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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F13%3A00207139%21RIV14-GA0-21110___
rdf:type
skos:Concept n14:Vysledek
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
Load testing and numerical modelling of SFRC segments Load testing and numerical modelling of SFRC segments
skos:prefLabel
Load testing and numerical modelling of SFRC segments Load testing and numerical modelling of SFRC segments
skos:notation
RIV/68407700:21110/13:00207139!RIV14-GA0-21110___
n14:predkladatel
n15:orjk%3A21110
n3:aktivita
n10:P
n3:aktivity
P(GAP104/10/2023)
n3:dodaniDat
n17:2014
n3:domaciTvurceVysledku
n7:7715730 n7:7244452
n3:druhVysledku
n20:D
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
85226
n3:idVysledku
RIV/68407700:21110/13:00207139
n3:jazykVysledku
n18:eng
n3:klicovaSlova
tunnel; segmental lining; steel fibre reinforced concrete; SFRC; experimental testing
n3:klicoveSlovo
n8:tunnel n8:steel%20fibre%20reinforced%20concrete n8:segmental%20lining n8:SFRC n8:experimental%20testing
n3:kontrolniKodProRIV
[B5A4F6AB48A1]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Podzemní stavby Praha 2013
n3:obor
n19:JN
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n21:GAP104%2F10%2F2023
n3:rokUplatneniVysledku
n17:2013
n3:tvurceVysledku
Pukl, R. Vítek, Jan Hilar, Matouš Vítek, P.
n3:typAkce
n12:EUR
n3:zahajeniAkce
2013-04-22+02:00
s:numberOfPages
1
n11:hasPublisher
Česká tunelářská asociace ITA-AITES
n13:isbn
978-80-260-3867-2
n9:organizacniJednotka
21110