Research Article

Optimal Analysis of Tunnel Construction Methods through Cross Passage from Subway Shaft

Table 5

Maximum stress of shaft (unit: kPa).

MethodMethod 1Method 2

StressMaximum principal stressUltimate shear stressMaximum principal stressUltimate shear stress
Absolute value10,216.0010,618.218,746.618,539.54
PositionThe shaft wall near the arch of the horsehead