Detail publikačního výsledku
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
English Title
Crack initiation of selected geopolymer mortar with hemp fibres
Type
Paper in proceedings (conference paper)
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.
English 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
Key words in English
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.
RIV year
2019
Released
31.12.2018
Publisher
Elsevier
Book
ECF22 − Loading and Environmental effects on Structural Integrity
ISBN
2452-3216
Periodical
Procedia Structural Integrity
Volume
13
State
Republic of Italy
Pages from
578
Pages to
583
Pages count
6
Full text in the Digital Library
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"
}