Publication detail

Crack initiation of selected geopolymer mortar with hemp fibres

ŠIMONOVÁ, H. KUCHARCZYKOVÁ, B. TOPOLÁŘ, L. KERŠNER, Z. MERTA, I. DRAGAS, J. IGNJATOVIC, I. KOMLJENOVIC, M. NIKOLIC, V.

Original Title

Crack initiation of selected geopolymer mortar with hemp fibres

Type

conference paper

Language

English

Original Abstract

The aim of this paper is to quantify particularly fracture properties of selected types of mortars prepared with an alkali activated binder and hemp fibers. The main attention is focused on evaluation of three-point bending fracture tests of prismatic specimens with an initial central edge notch made of alkali activated fly ash mortars. The load versus crack mouth opening displacement (F–CMOD) diagrams were recorded during the fracture tests and subsequently evaluated using the Double-K fracture model. This model allows the quantification of two different levels of crack propagation: initiation, which corresponds to the beginning of stable crack growth, and the level of unstable crack propagation. The course of fracture tests was also monitored by acoustic emission method.

Keywords

geopolymer, hemp fibre, fracture test, acoustic emission, crack initation, Double-K model

Authors

ŠIMONOVÁ, H.; KUCHARCZYKOVÁ, B.; TOPOLÁŘ, L.; KERŠNER, Z.; MERTA, I.; DRAGAS, J.; IGNJATOVIC, I.; KOMLJENOVIC, M.; NIKOLIC, V.

Released

31. 12. 2018

Publisher

Elsevier

ISBN

2452-3216

Periodical

Procedia Structural Integrity

Year of study

13

State

Republic of Italy

Pages from

578

Pages to

583

Pages count

6

BibTex

@inproceedings{BUT151943,
  author="Hana {Šimonová} and Barbara {Kucharczyková} and Libor {Topolář} and Zbyněk {Keršner} and Ildiko {Merta} and Jelena {Dragas} and Ivan {Ignjatovic} and Miroslav {Komljenovic} and Violeta {Nikolic}",
  title="Crack initiation of selected geopolymer mortar with hemp fibres",
  booktitle="ECF22 − Loading and Environmental effects on Structural Integrity",
  year="2018",
  journal="Procedia Structural Integrity",
  volume="13",
  pages="578--583",
  publisher="Elsevier",
  doi="10.1016/j.prostr.2018.12.095",
  issn="2452-3216"
}