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

Table 3

Division and measures of proximity.

Proximity division	Divide content	Measure content
No influence	Do not consider the scope of the impact of new construction on the existing structure	Generally do not take corresponding measures
Pay attention to the scope	Usually no adverse effects but a certain range	Usually by adopting appropriate construction methods, based on the monitoring data during construction combined with the allowable values of displacement and deformation of the existing structure, comprehensively determine whether to take other measures