Strength characteristics of fiber-reinforced light shotcrete
The article presents the regularities of the flexural and compressive strength variation, as well as the energy intensity of destruction of light heat-shielding vermiculite concrete, depending on the content of polypropylene or basalt fiber. The paper stresses that the greatest increase in flexural...
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2020-01-01
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doaj-ce5863cd6693464bb78ccc3b5a3b01722021-04-02T17:05:06ZengEDP SciencesE3S Web of Conferences2267-12422020-01-011920102010.1051/e3sconf/202019201020e3sconf_pcdg2020_01020Strength characteristics of fiber-reinforced light shotcreteAlekseev KonstantinKurilko AlexsandrThe article presents the regularities of the flexural and compressive strength variation, as well as the energy intensity of destruction of light heat-shielding vermiculite concrete, depending on the content of polypropylene or basalt fiber. The paper stresses that the greatest increase in flexural strength of 40% is observed at the polypropylene or basalt fiber that the greatest increase in flexural strength of 40% is observed at the polypropylene or basalt fiber of 2 and 2-4% respectively. As the basalt fiber content increases from 1 to 4%, the compressive strength increases from 42 to 83%. The resistance of vermiculite concrete to dynamic bending loads when the polypropylene fiber ranges from 0.5 to 2% by a factor of 2.5 4.2. With basalt fiber content of 1 to 4% the energy intensity of destruction increases 1.5 2.5 times.Specific energy intensity of destruction of samples reinforced with basalt fiber increases by 2.3 ÷ 2.7 times during volumetric destruction of the specimens under study on a vertical pile driver. The regularities obtained in the course of the studies indicate that fiber reinforcement of light heat-shielding vermiculite concrete increase its strength characteristics and thereby expand the scope of its application.https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/52/e3sconf_pcdg2020_01020.pdfheat-shieldingshotcretepermafrost zonepolypropylene fiberbasalt fibercomposite materialflexural and compressive strengthenergy intensity of destruction |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Alekseev Konstantin Kurilko Alexsandr |
spellingShingle |
Alekseev Konstantin Kurilko Alexsandr Strength characteristics of fiber-reinforced light shotcrete E3S Web of Conferences heat-shieldingshotcrete permafrost zone polypropylene fiber basalt fiber composite material flexural and compressive strength energy intensity of destruction |
author_facet |
Alekseev Konstantin Kurilko Alexsandr |
author_sort |
Alekseev Konstantin |
title |
Strength characteristics of fiber-reinforced light shotcrete |
title_short |
Strength characteristics of fiber-reinforced light shotcrete |
title_full |
Strength characteristics of fiber-reinforced light shotcrete |
title_fullStr |
Strength characteristics of fiber-reinforced light shotcrete |
title_full_unstemmed |
Strength characteristics of fiber-reinforced light shotcrete |
title_sort |
strength characteristics of fiber-reinforced light shotcrete |
publisher |
EDP Sciences |
series |
E3S Web of Conferences |
issn |
2267-1242 |
publishDate |
2020-01-01 |
description |
The article presents the regularities of the flexural and compressive strength variation, as well as the energy intensity of destruction of light heat-shielding vermiculite concrete, depending on the content of polypropylene or basalt fiber. The paper stresses that the greatest increase in flexural strength of 40% is observed at the polypropylene or basalt fiber that the greatest increase in flexural strength of 40% is observed at the polypropylene or basalt fiber of 2 and 2-4% respectively. As the basalt fiber content increases from 1 to 4%, the compressive strength increases from 42 to 83%. The resistance of vermiculite concrete to dynamic bending loads when the polypropylene fiber ranges from 0.5 to 2% by a factor of 2.5 4.2. With basalt fiber content of 1 to 4% the energy intensity of destruction increases 1.5 2.5 times.Specific energy intensity of destruction of samples reinforced with basalt fiber increases by 2.3 ÷ 2.7 times during volumetric destruction of the specimens under study on a vertical pile driver. The regularities obtained in the course of the studies indicate that fiber reinforcement of light heat-shielding vermiculite concrete increase its strength characteristics and thereby expand the scope of its application. |
topic |
heat-shieldingshotcrete permafrost zone polypropylene fiber basalt fiber composite material flexural and compressive strength energy intensity of destruction |
url |
https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/52/e3sconf_pcdg2020_01020.pdf |
work_keys_str_mv |
AT alekseevkonstantin strengthcharacteristicsoffiberreinforcedlightshotcrete AT kurilkoalexsandr strengthcharacteristicsoffiberreinforcedlightshotcrete |
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1721554716320595968 |