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When road builders talk about pavement, they’re not talking about a footpath.
They are referring to the mixture of compacted rock, sand and cement that lies under the seal. It is these layers that carry the weight of traffic.
We’re building a special type of pavement on this project called Hi-Lab. This pavement includes lots of large rock (65mm and 40mm), with just enough finer gravel, sand and cement to bind those large rocks permanently in place.
Hi-Lab blend can't be blended and transported to site because road vibration causes the rock and finer material to separate.
To make Hi-Lab, we’ve assembled a relocatable blending plant on site near Lake Road, imported from France. This will blend the components for pavement construction in the north. Later, the plant will be broken down and relocated as pavement construction moves further south.
Click the photo at right to see the plant working.
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