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Advances in Civil Engineering
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2021
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Article
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Tab 2
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Research Article
Experimental Study on the Caustics of Moving Cracks and Elliptical Curvature under Impact Loading
Table 2
Crack tip curvature and stress intensity factor (SIF) parameters.
Number
/m-1
SIF/MPa·m
1/2
(MN·m
1/2
)
L-1
20 × 10
3
0.31
L-2
5 × 10
3
0.63
L-3
1.25 × 10
3
1.27
L-4
0.56 × 10
3
1.9
L-5
0.31 × 10
3
2.5
L-6
0.2 × 10
3
3.1