Pavement design for crane pad and for 900 kpa, 600 kpa and 300 kpa

[utkarsh22]

Hi,
My client needs me to build a crane pad for lifting a 22-ton tank and a pavement piece for various permitted bearing pressures (900 Kpa, 600 Kpa, and 300 Kpa). The overall weight of the crane, including the counterweight, is 169.5t. Additionally, a 3 m depth of sandy clay is mentioned in the geotechnical report of the location. Kindly provide me a link to the resources that may be used as a guide for designing the pavement sections. The reference output results are attached below.

 

[geotechguy1]

https://www.twforum.org.uk/viewdocument/working-platforms-design-of-granu

There is this temporary works forum reference for design of granular platforms for cranes

 

[utkarsh22]

Do you have any references for design steps to be followed for concrete with subbase pavement design (selecting the thickness of each layer) having a subgrade of CBR 3.

 

[EireChch]

I dont think this is a pavement design. It is a bearing capacity assessment of the bearing pads of the crane, I presume its an outrigger crane?

 

[utkarsh22]

Yes, EireChch. It's an outrigger crane with four pad sizes of 2.5m x 2m each. I have to design a soil profile with the thickness of each layer, below the crane pad.