Volex Labs / Calculations / Gabion retaining wall design.

Gabion retaining wall design.

Enter the retained height and soil parameters, and Volex Anvil designs the gabion gravity wall: the active earth pressure, the self-weight of the rock-filled baskets, and the factors of safety against sliding and overturning, plus the bearing pressure under the base.

The design follows CIRIA C516 with standard 0.5 m gabion courses, so the number of courses and the stability factors match the guidance used for these permeable gravity walls.

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What Volex Anvil checks

Validated against the published example

Gabion gravity wall — courses and sliding stability CIRIA C516 — standard 0.5 m gabion courses
QuantityPublishedVolex AnvilError
Number of courses660.00%
Sliding factor of safety1.351.350.00%
This case is one of 359 published checks the platform passes — the full table, with every source and every error, is public at volexlabs.com/verification.

Frequently asked

Stepped or battered?
Both — stepped-front and battered gabion walls are supported, with the self-weight and lever arms set from the course layout.
Which stability checks?
Sliding, overturning and bearing are all checked, with the factors of safety of CIRIA C516 for gravity gabion walls.
Is it validated?
The course count and sliding factor are checked against CIRIA C516 — within 0.00%.
Free to use?
Yes — 10 calculations a month free; Pro (£29/month) adds unlimited runs and PDF calc sheets.

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