By Baylee Duval. driveway. Published at Friday, January 18th, 2019 - 17:13:11 PM.
These asphalt paved driveways consist of rock particles, sand, and asphalt cement, which make it flexible and durable at the same time. New asphalt is by far the most flexible because it still retains many of the lighter hydrocarbon oils that make up its DNA structure. Crushed gravel makes up the foundation on which the asphalt is laid, to promote stability of the asphalt structure.
There are 2 methods you can employ as the bed for block paving, one, you have fully compacted sand making the sub base and the laying coarse much firmer, achieving a much flatter surface. To achieve this you need your sand approx 10 – 15mm higher than the finished screeding height, this surplus sand is screeded off to the correct height and then you lay your block paving.
Three Place a geotextile layer (weed control fabric) on top of the subsoil to the total area of your driveway. This eliminates mixing of the sub soil or clay and the hardcore yet still allows water to flow away freely.Hold this in place using a few bricks or blocks and keep it tight whilst adding the hardcore.
Traditional gravel or pea shingle driveways: These were once only for the very wealthy. They were introduced as a security measure. The idea being that when a vehicle or person made contact with the shingle, the noise would alert the household to the intruder.
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