Research Article

Excavation Sequence and Surrounding Rock Mass Stability of Large-Scale Underground Engineering with 8 Tunnels

Table 6

Tensile axial forces in the bolts at the top point.

TunnelIES1/(kN)IES2/(kN)IES3/(kN)

#154.150.353.9
#258.954.259.0
#351.756.052.7
#458.062.562.9
#558.953.555.5
#664.759.164.9
#754.457.354.2
#851.554.150.4