Video, sounds and noises of the asphalting of a street. What are the steps? See these images.
The process of asphalting a street typically involves several steps. Here are the general steps involved in the process:
Planning and preparation: This stage involves evaluating the condition of the street, determining the scope of work, and planning the project. It includes assessing the existing pavement, identifying any necessary repairs or improvements, and calculating the required materials and equipment.
Traffic management: Before the construction begins, proper traffic management measures are implemented to ensure the safety of workers and road users. This may involve setting up temporary detours, traffic signals, signage, and other measures to redirect traffic and maintain a smooth flow.
Excavation and base preparation: If necessary, the existing pavement or road surface is removed through excavation. This step may also involve fixing any underlying issues such as drainage problems. The road base is then prepared by compacting and leveling the ground to create a stable foundation for the new asphalt.
Installation of curbs and gutters: If curbs and gutters are part of the street design, they are installed or repaired at this stage. These features help with proper water drainage and delineate the road edges.
Binder course application: The binder course, also known as the base layer or base course, is applied over the prepared road base. The binder course consists of a lower-quality asphalt mix that provides stability and strength to the road.
Surface course application: The surface course, also known as the wearing course or top layer, is the final layer of asphalt. It is designed to provide a smooth and durable riding surface. The surface course is typically made of a higher-quality asphalt mix with specific properties for skid resistance and longevity.
Compaction: After the asphalt layers are applied, heavy rollers are used to compact and compress the asphalt. This helps in achieving proper density, reducing voids, and ensuring a solid and durable pavement.
Markings and signage: Once the asphalt has been laid and compacted, road markings such as lane lines, crosswalks, and symbols are painted on the surface. Signage may also be installed to convey traffic rules and regulations.
Cleanup and finishing touches: Any excess asphalt is removed, and the construction area is cleaned up. Sidewalks, curbs, and driveways are restored or repaired as necessary. Landscaping and final aesthetic touches may also be added.
It’s important to note that the specific steps and processes can vary depending on factors such as the location, project requirements, and local regulations. Large-scale projects may involve additional stages, such as milling the existing pavement, applying a tack coat between layers, or using specialized paving equipment.
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