1 / 11

Nine Crucial Pointers for Better Asphalt Paving Quality

Asphalt paving projects don't just happen. They are the result of careful planning and preparation. Each step of the process has an impact on the others, from properly positioning the pavers to achieving the optimal mat temperature and scheduling the rolling pattern. Furthermore, accuracy throughout the process can mean the difference between getting a bonus and experiencing a delay. According to Asphalt Paving Company Oakville, proper paver setup is the first step in the entire process.<br>

Canadian30
Download Presentation

Nine Crucial Pointers for Better Asphalt Paving Quality

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. NINE CRUCIAL POINTERS FOR BETTER ASPHALT PAVING QUALITY

  2. Projects involving asphalt paving don't just happen. They are the outcome of thoughtful preparation and planning. Every stage of the procedure, from setting up the pavers correctly to reaching the ideal mat temperature and timing the rolling pattern, affects the others. And attention to precision throughout the procedure can spell the difference between obtaining a bonus and being delayed. It all starts with correct paver setup, discussed by Asphalt Paving Company Oakville.

  3. 1.PROPER PAVER SETUP Smooth pavement Before work starts, make sure all parts and the paving machine are inspected for any problems that might impact safety or operation. Check all fluid levels before starting the paver, and after it's running, check all gauges. During the workday, apply a release agent or coating solution to any parts that come into contact with asphalt to help prevent it from sticking to bare metal parts. Some paver manufacturers have developed integrated coating systems that are operated through the machine.

  4. 2. LAYING A SUPERIOR MATTING Pavement quality is influenced significantly by both paver speed and material level. Consistency is the key to both successful material installations: paving pace and the amount of material placed in front of the screed at the same height.

  5. 3. Keeping a sufficient head of material An incorrect head of material in front of the screed is the cause of more than 95% of material problems in asphalt paving. The mass of paving mix that sits directly in front and extends over the screed's width is known as the "head of material." The production of a level and smooth pavement surface is almost impossible if this varies significantly while paving. A rise in material head results in a thicker mat that may have a wavy surface, whereas a fall in head leads to thinner mats with significant defects. The proper material head should remain constant over the screed's whole width.

  6. 4. PACING VELOCITY Uneven mat depth, waves, and ripples can happen when paving speed isn't consistent. Since paving pace can have a direct impact on the ability to lay a consistent mat, the paver should ideally run continuously throughout the day. Timing the delivery of hot mix material to keep the hopper at least one-third full is made more difficult by variations in speed. Consequently, vehicles that arrive at the jobsite irregularly or bump pavers during the truck exchange are the main causes of changes in paving speed.

  7. 5. Density Pavement needs to withstand strong traffic, unforeseen loads, and, depending on the region, severe winters. Using best procedures for compaction will protect the integrity of the asphalt and postpone the need for road maintenance. The completed roadway won't offer the necessary support for structures or traffic loads without adequate compaction or densification, and the material will eventually degrade. Mat temperature, mat thickness or depth, and compactor rolling patterns are the three main variables that affect the quality of compaction.

  8. 6. Material thickness and temperature Keeping an eye on the mat's temperature is the first rule of compaction. To eliminate voids and surplus air in the pavement structure, compaction must be carried out when the mix is sufficiently fluid to permit aggregate particle movement. The amount of time allotted for compaction may occasionally be capped at ten minutes. Given the current ambient circumstances and past experience, the cooling of hot mix asphalt is predictable. To find the ideal temperatures, a compactor operator should record projects and various material types in their notes. It's crucial to spend the entire day working in that zone after it's been set.

  9. 7. Pattern of rolling • The last and most important phase in creating a road is to maintain a perfect rolling pattern. It establishes the degree of smoothness of the road and adds to its long-term stability. In order to reach the desired density, rolling must be finished before the mix temperature falls too far.

  10. 8. Intelligent Compaction (IC): IC technology permits improved record keeping, increased compaction uniformity, automation, and increased productivity for road crews, which ultimately saves time. However, prior IC systems lacked an exact density measurement, data crucial to the integrity of the finished road, and a more accurate measurement than mat stiffness alone. IC has gained momentum in the industry over the last ten years, and for good reason.

  11. 9. INSTRUCTION Manufacturer training programs can be a useful resource for learning more about operation and safety.

More Related