Roadworks occur when part of the road, or in rare cases, the entire road, has to be occupied for work relating to the road, most often in the case of road surface repairs. In the United States road work could also mean any work conducted in close proximity of travel way such as utility work or work on power lines
Wirtgen Group South Africa
Boitshoko Road Surfacing & Civil Works
WK CONSTRUCTION SA
Power Construction (Pty) Ltd
Trencon Construction (Pty) Ltd
Armco Superlite
Mota-Engil Construction South Africa
Raubex Construction
Enza Construction
Manhattan Construction Projects
Power Construction (Pty) Ltd
Rosibone road construction
Esor Construction (Pty) Ltd
Tau Pele Construction
KPMM Roads and Earthworks (Pty) Ltd
Odebrecht Global South Africa Pty Ltd
WK CONSTRUCTION SA
Lubbe Construction Pty Ltd
Harrogate Civil Construction (Pty) Ltd.
COLAS
Why are roads constructed?
Earthwork is one of the most important elements in road construction because it establishes a stable foundation. That is why the road’s base layers are as important as the finished surface. First, the contractor builds embankments using cuts and fills
What material is used for road construction?
3. Bituminous Materials Bituminous material, or bitumen in the form of asphalt, is one of the major highway construction materials used. Asphalt is normally a residue product from the distillation of crude oil and, as refined, is a heavy, viscous material that is semisolid at normal atmospheric temperatures
What are the stages of road construction?
Stages in Road Construction
- Clearing and Excavation. The area on which the road is going to be built on must be cleared of all vegetation, which requires the removal of trees, shrubs and bushes.
- Mounting.
- Fine Grading.
- Aggregate Base.
- Asphalt Paving.
How many types of road construction are there?
There are three major types of concrete road surfaces, JPCP, JRCP, and CRCP; the distinguishing feature between the three being the joint system that is used to help prevent cracks from forming. Concrete is more long-lasting than asphalt and significantly stronger as well, but is quite expensive to lay and maintain.