Gabion StabilitySimpleLow CostStone Walls
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Free standing walls should not exceed the 2:1 ratio

Walls less than the 2:1 ratio need internal supports to prevent collapse

Std retaining walls should not exceed the 2:1 ratio

Retaining walls with additional loads on top of them, e.g. driveways, banks, buildings, will require extra depth, and possibly an engineer's design.

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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.

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Hollow steel posts need to be capped to prevent water entry

Supported gabion wall foundations

Gabion support posts need to strong enough that they do not snap or bend under the load of the gabion wall.

An engineer's design will take precedence, over these guidelines.

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