Detail publikace
Pilot Study of the Effect of Admixtures in Fine-grained Cement-based Composites on Volume Changes and Fracture Parameters
BÍLEK, V. TOPOLÁŘ, L. ŠIMONOVÁ, H. KUCHARCZYKOVÁ, B. HAVLÍKOVÁ, I. PAZDERA, L. KERŠNER, Z.
Originální název
Pilot Study of the Effect of Admixtures in Fine-grained Cement-based Composites on Volume Changes and Fracture Parameters
Anglický název
Pilot Study of the Effect of Admixtures in Fine-grained Cement-based Composites on Volume Changes and Fracture Parameters
Jazyk
en
Originální abstrakt
The partial replacement of cement in concrete by an alternative admixture is a current topic in materials engineering. In order to examine the effect of replacing 20 % of the weight of Portland cement in fine-grained concrete using selected admixtures on volume changes and mechanical fracture parameter values, a set of specimens was fabricated from these quasi-brittle materials. Granulated blast-furnace slag, high-temperature fly ash, metakaolin and specially selected combinations of them were used as admixtures. Three-point bending fracture tests were conducted on these specimens and load versus crack mouth opening displacement (PCMOD) diagrams were recorded during the testing. In this paper, the outputs of the double-K fracture model were used for the prediction of beginning of stable crack propagation in fine-grained cement-based composites with admixtures.
Anglický abstrakt
The partial replacement of cement in concrete by an alternative admixture is a current topic in materials engineering. In order to examine the effect of replacing 20 % of the weight of Portland cement in fine-grained concrete using selected admixtures on volume changes and mechanical fracture parameter values, a set of specimens was fabricated from these quasi-brittle materials. Granulated blast-furnace slag, high-temperature fly ash, metakaolin and specially selected combinations of them were used as admixtures. Three-point bending fracture tests were conducted on these specimens and load versus crack mouth opening displacement (PCMOD) diagrams were recorded during the testing. In this paper, the outputs of the double-K fracture model were used for the prediction of beginning of stable crack propagation in fine-grained cement-based composites with admixtures.
Dokumenty
BibTex
@inproceedings{BUT108121,
author="Vlastimil {Bílek} and Libor {Topolář} and Hana {Šimonová} and Barbara {Kucharczyková} and Ivana {Havlíková} and Luboš {Pazdera} and Zbyněk {Keršner}",
title="Pilot Study of the Effect of Admixtures in Fine-grained Cement-based Composites on Volume Changes and Fracture Parameters",
annote="The partial replacement of cement in concrete by an alternative admixture is a current topic in materials engineering. In order to examine the effect of replacing 20 % of the weight of Portland cement in fine-grained concrete using selected admixtures on volume changes and mechanical fracture parameter values, a set of specimens was fabricated from these quasi-brittle materials. Granulated blast-furnace slag, high-temperature fly ash, metakaolin and specially selected combinations of them were used as admixtures. Three-point bending fracture tests were conducted on these specimens and load versus crack mouth opening displacement (PCMOD) diagrams were recorded during the testing. In this paper, the outputs of the double-K fracture model were used for the prediction of beginning of stable crack propagation in fine-grained cement-based composites with admixtures.",
address="Trans Tech Publications",
booktitle="Structural and Physical Aspects of Civil Engineering",
chapter="108121",
doi="10.4028/www.scientific.net/AMR.969.294",
edition="1",
howpublished="print",
institution="Trans Tech Publications",
number="1",
year="2014",
month="june",
pages="294--297",
publisher="Trans Tech Publications",
type="conference paper"
}