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Fracture Process Zone of Concrete

Journal of Engineering Mechanics, 1985
Double displacement compliance and replica techniques were used to determine the macro and total crack lengths, respectively in nineteen crack-line wedge-loaded, double cantilever beam (CLWLDCB) mode I concrete specimens. Details of the fracture process zone, which lies between the macro and hairline crack tips, were determined through numerical ...
A. S. Kobayashi   +3 more
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Fracture energy and fracture process zone

Materials and Structures, 1992
The fracture energy Gf can be determined following a RILEM recommendation. However, it has been found that fracture energy depends on both size and geometry of the test specimen. The underlying fictitious crack model postulates that fracture energy, tensile strength, the critical opening of the fictitious crack, and the shape of the softening curve ...
X. -Z. Hu, F. H. Wittmann
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