Unified Analytical Solutions of Circular Tunnel Excavated in an Elastic-Brittle-Plastic Rock Mass considering Blast-Induced Damage and Dead Weight Loading

Table 3

Roof surface displacement of the tunnel under various gravity conditions.

Parameters	Conditions	b
		0.0	0.25	0.5	0.75	1.0
(m)	Gravity included	1.088	0.507	0.305	0.210	0.157
	Gravity ignored	0.914	0.458	0.284	0.199	0.151