Abstract
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 experiments involving a finite element model of the CLWL-DCB concrete specimens. With a critical crack tip opening displacement (CTOD) at the macrocrack tip as a subcritical crack growth criterion, this fracture process zone was then incorporated into a finite element model of CLWL-DCB concrete specimen which was then driven in its propagation mode to reproduce some of the subcritical crack growth experiments. This finite element program was also used in its propagation mode to replicate mixed-mode fracture experiments involving diagonal tension fractures of modified CLWL-DCB concrete specimens.
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© 1985 Martinus Nijhoff Publishers, Dordrecht
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Kobayashi, A.S., Hawkins, N.M., Barker, D.B., Liaw, B.M. (1985). Fracture Process Zone of Concrete. In: Shah, S.P. (eds) Application of Fracture Mechanics to Cementitious Composites. NATO ASI Series, vol 94. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5121-1_2
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DOI: https://doi.org/10.1007/978-94-009-5121-1_2
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