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Mathematical Problems in Engineering
/
2022
/
Article
/
Tab 1
/
Research Article
Study on the Influence of Cracks on the Mechanical Performance of Tunnel Lining Structure Based on Fracture Mechanics Theory
Table 1
F
and
S
M
values under pure bending.
Crack depth
a
(cm)
3
6
9
12
15
18
F
1.42
1.47
1.48
2.37
3.74
4.82
S
M
(m
ā3/2
)
16.3
23.9
29.5
54.6
96.3
135.9