Gabion Stability
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Free standing walls should not exceed the 2:1 ratio
Std retaining walls should not exceed the 2:1 ratio
Walls less than the 2:1 ratio need internal supports to prevent collapse
Retaining walls with additional loads on top of them, e.g. driveways, banks, buildings, will require extra depth, and possibly an engineer's design.
Gabion support posts must extend to at least 1.5 x Depth from the top of the gabion basket
Gabion support posts spacing should be no greater than 1.0m apart.
Gabion wall design standards
Hollow steel posts need capping to avoid water ingress.
Gabion posts must be robust to resist gabion wall load.
An engineer's design will always take precedence here.
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