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Ground bearing

What it’s for — a loaded crane pushes hard on the ground through its outriggers (or tracks). Ground bearing works out that pressure so you can choose mats big enough to spread the load safely.

When you’d use it — planning a lift on soft or uncertain ground, to decide what mats you need under each pad.

The Ground bearing screen

Open Ground bearing from the sidebar. Each row is a saved calculation showing the setup (tracks / outriggers), the gross load, the radius, and the resulting boom/mat figures.

A calculation opened up — each outrigger's pad pressure is checked against the ground's allowable capacity. You can also call this straight from a lift plan so it inherits the gross load and radius.

How to run a calculation

  1. Click + New GBP.

  2. Choose the setup — outriggers or tracks — and enter the gross load and radius (or let it inherit these from a lift plan).

  3. Craneye returns the pressure and the mat area needed to keep it within a safe limit.

Lift plans Where gross load and radius come from.
Sling loads Check the rigging side of the lift.