Should the diameter is under 250 mm it may be possibly micropile or helical pile and vice versa. If length is small and diameter is a lot less than 250m, It's really a micropile. Micropiles resist axial or flexure loads by concrete compression and reinforcement, building them perfect for transferring https://conkeysbakery4960471.angelinsblog.com/29920430/efficiency-of-micropile-no-further-a-mystery