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Mixed-mode fracture toughness testing of concrete beams in three-point bending

Swartz, S. E. / Lu, L. W. / Tang, L. D.

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.

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Mixed-mode fracture toughness testing of concrete beams in three-point bending

Swartz, S. E. / Lu, L. W. / Tang, L. D.

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. / Lu, L. W. / Tang, L. D.

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.

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Titel:

Mixed-mode fracture toughness testing of concrete beams in three-point bending

Beteiligte:

Swartz, S. E. (Autor:in) / Lu, L. W. (Autor:in) / Tang, L. D. (Autor:in)

Erschienen in:

Materials and Structures ; 21

Erscheinungsdatum:

1988

ISSN:

DOI:

https://doi.org/10.1007/BF02472526

Medientyp:

Aufsatz (Zeitschrift)

Format:

Print

Sprache:

Englisch

Schlagwörter:

Energy Release Rate , Crack Mouth Opening Displacement , Fracture Toughness , Notch Depth , Fracture Energy

Klassifikation:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung
Lokalklassifikation TIB: 275/6500 / 250/6500

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