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Cockatoo VIC 3781, Australia

Asphalts

Asphalts

Before we start asphalting a road, we study the soil structure carefully. This is because the weight of the asphalted road falls on the soil. If the soil is unstable, all the hard work can come to nothing. Therefore, the actual process starts, the soil needs to be prepared by compacting. The addition of lime and cement to the soil accelerates the process. Gravel is placed and made compact over the soil, offering a stable base layer. The process of asphalting takes place in layers, generally of 6 layers. The bottom most layer has a compression strain of 200 bar