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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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Title:

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

Contributors:

Swartz, S. E. (author) / Lu, L. W. (author) / Tang, L. D. (author)

Published in:

Materials and Structures ; 21 ; 33-40

Publication date:

1988-01-01

Size:

8 pages

ISSN:

1871-6873 , 1359-5997

DOI:

https://doi.org/10.1007/BF02472526

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Fracture Toughness , Fracture Energy , Energy Release Rate , Crack Mouth Opening Displacement , Notch Depth Engineering , Theoretical and Applied Mechanics , Structural Mechanics , Mechanical Engineering , Operating Procedures, Materials Treatment , Civil Engineering , Building Materials

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