaces, often required for new developments or total replacements.
Material Ratios for Commercial Asphalt Paving:
The right mix of stones, asphalt binder, and fillers is essential to impart the desired qualities to asphalt. Ratios vary based on the project’s nature. Common considerations include:
- Aggregate Size: Smaller particles create smoother surfaces, while coarser aggregates offer durability and better grip.
- Binder Content: Higher binder concentrations are needed for commercial projects to ensure flexibility and durability.
- Additive Proportions: These vary to enhance characteristics like wear resistance and water drainage. Organic WMA additives are used to reduce bitumen viscosity, improving workability.
- Temperature: Hot mix asphalt (HMA) temperatures typically range from 150°C to 180°C for commercial paving.
- Thickness: The thickness of the pavement is a crucial factor; thicker pavements withstand more pressure. For example, a full-depth light-duty lot might require a 4-inch thick layer, while heavy-duty lots may need around 7.5 inches.
Commercial asphalt paving in Cambridge, ON, is a multifaceted task that hinges on correctly choosing materials, precise material ratios, and appropriate paving techniques. Knowledge of these aspects is crucial, whether you’re planning a new project or refurbishing an existing surface.
When selecting commercial paving contractors in Cambridge, ensure they are well-versed in the specific type of pavement your project requires, whether it’s overlay, resurfacing, milling, or new construction. For expert guidance and service in commercial paving, consider partnering with 5 Star Paving, a trusted name in the industry, for your next project in Cambridge, ON.