Research Article

Influence of Sublevel Unloading Excavation with Deep Consideration of the Superposition Effect on Deformation of an Existing Tunnel under an Intelligent Geotechnical Concept

Table 2

Excavation sequence table and final maximum uplift value of the tunnel.

Scheme numberExcavation sequenceTunnel maximum uplift value (mm)

112.86
212.13
313.65
413.25