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Mixed-mode fracture toughness testing of concrete beams in three-point bending
Abstract Results obtained for mixed-mode fracture toughness parameters $ K_{c} $, $ G_{c} $, $ J_{c} $, $ G_{F} $ (plane strain mixed-mode stress-intensity factor, energy release rate, J-integral and fracture energy, respectively) for small notched concrete beams in bending indicate that all these parameters decrease with x/S (x is the distance from support, S is the span) in general to values near midspan consistent with Mode I results. All the parameters except $ J_{c} $ vary with notch depth in a similar manner for each notch location.
Mixed-mode fracture toughness testing of concrete beams in three-point bending
Abstract Results obtained for mixed-mode fracture toughness parameters $ K_{c} $, $ G_{c} $, $ J_{c} $, $ G_{F} $ (plane strain mixed-mode stress-intensity factor, energy release rate, J-integral and fracture energy, respectively) for small notched concrete beams in bending indicate that all these parameters decrease with x/S (x is the distance from support, S is the span) in general to values near midspan consistent with Mode I results. All the parameters except $ J_{c} $ vary with notch depth in a similar manner for each notch location.
Mixed-mode fracture toughness testing of concrete beams in three-point bending
Swartz, S. E. (author) / Lu, L. W. (author) / Tang, L. D. (author)
1988
Article (Journal)
English
Mixed-mode fracture toughness testing of concrete beams in three-point bending
Springer Verlag | 1988
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|Fracture process zone of notched three-point-bending concrete beams
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