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Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model

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Abstract
A numerical parametric study has been performed on a Brazilian disc test with a central notch. In this study, the post peak crack initiation and propagation in this test is presented based on a concrete damaged plasticity model. The influence of the fracture energy G(f) and the shape of the post peak tensile softening curve on the crack initiation were considered. Focus was placed on the notch tip displacements as to separate mode I and mode II displacements. For this, the nodal displacements were transformed based on the geometry (notch inclination angle), linear elastic fracture mechanical criteria, and plasticity conditions in order to help to distinguish the fracture modes. It was observed that, by choosing the right transformation angle, mode I and mode II fracture processes can be distinguished on such a test.
Keywords
Mechanical Engineering, General Materials Science, Applied Mathematics, Condensed Matter Physics, Brazilian disc with a central notch, Concrete, Fracture mechanics, Concrete damage plasticity, CMOD, CMOS, CRACK-PROPAGATION DIRECTION, FINITE-ELEMENT-ANALYSIS, II FRACTURE-TOUGHNESS, WEDGE SPLITTING TEST, REINFORCED-CONCRETE, TRANSVERSE REINFORCEMENT, T-STRESS, ROCK, ENERGY, SHEAR

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Citation

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MLA
Miarka, Petr, et al. “Notch Tip Displacements of the Concrete Brazilian Disc Test with Central Notch Analysed by the Concrete Damaged Plasticity Model.” THEORETICAL AND APPLIED FRACTURE MECHANICS, vol. 102, 2019, pp. 122–50.
APA
Miarka, P., Seitl, S., & De Corte, W. (2019). Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model. THEORETICAL AND APPLIED FRACTURE MECHANICS, 102, 122–150.
Chicago author-date
Miarka, Petr, Stanislav Seitl, and Wouter De Corte. 2019. “Notch Tip Displacements of the Concrete Brazilian Disc Test with Central Notch Analysed by the Concrete Damaged Plasticity Model.” THEORETICAL AND APPLIED FRACTURE MECHANICS 102: 122–50.
Chicago author-date (all authors)
Miarka, Petr, Stanislav Seitl, and Wouter De Corte. 2019. “Notch Tip Displacements of the Concrete Brazilian Disc Test with Central Notch Analysed by the Concrete Damaged Plasticity Model.” THEORETICAL AND APPLIED FRACTURE MECHANICS 102: 122–150.
Vancouver
1.
Miarka P, Seitl S, De Corte W. Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model. THEORETICAL AND APPLIED FRACTURE MECHANICS. 2019;102:122–50.
IEEE
[1]
P. Miarka, S. Seitl, and W. De Corte, “Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model,” THEORETICAL AND APPLIED FRACTURE MECHANICS, vol. 102, pp. 122–150, 2019.
@article{8643484,
  abstract     = {A numerical parametric study has been performed on a Brazilian disc test with a central notch. In this study, the post peak crack initiation and propagation in this test is presented based on a concrete damaged plasticity model. The influence of the fracture energy G(f) and the shape of the post peak tensile softening curve on the crack initiation were considered. Focus was placed on the notch tip displacements as to separate mode I and mode II displacements. For this, the nodal displacements were transformed based on the geometry (notch inclination angle), linear elastic fracture mechanical criteria, and plasticity conditions in order to help to distinguish the fracture modes. It was observed that, by choosing the right transformation angle, mode I and mode II fracture processes can be distinguished on such a test.},
  author       = {Miarka, Petr and Seitl, Stanislav and De Corte, Wouter},
  issn         = {0167-8442},
  journal      = {THEORETICAL AND APPLIED FRACTURE MECHANICS},
  keywords     = {Mechanical Engineering,General Materials Science,Applied Mathematics,Condensed Matter Physics,Brazilian disc with a central notch,Concrete,Fracture mechanics,Concrete damage plasticity,CMOD,CMOS,CRACK-PROPAGATION DIRECTION,FINITE-ELEMENT-ANALYSIS,II FRACTURE-TOUGHNESS,WEDGE SPLITTING TEST,REINFORCED-CONCRETE,TRANSVERSE REINFORCEMENT,T-STRESS,ROCK,ENERGY,SHEAR},
  language     = {eng},
  pages        = {122--150},
  title        = {Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model},
  url          = {http://dx.doi.org/10.1016/j.tafmec.2019.04.006},
  volume       = {102},
  year         = {2019},
}

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