Research Article

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

Table 2

Step of 3 IESs for 8 tunnels.

StepIES1IES2IES3

1#1 and #3#1 and #5#1, #3, #5, and #7
2#2 and #4#3 and #7#2, #4, #6, and #8
3#5 and #7#2 and #6ā€‰
4#6 and #8#4 and #8ā€‰