Road Retexturing Services
Texturing To Improve Safety
Asphalt and Concrete road and runway surfaces do over time develop poor friction characteristics.
This poor friction situation can be the result of many conditions:
· Poor initial surface friction due to bitumen binder on the surface after laying new materials.
Especially true of modern SMA. materials
· Wear and polishing of the aggregate surface reducing micro texture, due to normal traffic and the elements, decreasing the friction levels.
· Build-up of contaminates on the surface reducing macrotexture and negatively effecting surface draining properties, increasing the risk of aquaplaning.
The HVIM method of treatment is a safe, fast and cost effective method that can bring back the original Macrotexture and Microtexture resulting in improved friction levels without significant disruption to traffic or any reduction of the long term performance of the pavement.
The Tracblast dust free, high velocity impact (HVIM) shot blast method of surface preparation has a significant, positive effect on friction coefficient for both concrete and asphalt surfaces.
The blasting process is highly adjustable to produce any specified texture. The self contained, customized solution allows for significant improvement in both macrotexture and microtexture improving friction levels on both asphalt and concrete surfaces. This rejuvenation processes for asphalt roads and runways can improve the useful life of these valuable surfaces.
The high cost both financially and environmentally, of traditional resurfacing solutions for mature asphalt causes transportation agencies to seek alternative methods for extending the life of the pavement
Improvements can be realised in localised areas such as problematic intersections and curves to entire roadways and runways.
This surface preparation method can be used to enhance the penetration of rejuvenation or surface enhancement products such as High Friction surfacing.
The process provides a clean surface for uniform penetration which allows superior bonding characteristics. Friction coefficient for asphalt surfaces can be improved leaving an attractive surface with improved safety characteristics.
The combination of increased penetration and improved friction effectively extends the useful life of asphalt surfaces resulting in significant cost savings of up to 70%.
Problem
Concrete and asphalt Pavements can develop poor friction characteristics due to:
• Wear and “polishing” of the aggregate surface
• Build-up of binder and contaminates in the surface
• Poor surface draining properties.
• The high cost of traditional resurfacing solutions.
• Poor initial surface friction after being laid,
(Early Life Skid Resistance)
Need
A safe, fast and cost effective method that can restore the original Macrotexture and Microtexture resulting in improved friction levels without significant disruption to traffic or any reduction of the long term performance of the pavement.
Solution
The re-texturing process can renew, restore or improve the original design properties of the road surface with regard to texture and skid resistance. The Tracblast dust free, high velocity impact/shot blast method can have significant, positive effect on friction coefficient for both concrete and asphalt surfaces. The blasting process is self contained and highly adjustable to provide a customised solution for significant improvement in both macrotexture and microtexture. Improvements can be achieved in localised areas such as problematic event areas or an entire road networks.
