The radius of the pad is equal to half of its diameter.
How to calculate size of mat for outrigger loads.
For the outrigger pad calculator to work effectively you ll need maximum load per outrigger and the maximum allowable ground pressure in the same unit of measurement.
Cpa provides outrigger load calculator.
An example of a helpful inclusion in the document is a simplified calculation tool for using outrigger mats.
Outrigger pad calculator helping you size your outrigger pads.
Where do i find the maximum load per outrigger.
Divide by surface area of the mat this gives me the maximum loadings over one outrigger not the specific bearing pressure.
Ground type ground comes in granular and cohesive types.
The tables indicate the whole of this load acting in the worst case scenario over a single crane outrigger support pad.
Mat size mat size deducted from point load in 3 in kns soil type value 2 73500 x 9 81 721 035 kns.
Before you begin let s go.
Crane weight and attachments plus load weight and rigging.
Outrigger load point load 1 2 x 100 50 000 23 500 x1 73 500kgs or 73 5t 4.
The maximum load to be lifted 22 000kgs load 1 500kgs 3.
The guide is intended to provide a general indication of the safe working load capacity of various soils and surfaces depending on the size of the loaded area and the type of soil or surface.
An example of a helpful inclusion in the document is a simplified calculation tool for using outrigger mats.
We advise 100 of the gross crane weight be used in your calculations.
The guide is intended to provide a general indication of the safe working load capacity of various soils and surfaces depending on the size of the loaded area and the type of soil or surface.
Be sure to use the same system of measurement metric or english standard that you used in step 1.
Access platforms look for the decal on each outrigger or refer to the operator manual or consult directly with the manufacturer.
Home page tools lift planning outrigger pad load calculators national crane opl calculator.
Multiply the square of the radius of one of the outrigger pads by pi to obtain its surface area.
The outrigger loads noted above are based on the combined gross weight of the crane plus the weight of the product being lifted.
Calculate the force exerted on the ground i e.
