When the pile is un-bolstered and uncased, the pile can fall short in rigidity if there functions an uplifting force. what's the allowable settlement limitations for that piles. what about the impact team performance factor. How about modeling them to the FEM offers with Modulus of subgrade reaction & https://gunnerbjszh.activablog.com/29089770/pile-installation-services-bangladesh-no-further-a-mystery