An improved effective crack model for the determination of fracture toughness of concrete
作者： B.L. Karihaloo , P. Nallathambi
DOI: 10.1016/0008-8846(89)90012-4
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摘要: … calculation of effective notch depth in three-point bend notched specimens used for the determination of the fracture toughness … Second, by calculating the a~Iditional midspa~ deflection …
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