The Ground Settlement and the Existing Pipeline Response Induced by the Nonsynchronous Construction of a Twin-Tunnel

Table 6

and for different relative stiffnesses.

	(mm)	(mm)
0.4	−11.9	−10.2	0.85
1.9	−11.7	−10.1	0.86
6.6	−11.5	−9.9	0.86
8.8	−11.4	−9.8	0.86