For the deformation calculation in pile group, the force transfer path is used here. They consider a4*v'Xc5
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pile and soil inside of pile group work together and use the force transfering angle to decide the _b&|0j:Ud
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under layers. The soil surrounding pile group area support the pile and soil inside of pile group. C~En0 G1
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For the group pile capacity, they use individual pile and add the pile group effect. The idea just SXL3>-Z E
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continue from single pile design. zD{]3pg
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Different ways and ideas for two calculations, it is a little bit hard to understand. But both are correct. D$ds[if$U,
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BTW: in the beam design, the force transfer path also be used now in some countries.