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Advances in Civil Engineering
/
2020
/
Article
/
Tab 4
/
Research Article
Research on the Size Effect of Unstable Fracture Toughness by the Modified Maximum Tangential Stress (MMTS) Criterion
Table 4
Dimensionless coefficient ratio
–
for relative crack length ratio
α
= 0.4.
Ratio of high-order terms
Value
–0.32644
–0.22786
0.228546
–0.39727
0.916394
–1.86374
3.640217
–9.39833
23.50735