https://communities.bentley.com/products/geotech-analysis/f/forum/221087/critical-depth-calculation-of-the-pileHi all, When defining the pile skin resistance for phi soil, critical depth is considered. Normally considered 15 x diameter (d) as the effective stress limiting value (loose 10d, medium 15d and dense 20d). If the clay layer overlays the sanden-USTelligent Community 12https://communities.bentley.com/thread/678619?ContentTypeID=1Mon, 25 Oct 2021 08:34:57 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:6e85f90d-4460-444d-8eb1-464fb01ba915Stefanos Papavasileiou<p>Dear Nitharshan,&nbsp;</p> <p>As this question is regarding design decisions I will leave it as a discussion post for any other geotechnical engineers using PLAXIS to comment on.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/678507?ContentTypeID=1Sun, 24 Oct 2021 14:01:57 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:26d8d30e-4a5c-401a-985f-26244a66883dNitharshan<p>If anyone know please share. Thanks,</p><div style="clear:both;"></div>