As observed from the figure below, continuous auger is accustomed to drill the borehole, lift up drilled soil, and pour concrete whilst the auger is moved up. Therefore, the borehole won't need casing or hydrostatic tension to avoid damage to the borehole wall. Wherever relevant, the paper considers the affect https://ellioteczuo.bloggerchest.com/32481479/facts-about-cast-in-situ-piles-revealed