Detail publikačního výsledku

Crack deflection under mixed-mode conditions in the fine-grained composites based on water glass-activated slag

MALÍKOVÁ, L.; ŠIMONOVÁ, H.; KUCHARCZYKOVÁ, B.

Originální název

Crack deflection under mixed-mode conditions in the fine-grained composites based on water glass-activated slag

Anglický název

Crack deflection under mixed-mode conditions in the fine-grained composites based on water glass-activated slag

Druh

Článek WoS

Originální abstrakt

The paper is devoted to an analysis of the crack deflection angle in a semi-circular disc made of a fine-grained composite based on water glass-activated slag. Three-point bending together with an inclined crack ensures the crack propagation in I+II mixed mode. Generally, concrete material exhibits quasi-brittle fractme behavior. which is difficult to understand. Multi-parameter fracture mechanics concept shall help to describe the crack propagation and influence of choice of a suitable distance for application of generalized fiacture criteria is investigated. In the work, the well-known Maximum Tangential Stress (MTS) criterion as well as Strain Energy Density (SED) criterion are applied in their multi-parameter form find the initial kink angle. Williams power expansion is used to approximate the crack-tip stress field. Its coefficients need to be calculated numerically via combination of the finite element solution and over-deterministic method. Results are discussed and recommendations are stated regarding the critical length parameter as well as the number of the Williams expansion coefficients.

Anglický abstrakt

The paper is devoted to an analysis of the crack deflection angle in a semi-circular disc made of a fine-grained composite based on water glass-activated slag. Three-point bending together with an inclined crack ensures the crack propagation in I+II mixed mode. Generally, concrete material exhibits quasi-brittle fractme behavior. which is difficult to understand. Multi-parameter fracture mechanics concept shall help to describe the crack propagation and influence of choice of a suitable distance for application of generalized fiacture criteria is investigated. In the work, the well-known Maximum Tangential Stress (MTS) criterion as well as Strain Energy Density (SED) criterion are applied in their multi-parameter form find the initial kink angle. Williams power expansion is used to approximate the crack-tip stress field. Its coefficients need to be calculated numerically via combination of the finite element solution and over-deterministic method. Results are discussed and recommendations are stated regarding the critical length parameter as well as the number of the Williams expansion coefficients.

Klíčová slova

Crack dellecdion; mixed-mode loading; fine-grained composite

Klíčová slova v angličtině

Crack dellecdion; mixed-mode loading; fine-grained composite

Autoři

MALÍKOVÁ, L.; ŠIMONOVÁ, H.; KUCHARCZYKOVÁ, B.

Rok RIV

2022

Vydáno

02.03.2022

Nakladatel

WORLD SCIENTIFIC PUBL CO PTE LTD

Místo

SINGAPORE

ISSN

1756-9737

Periodikum

Journal of Multiscale Modelling

Svazek

13

Číslo

01

Stát

Singapurská republika

Strany od

1

Strany do

8

Strany počet

8

URL

BibTex

@article{BUT177936,
  author="Lucie {Malíková} and Hana {Šimonová} and Barbara {Kucharczyková}",
  title="Crack deflection under mixed-mode conditions in the fine-grained composites based on water glass-activated slag",
  journal="Journal of Multiscale Modelling",
  year="2022",
  volume="13",
  number="01",
  pages="1--8",
  doi="10.1142/S1756973721440042",
  issn="1756-9737",
  url="https://www.worldscientific.com/doi/10.1142/S1756973721440042"
}