Model Tests on the Antibreaking Countermeasures for Tunnel Lining Across Stick-Slip Faults

Table 6

Antibreaking effect of contact pressure.

Operating conditions	The maximum value of the increase multiple of the contact pressure	Antibreaking effect (%) (relative to the operating condition 1)	Antibreaking effect (%) (relative to the operating condition 2)
1	30.50	—	6.61
2	32.66	−7.08	—
3	7.36	85.70	86.65
4	4.36	75.87	77.47
5	2.93	90.41	91.04