look at here
https://www.scribd.com/document/665094652/293710Micropile-Deep-Structure-Solutions-Nj-De-Pa-Coast-Systems-Team-L-Lc-Deep-Foundation-Ecological-Construction
A screw pile might be furnished with even more helices relying on the dirt condition. Usually, the more helices given, the greater pullout resistance is anticipated. This stack type is made use of extensively in