Study on Identification of Construction Method for Ultra-Large-Span Tunnel

Table 6

Quantification of test data and stability index.

Test no.	Test code	Stability	Quantitative score
1	A1B1C1	Unstable	1
2	A1B2C2	Unstable	2
3	A1B3C3	Stable	5
4	A1B4C4	Stable	6
5	A1B5C5	Stable	6
6	A2B1C2	Unstable	1
7	A2B2C3	Unstable	3
8	A2B3C4	Stable	5
9	A2B4C5	Stable	5
10	A2B5C1	Unstable	3
11	A3B1C3	Unstable	1
12	A3B2C4	Unstable	3
13	A3B3C5	Stable	5
14	A3B4C1	Unstable	3
15	A3B5C2	Stable	4
16	A4B1C4	Unstable	1
17	A4B2C5	Unstable	3
18	A4B3C1	Unstable	1
19	A4B4C2	Unstable	3
20	A4B5C3	Stable	5
21	A5B1C5	Unstable	2
22	A5B2C1	Unstable	1
23	A5B3C2	Unstable	2
24	A5B4C3	Unstable	3
25	A5B5C4	Stable	5