Research Article

Numerical Analysis of the Influence of Foundation Pit Blasting on a Nearby Metro Tunnel

Table 6

Blasting parameters of a pile with net diameters of 1.5 m.

No. of circleNo. of holeDiameter of circle (mm)Depth of hole (m)Distance of hole (mm)Distance of circle (mm)Quantity of hole (unit)Charge of unit hole (kg)

I1–48001.2056040.50
II5–1216001.053030080.30
Total124.40