As seen in the figure beneath, constant auger is utilized to drill the borehole, raise up drilled soil, and pour concrete although the auger is moved up. Due to this fact, the borehole doesn't have to have casing or hydrostatic strain to circumvent damage to the borehole wall. আমাদের কোম্পানিতে https://lukasrtddi.qowap.com/91829552/fascination-about-cast-in-situ-piles-in-dhaka