Study on Supporting Protection of Tunnel Opening near a Rock Layer under Elastic Deformation of Surrounding Rock

Table 5

Comparison of calculated and measured values (unit: mm).

Fault plane	Comparison item	Vault settlement	Horizontal convergence
N1	Calculated	44.16	11.45
	Monitoring value	37.72	10.05
	Relative error	14.58%	12.23%
N2	Calculated	45.19	12.89
	Monitoring value	42.65	11.64
	Relative error	5.62%	9.70%
N3	Calculated	46.69	13.49
	Monitoring value	40.67	13.01
	Relative error	12.89%	3.56%