Crane Mat Sizing

Estimate minimum contact area from leg load and soil capacity:

Outrigger Force (kN)

Allowable Soil Pressure (kPa)

Suggested Dimension1.32 m × 1.32 m

Point Load & Pressure

Pad ground bearing pressure calculations:

Outrigger Force (T)

Width (m)

Length (m)

Pad Surface Area1.44 m²

Chart Utilization

% of WLL

Current Total Load

Max Rated Load

0%90%100%130%

—enter a positive WLL

Minimum WLL Required

Find minimum capacity rating needed for your load:

Load + Rigging (T)

Do not exceed %

Capacity & Engineering Calculations