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Road maintenance usually requires part of the existing structure to be removed, for which the most straightforward method today is COLD MILLING. Milling jobs can be categorized based on the specific road maintenance or construction job requirements:
– Surface milling: removing layers of asphalt or concrete
– Deep milling: trench opening for public utility maintenance
– Groove milling: milling narrow openings with a cutting wheel
– Fine surface milling: removing thin layers and restoring surface texture and skid resistance
– Profile milling: correcting the cross slope, repairing profile deficiencies such as longitudinal waves and rutting
There are many problems arising from traditional road demolition techniques. Removed bulk material is course and further processing necessary such as collection, breaking, sorting. Altogether with the need for transportation and dumpsite, these methods are costly and time-consuming. Whereas milled aggregate can be reused, that is to say, recycled with no further processing.
Furthermore, with surface milling, it is possible to remove road structure layer by layer and to correct road profile geometry as well. Our colleagues are the best in their field and with regular training, we are devoted to providing the best service to our clients.
For the different milling technologies, we collected detailed information in the corresponding subfolders.
Mainly we work on supply service line maintenance job sites where opening trenches is far more economical and faster than traditional methods.
These open trench job sites in cities are extremely sensitive to production lead-time; therefore deep milling is the best solution. With deep milling, the trench is opened, the material is broken and loaded on the truck in one step. This evenly broken asphalt and concrete can afterward be reused economically as filler material. Our clients save all the costs of excavator, hydraulic breaker, edge cutter, multiple material handling, breaking, sorting, and dumpsite.
We carry out deep milling works from the minimum width of 50 cm.
Groove milling is a narrow milling technology mainly used to cut narrow openings for cables, protection tubing, or drainage. Our machines can cut from as narrow as 10 cm.
Standard milling drums have cutting tool spacing of 15mm, while on our fine milling drums tool spacing is reduced to 8mm so that we can produce extra smooth surface texture. This milling technology is most suitable for jobs like:
– Improving road surface grip and skid resistance
– Removing wheel rutting
– Cross slope correction
– Preparing surface to receive thin pavement layers
– Removing insulations and coatings
– General surface smoothing
Micro Fine Milling technology uses milling drums with cutting tool spacing of 4mm, which provides an extra-fine milled surface texture. We use it mainly for delicate jobs such as:
– Road marking removal
– Epoxy coating removal from industrial floors
Wheel ruts, pronounced bumps, or other kinds of deformation are potential risks to traffic safety. These road geometry deficiencies can be eliminated very quickly by using milling machines equipped with automated level controlling. This method simply mills off the elevated sections of the road pavement, leaving behind an even and skid-resistant surface that can be used by traffic immediately. On the other hand, surface milling is often carried out with reference to given prerequisites such as existing curbs, remaining adjacent surfaces, or even tightened string-line.
Our milling machines are equipped with state-of-the-art computer-controlled level control systems. We can carry out surface milling jobs to the highest standard and precision. Moreover, our clients benefit from our precise level controlled surface milling technology, as the unnecessary excess asphalt usage is reduced on resurfacing jobs.
Milling with Multiplex Level Control
Multiplex level control is the electronic implementation of the control beam using three height sensors on the machine (front, center, and rear), and a smoothening algorithm. With multiplex level controlling longitudinal waves can be eliminated.