What is the minimum diameter of a bored pile?
According to the regulations of rotary drilling and grouting pile operation regulations, the minimum diameter of rotary bored pile is 670mm, the drill bit diameter is 600mm, and the actual drilling hole is 670mm.
The minimum diameter of the rotary bored pile is 670mm, the drill bit diameter is 600mm, and the actual drilling hole is 670mm.
The diameter of the bored pile is 310~870 mm, and the diameter is 500, 600 and 700 millimeters. The length of pile is determined according to the pile end resistance and the characteristics of the pile side resistance, the thickness of soil layer and the diameter of pile!.
The minimum diameter of the bored pile is 310 mm;
