As noticed within the figure under, continuous auger is utilized to drill the borehole, raise up drilled soil, and pour concrete when the auger is moved up. Due to this fact, the borehole isn't going to have to have casing or hydrostatic stress to stop harm to the borehole wall. https://cast-in-situ-piles92331.tkzblog.com/32414154/the-best-side-of-cast-in-situ-piles-in-dhaka