Publication detail

Crack initiation in concrete specimens based on alkali-activate binders

ŠIMONOVÁ, H. TOPOLÁŘ, L. HAVLÍKOVÁ, I. ROZSYPALOVÁ, I. KUCHARCZYKOVÁ, B. KERŠNER, Z. BÍLEK, V.

Original Title

Type

conference paper

Language

English

Original Abstract

The aim of this paper is to quantify crack initiation of two types of concrete with alkali activat-ed binder. The beam specimens with stress concentrator were tested in three-point bending at the age 28 days and 90 days. Records of fracture tests in form load versus crack mouth opening displacement (P–CMOD) diagrams were evaluated using Double-K fracture model. This model allows the quantification of two different levels of the crack propagation: the initiation, which corresponds to the beginning of the stable crack growth and the level of the unstable crack propagation. The initiation of cracks during the fracture tests was also monitored by the acous-tic emission method.

Keywords

crack initiation, fracture test, concrete, acoustic emission, alkali-activated-binder

Authors

ŠIMONOVÁ, H.; TOPOLÁŘ, L.; HAVLÍKOVÁ, I.; ROZSYPALOVÁ, I.; KUCHARCZYKOVÁ, B.; KERŠNER, Z.; BÍLEK, V.

Released

6. 12. 2016

Publisher

Taylor & Francis Group

Location

London

ISBN

978-1-138-03224-8

Book

Advances and Trends in Engineering Sciences and Technologies II

Pages from

267

Pages to

272

Pages count

BibTex

@inproceedings{BUT130276,
  author="Hana {Šimonová} and Libor {Topolář} and Ivana {Havlíková} and Iva {Čairović} and Barbara {Kucharczyková} and Zbyněk {Keršner} and Vlastimil {Bílek}",
  title="Crack initiation in concrete specimens based on alkali-activate binders",
  booktitle="Advances and Trends in Engineering Sciences and Technologies II",
  year="2016",
  pages="267--272",
  publisher="Taylor & Francis Group",
  address="London",
  isbn="978-1-138-03224-8"
}