Blast resistance of hybrid fibre reinforced concrete containing polyvinyl alcohol, polypropylene and steel fibres with various shape parameters

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F15548180%3A_____%2F18%3AN0000005" target="_blank" >RIV/15548180:_____/18:N0000005 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/26232511:_____/18:N0000095 RIV/00216305:26310/18:PU136198

Výsledek na webu

<a href="http://dx.doi.org/10.1140/epjst/e2018-00061-y" target="_blank" >http://dx.doi.org/10.1140/epjst/e2018-00061-y</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1140/epjst/e2018-00061-y" target="_blank" >10.1140/epjst/e2018-00061-y</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Blast resistance of hybrid fibre reinforced concrete containing polyvinyl alcohol, polypropylene and steel fibres with various shape parameters

Popis výsledku v původním jazyce

This paper experimentally investigates the blast resistance of hybrid-fibre high performance concrete reinforced with various combinations of polyvinyl alcohol (PVA), polypropylene (PP) and steel fibres. The binary reinforcement systems were designed using combinations of steel/PP and steel/PVA fibres with various fibre geometries. Eleven different batches were examined to determine the influence of the parameters of the hybrid reinforcement (the material, shape parameters of the fibre, combinations of fibres) on the blast resistance of the concrete. Mechanical parameters under quasistatic load (flexural strength, compressive strength) were determined and load-displacement curves were captured. Real blast tests were performed on slab specimens (500 × 500 × 40 mm) according to the modified methodology M-T0-VTU0 10/09. The damage to the slab, the change in the ultrasound wave velocity propagation in the slab specimens before and after blast loading in certain measurement points, the weight of fragments and their damage potential were evaluated and compared. The results indicate that hybrid fibre reinforcement, when properly designed, can significantly enhance the overall blast resistance of concrete and can reduce spalling. Steel/PVA combinations provided higher blast resistance compared to steel-PP fibre mixes. The specimen containing a combination of 50 mm steel fibres and 12 mm PVA fibres showed the best performance under blast load.

Název v anglickém jazyce

Blast resistance of hybrid fibre reinforced concrete containing polyvinyl alcohol, polypropylene and steel fibres with various shape parameters

Popis výsledku anglicky

This paper experimentally investigates the blast resistance of hybrid-fibre high performance concrete reinforced with various combinations of polyvinyl alcohol (PVA), polypropylene (PP) and steel fibres. The binary reinforcement systems were designed using combinations of steel/PP and steel/PVA fibres with various fibre geometries. Eleven different batches were examined to determine the influence of the parameters of the hybrid reinforcement (the material, shape parameters of the fibre, combinations of fibres) on the blast resistance of the concrete. Mechanical parameters under quasistatic load (flexural strength, compressive strength) were determined and load-displacement curves were captured. Real blast tests were performed on slab specimens (500 × 500 × 40 mm) according to the modified methodology M-T0-VTU0 10/09. The damage to the slab, the change in the ultrasound wave velocity propagation in the slab specimens before and after blast loading in certain measurement points, the weight of fragments and their damage potential were evaluated and compared. The results indicate that hybrid fibre reinforcement, when properly designed, can significantly enhance the overall blast resistance of concrete and can reduce spalling. Steel/PVA combinations provided higher blast resistance compared to steel-PP fibre mixes. The specimen containing a combination of 50 mm steel fibres and 12 mm PVA fibres showed the best performance under blast load.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

20500 - Materials engineering

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

European Physical Journal, ST, EDP Sciences

ISSN

1951-6355

e-ISSN

1951-6401

Svazek periodika

—

Číslo periodika v rámci svazku

227, Is. 1=2

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

16

Strana od-do

111–126

Kód UT WoS článku

000444319100011

EID výsledku v databázi Scopus

2-s2.0-85053037614