As witnessed in the figure down below, continuous auger is used to drill the borehole, raise up drilled soil, and pour concrete when the auger is moved up. Therefore, the borehole doesn't want casing or hydrostatic strain to circumvent harm to the borehole wall. Using a pile cropper is often https://cast-in-situ-piles-in-dha23334.blogunok.com/32799403/top-cast-in-situ-piles-secrets