Identifying Concrete Problems

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Identifying Concrete Problems

Although it might not seem like a big deal, issues with the concrete around your house can cause big problems in the long run. A single rogue crack can turn into a leaky basement in no time, which is part of the reason I started focusing so much on evaluating concrete issues. I realized that by identifying problems early, I could have them addressed proactively to resolve the problem. This website is all about identifying issues with your concrete so that you can get things fixed quickly the first time around. Read more about concrete issues on this blog and why they are so dangerous.


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Understanding The Intricacies Of Asphalt Placement In The Asphalt Overlay Process

Asphalt overlay, a crucial aspect of road maintenance and construction, involves the application of a new layer of asphalt to enhance the durability and aesthetics of existing pavement. Among the various steps involved in this process, asphalt placement holds paramount importance. What follows is a brief list of the steps involved in the asphalt placement process.

  1. Surface Preparation: Before any asphalt can be placed, it is crucial to prepare the existing pavement surface. This typically involves cleaning the area of debris and loose materials. If necessary, the surface may be milled or ground to create a smooth, uniform base for the new asphalt layer.
  2. Tack Coat Application: To ensure proper bonding between the existing pavement and the new asphalt layer, a tack coat is applied. This thin layer of asphalt emulsion acts as a sticky glue, promoting adhesion and preventing delamination.
  3. Hot Mix Asphalt (HMA): Hot mix asphalt, a blend of aggregates and asphalt binder, is the most commonly used material for overlays. The HMA is transported to the construction site in heated trucks, maintaining its temperature for workability.
  4. Placement Technique: The asphalt placement process involves specialized equipment, such as pavers, which are responsible for spreading and leveling the HMA. These machines are equipped with adjustable screeds that help achieve the desired thickness and smoothness of the new layer.
  5. Compaction: Proper compaction is crucial for the long-term performance of the overlay. Heavy rollers are used to compact the newly placed asphalt. This process ensures the removal of air voids, enhances density, and promotes stability.
  6. Rolling Patterns: Various rolling patterns are employed to optimize compaction. Initial breakdown rollers are used to achieve initial density, followed by intermediate and finish rollers to further enhance compaction and smoothness. The use of multiple passes and changing rolling patterns ensures uniform density throughout the overlay.
  7. Edges and Transitions: Attention is given to the edges of the overlay, which are tapered and blended with the existing pavement. This creates a seamless transition and minimizes potential tripping hazards for pedestrians and vehicles.
  8. Curing: After compaction, the newly placed asphalt overlay needs time to cure and cool. During this period, it is essential to restrict traffic to ensure proper bonding and hardening of the asphalt. Curing times may vary, but typically a few hours is sufficient.

Asphalt placement is a precise and meticulous process that plays a vital role in the successful implementation of an asphalt overlay. From surface preparation to compaction and finishing touches, each step is critical for achieving a durable, smooth, and visually appealing pavement surface. 

Reach out to a local service, such as  J & B Asphalt & Paved LLC., to learn more.