Probabilistic Design and Optimization for Tunnels considering Measuring Uncertainties

Table 1

The test data.

σ3 (MPa)	σ1 (MPa)
30.9	205.9
3.9	119.1
0	93.1
16.2	156.4
2.2	111.6
0	90.3
39.1	234.4
21.8	179.2
10.5	131.1
47.5	263.1
35.2	217.2
51.7	262.2
25.2	188.1
0	93.8