Road rehabilitation

A new life for worn-out roads

Structural maintenance, repair and rehabilitation

In industrialized countries, everyone is talking about the dire need to invest and modernize the existing infrastructure. This mainly involves road rehabilitation, but also extending and upgrading the existing road network. Roads are exposed to tremendous loads that will sooner or later leave their marks on them. A time will come when every road will be in need of a general overhaul. But no two damage patterns are alike. Which rehabilitation methods offer a cure for distressed roads? What are the differences between them? Which are suitable to be carried out as mobile roadworks?

Classic road rehabilitation applications include: Pavement Replacement, Fine Milling, Paving Thin Layers Hot, Paving Thin Layers Cold, Hot Recycling, In-Situ Cold Recycling, Cold In-Plant Recycling and Asphalt Recycling.

Replacing the pavement

Replacing the pavement is a standard procedure when repairing roads. The challenge is to ensure that only the damaged layers of the road structure are removed - and to avoid disruptions to traffic at the same time. Under these conditions, cold milling is the only viable option for many construction projects.

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Fine Milling

Fine milling is an alternative to time-consuming and expensive complete rehabilitation. This method is used above all when traffic safety is severely compromized by undulations, ruts or a slippery surface.

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Paving Thin Layers Hot

It is not necessary to replace the entire pavement if only the surface of the roadway shows signs of damage. The method known as "paving thin overlay hot on hot" is a particularly economical and eco-friendly alternative.

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Paving Thin Layers Cold

"Thin overlays paved cold on cold" – better known abroad as "micro-surfacing" – are another quick and cost-effective alternative to replacement of the complete pavement.

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Hot Recycling

Porous and deformed surface courses can be rehabilitated by hot recycling, a process which is exclusively applied in the form of a mobile construction site. An intact layer structure is essential here. Hot recycling improves all relevant properties of the surface and roadway profile, as well as the composition of aggregate fractions in the surface course.

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In-Situ Cold Recycling

Cold recycling in-situ is just the right technology when it comes to building a new road from old. It is mostly carried out as mobile roadworks. What are the advantages of “in-situ” cold recycling? How does the method work?

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Cold In-Plant Recycling

When cold recycling road pavements, contractors can choose between processing the milled material “in-situ”, meaning on the job site, or “in-plant”, meaning in a cold mixing plant. Their decision is influenced, however, not only by the damage patterns of the road to be repaired. What are the advantages offered by “in-plant” cold recycling? How does it work? What kinds of damage patterns can cold recycling “in-plant” be used for?

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Asphalt Recycling

The processing of recycled asphalt contributes to the conservation of natural resources and has advantages for the mix prices.

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Racetrack Rehabilitation

If the road surface is no longer even – one of the most important characteristics of a good racetrack – it has to be repaired.

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New road construction
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