Research Article

Numerical Study on the Disturbance Effect of Short-Distance Parallel Shield Tunnelling Undercrossing Existing Tunnels

Figures 10

Numerical simulation results after soil layer strength weakening. (a) Surface settlement. (b) Left arch waist settlement of right line of line 1. (c) Right arch waist settlement of right line of line 1. (d) Lining stress of line 1 after the construction of double line of line 5 (unit: Pa).
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