Views: 13 Author: Site Editor Publish Time: 2021-07-10 Origin: Site
It's no secret that cracks in asphalt surfaces allow water to penetrate the surface, softening the stone base and leading to alligator cracking/spider webbing, pot holes and other forms of degradation. Left unfilled, cracks will allow rain and moisture to flow through pavement and erode base materials; resulting in potholes, and ultimately in premature failure. Cracks left over the winter can grow quickly due to snow plowing and the freeze/thaw cycle. In warm and sunny climates, oxidation and humidity have a similar effect. Patching often doesn't last and can cost several times what timely crack-sealing costs. In the end, the useful life of the surface is shortened, forcing the premature and costly replacement of the surface.
There are a number of factors that contribute to the cracking of asphalt pavement. The most common include:
• Surface/Shrinkage Cracks – Caused by lack of traffic, extreme temperature changes, excess water and/or ultraviolet degradation.
• Structural/Reflective Cracks – caused by vertical or horizontal movements of pavement beneath, due to expansion and contraction with temperature and moisture changes.
• Joint or seam cracks – caused by weak seam or improper pinch roll.
Filling cracks with either a hot or cold rubberized crack sealing machines can help prevent rain and moisture from flowing through the pavement and causing pavement or base/sub-base failure. Dependent upon the amount and severity of the cracking, it will need to be determined whether or not to use a cold pour material (primarily for minimal cracks and available in a variety of packaging options) or hot pour material (for more excessive cracking, and applied using pour pots or direct or indirect fire kettle machines). A thicker, trowel grade material would be necessary alligator or spider web cracking.
Regardless of how it gets done, crack sealing/filling of asphalt pavement – driveways, parking lots and roads – is necessary structurally, JIEHE will provide 100L 200L 300L crack sealing machine to help you and help can yield long-term financial savings.
If need more details, You can contact us any time!