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Gabion Supports

Gabion support posts must extend to at least 1.5 x Depth from the top of the gabion basket

Wall Ratio

Gabion retaining walls with flat ground behind or slopes of less than 5deg. should not exceed the 2:1 ratio

More Information

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

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Post Spacing

Gabion support posts spacing should be no greater than 1.0m apart.

Steel Post Caps

Hollow steel posts need to be capped to prevent water entry

Design Precedence

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

Bracewire example

Bracewire around a support post for gabion walling.

Posts Example

Support post example in a non-retaining structure.

Important note

Posts are not recommended unless engineer designed.

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February 2011