Fracture Process Zone of Concrete
作者： A. S. Kobayashi , N. M. Hawkins , D. B. Barker , B. M. Liaw
DOI: 10.1007/978-94-009-5121-1_2
关键词: Materials science 、 Fracture (geology) 、 Finite element method 、 Replica Techniques 、 Crack tip opening displacement 、 Tension (physics) 、 Fracture process 、 Diagonal 、 Composite material 、 Displacement (orthopedic surgery)
摘要: Double displacement compliance and replica techniques were used to determine the macro total crack lengths, respectively in nineteen crack-line wedge-loaded, double cantilever beam (CLWLDCB) mode I concrete specimens. Details of fracture process zone, which lies between hairline tips, determined through numerical experiments involving a finite element model CLWL-DCB With critical tip opening (CTOD) at macrocrack as subcritical growth criterion, this zone was then incorporated into specimen driven its propagation reproduce some experiments. This program also replicate mixed-mode diagonal tension fractures modified
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