I am in the process of using APN1 to guide us thro the specification for a
small car park under some protected trees in a protected setting.
The Geogrid refered to in APN1 seems a bit theoretical. So far research has
produced a product called a VOLTA CELL, confinement system which is supplied
in panels and can be secured by pins. I am acquiring a sample.
Does anybody have any experience of the same product or any other
alternatives or any info on the weight distrubution it will afford over the
tree roots.
Ken
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