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Crack extension resistance based on the cohesive force in concrete

Reinhardt, H.W. / Xu, S.

Based on the complete fracture process in concrete, the crack extension resistance associated with the cohesive force on the fictitious crack is investigated in detail for standard three-point bending notched beams. Five concrete materials are specified by the compressive strength, tensile strength, and Young's modulus. The cohesive force distribution on the fictitious crack is determined according to the softening traction-separation law obtained from the direct tension tests on concrete. Numerical computations have been carried out using a commercial computer program for non-linear finite element analysis of reinforced concrete structures. The results obtained in the numerical computations are in agreement with those measured in experimental tests by other researchers.

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Crack extension resistance based on the cohesive force in concrete

Reinhardt, H.W. / Xu, S.

Based on the complete fracture process in concrete, the crack extension resistance associated with the cohesive force on the fictitious crack is investigated in detail for standard three-point bending notched beams. Five concrete materials are specified by the compressive strength, tensile strength, and Young's modulus. The cohesive force distribution on the fictitious crack is determined according to the softening traction-separation law obtained from the direct tension tests on concrete. Numerical computations have been carried out using a commercial computer program for non-linear finite element analysis of reinforced concrete structures. The results obtained in the numerical computations are in agreement with those measured in experimental tests by other researchers.

Crack extension resistance based on the cohesive force in concrete

Reinhardt, H.W. / Xu, S.

Based on the complete fracture process in concrete, the crack extension resistance associated with the cohesive force on the fictitious crack is investigated in detail for standard three-point bending notched beams. Five concrete materials are specified by the compressive strength, tensile strength, and Young's modulus. The cohesive force distribution on the fictitious crack is determined according to the softening traction-separation law obtained from the direct tension tests on concrete. Numerical computations have been carried out using a commercial computer program for non-linear finite element analysis of reinforced concrete structures. The results obtained in the numerical computations are in agreement with those measured in experimental tests by other researchers.

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Title:

Crack extension resistance based on the cohesive force in concrete

Additional title:

Rißausbreitungswiderstand in Beton basierend auf der Kohäsivkraft

Contributors:

Reinhardt, H.W. (author) / Xu, S. (author)

Published in:

Engineering Fracture Mechanics ; 64 ; 563-587

Publication date:

1999

Size:

25 Seiten, 20 Bilder, 2 Tabellen, 22 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0013-7944(99)00080-6

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Beton , Risswiderstand , Bruchzähigkeitsversuch , numerische Simulation , Finite-Elemente-Methode

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