Segregation of Steel Fibres of UHPFRC
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21720%2F18%3A00320705" target="_blank" >RIV/68407700:21720/18:00320705 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21110/18:00320705
Result on the web
<a href="https://www.scientific.net/SSP.272.166" target="_blank" >https://www.scientific.net/SSP.272.166</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/SSP.272.166" target="_blank" >10.4028/www.scientific.net/SSP.272.166</a>
Alternative languages
Result language
angličtina
Original language name
Segregation of Steel Fibres of UHPFRC
Original language description
The mixture of ultra-high performance concrete is often supplemented by steel fibres which can significantly improve the fracture energy of the concrete. The incorporation of steel fibres results in especially a significant increase of tensile strength and minimize the risk of brittle failure. However, these positive properties can be fully realised only if the fibres are uniformly distributed. Otherwise, that leads to different quality of the concrete and to deterioration of strength characteristics. The subject of this article is the segregation of steel fibres which is one of the frequent problems of poor distribution of fibres. The degree of segregation has been investigated depending on amount of fibre dosage, size of maximum aggregate size and degree of consistency of fresh concrete. Two types of steel fibres with circular cross-section of a diameter of 0.4 mm but with different lengths (12.5 and 25 mm) were used for experiments. The segregation was evaluated by the drop of the fibres on the cutting surface of specimens. The results showed that segregation was the most affected by the consistency of fresh concrete. The amount of fibre dosage as well as the size of maximum aggregate size did not significantly affect segregation.
Czech name
—
Czech description
—
Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
20101 - Civil engineering
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
24th Concrete Days 2017
ISBN
978-3-0357-1284-1
ISSN
1012-0394
e-ISSN
1662-9779
Number of pages
6
Pages from-to
166-171
Publisher name
Trans Tech Publications
Place of publication
Curich
Event location
Litomyšl
Event date
Nov 22, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
—