Influence of New Energy Materials on Dynamic Interaction between Surrounding Rock and Structure of Heavy-Duty Railway in Small Clearance Crossing Tunnel

Table 4

Convergence and deformation of the overpass tunnel to the existing left-line shield tunnel.

Section position (m)
After the left-line shield is completed (mm)	7.59	7.85	8.12	9.12	12.52
After the right-line shield is completed (mm)	8.02	8.15	8.23	9.23	11.52
After digging is completed (mm)	7.56	7.86	8.62	7.99	12.56