Publication detail

Wedge-Splitting Test - Determination of Minimal Starting Notch Length for Various Cement Based Composites. Part I: Cohesive Crack Modelling

VESELÝ, V. ŘOUTIL, L. SEITL, S.

Original Title

Wedge-Splitting Test - Determination of Minimal Starting Notch Length for Various Cement Based Composites. Part I: Cohesive Crack Modelling

Type

journal article - other

Language

English

Original Abstract

The geometric proportions of cube-shaped specimens subjected to wedge-splitting tests are numerically studied in the paper. The minimal notch length for specimens made of cement based composites varying in characteristic length of the material (a measure of material brittleness/heterogeneity) is verified using finite element method code with an implemented cohesive crack model (ATENA). The problem of assigning the crack initiation point (the notch tip vs. the groove corner in the load-imposing area of the specimen) is solved numerically also using both the theory of linear elastic fracture mechanics and the theory of the fracture mechanics of generalized singular stress concentrators in the second part of the two-part paper. Results obtained by the different approaches are compared. The minimal notch length is recommended.

Keywords

wedge-splitting test, cementitious composites, quasi-brittle fracture, brittleness, characteristic length, notch length.

Authors

VESELÝ, V.; ŘOUTIL, L.; SEITL, S.

RIV year

2010

Released

15. 10. 2010

Location

Švýcarsko

ISBN

1013-9826

Periodical

Key Engineering Materials (print)

Year of study

10

Number

4

State

Swiss Confederation

Pages from

77

Pages to

80

Pages count

4

BibTex

@article{BUT50171,
  author="Václav {Veselý} and Ladislav {Řoutil} and Stanislav {Seitl}",
  title="Wedge-Splitting Test - Determination of Minimal Starting Notch Length for Various Cement Based Composites. Part I: Cohesive Crack Modelling",
  journal="Key Engineering Materials (print)",
  year="2010",
  volume="10",
  number="4",
  pages="77--80",
  issn="1013-9826"
}