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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F13%3A00207134%21RIV14-GA0-21110___
rdf:type
skos:Concept n17:Vysledek
rdfs:seeAlso
http://ctn.cvut.cz/ap/
dcterms:description
Segmental tunnel lining is usually applied to mechanised tunnelling using full-face tunnelling shields (the TBM technology). Pre-cast steel fibre reinforced segments are currently used in praxis, containing no traditional rod reinforcement. In the Czech Republic, there is a research underway focused on problems of steel fibre reinforced segments so that this technology can be applied even to Czech tunnels. A variety of samples were produced and tested in the initial phases of the research, serving for the comparison and selection of suitable composition of steel fibre reinforced concrete mixture. The influence of different dosing of steel fibres on the resultant behaviour of steel fibre reinforced concrete was subjected to comparison. The properties of steel fibres were laboratory tested and assessed (unconfined compressive strength tested on cubes, flexural strength tested on beams). Some parameters of steel fibre reinforced concrete were derived backward by means of advanced numerical modelling using the Finite Element Method in the ANTENA simulator. Traditionally reinforced concrete segments and SFRC segments were tested by the Klokner's Institute of the Czech Technical University in Prague. The results of the completed tests are presented in the paper. Segmental tunnel lining is usually applied to mechanised tunnelling using full-face tunnelling shields (the TBM technology). Pre-cast steel fibre reinforced segments are currently used in praxis, containing no traditional rod reinforcement. In the Czech Republic, there is a research underway focused on problems of steel fibre reinforced segments so that this technology can be applied even to Czech tunnels. A variety of samples were produced and tested in the initial phases of the research, serving for the comparison and selection of suitable composition of steel fibre reinforced concrete mixture. The influence of different dosing of steel fibres on the resultant behaviour of steel fibre reinforced concrete was subjected to comparison. The properties of steel fibres were laboratory tested and assessed (unconfined compressive strength tested on cubes, flexural strength tested on beams). Some parameters of steel fibre reinforced concrete were derived backward by means of advanced numerical modelling using the Finite Element Method in the ANTENA simulator. Traditionally reinforced concrete segments and SFRC segments were tested by the Klokner's Institute of the Czech Technical University in Prague. The results of the completed tests are presented in the paper.
dcterms:title
Steel fibre reinforced concrete for tunnel linings - verification by extensive laboratory testing and numerical modelling Steel fibre reinforced concrete for tunnel linings - verification by extensive laboratory testing and numerical modelling
skos:prefLabel
Steel fibre reinforced concrete for tunnel linings - verification by extensive laboratory testing and numerical modelling Steel fibre reinforced concrete for tunnel linings - verification by extensive laboratory testing and numerical modelling
skos:notation
RIV/68407700:21110/13:00207134!RIV14-GA0-21110___
n17:predkladatel
n18:orjk%3A21110
n3:aktivita
n8:P
n3:aktivity
P(GAP104/10/2023)
n3:cisloPeriodika
4
n3:dodaniDat
n15:2014
n3:domaciTvurceVysledku
n4:8130272 n4:7715730
n3:druhVysledku
n20:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
107920
n3:idVysledku
RIV/68407700:21110/13:00207134
n3:jazykVysledku
n19:eng
n3:klicovaSlova
tunnel; segmental lining; steel fibre reinforced concrete; SFRC; experimental testing
n3:klicoveSlovo
n6:segmental%20lining n6:experimental%20testing n6:tunnel n6:steel%20fibre%20reinforced%20concrete n6:SFRC
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[C721B5E9215C]
n3:nazevZdroje
Acta Polytechnica
n3:obor
n13:JN
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n11:GAP104%2F10%2F2023
n3:rokUplatneniVysledku
n15:2013
n3:svazekPeriodika
53
n3:tvurceVysledku
Hilar, Matouš Beňo, Jaroslav
s:issn
1210-2709
s:numberOfPages
9
n7:organizacniJednotka
21110