It's not clear what you're after. Presumably, you want to know thickness/reinforcing.<br>
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The proper way to design such a pad is as a beam on elastic foundation. Given that, more information is required:<br>
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1. Footprint of machine<br>
2. Dimensions of pad<br>
3. Subgrade modulus, k (lbs/cu in)<br>
4. Allowable net bearing capacity of the soil<br>
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Not to mention a geotechnical engineer should evalulate the potential settlement. If the machine is hard connected, settlement may govern the design.<br>
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I doubt you will get someone to design it and e-mail you the design for free, but maybe that's just me.
