As observed with the figure under, constant auger is used to drill the borehole, elevate up drilled soil, and pour concrete when the auger is moved up. Due to this fact, the borehole won't have to have casing or hydrostatic strain to circumvent harm to the borehole wall. The usage https://lukasuncob.theisblog.com/32780665/fascination-about-cast-in-situ-piles-in-dhaka