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  • Basic hygric properties of two HPC mixtures in reference state and after being exposed to 3-M NH4NO3 solution for three months are studied in the paper. Experimental studies show that water and water vapour transport properties of studied HPC are reduced after the specimens are exposed to 3-M NH4NO3 solution for three months. This effect is observed for HPC both with and without microsilica addition. The decrease of water and water vapor transport capability is in a good agreement with the decrease of open porosity and is an apparent consequence of chemical reaction of NH4NO3 with the cement matrix.
  • Basic hygric properties of two HPC mixtures in reference state and after being exposed to 3-M NH4NO3 solution for three months are studied in the paper. Experimental studies show that water and water vapour transport properties of studied HPC are reduced after the specimens are exposed to 3-M NH4NO3 solution for three months. This effect is observed for HPC both with and without microsilica addition. The decrease of water and water vapor transport capability is in a good agreement with the decrease of open porosity and is an apparent consequence of chemical reaction of NH4NO3 with the cement matrix. (en)
  • V článku jsou studovány základní vlhkostní parametry dvou záměsí vysokohodnotných betonů v referenčním stavu a po vystavení působení 3-M roztoku NH4NO3 po dobu tří měsíců. Výsledky experimentů ukazují, že transportní parametry vody i vodní páry jsou u obou studovaných materiálů v důsledku působení NH4NO3 redukovány, což je v dobrém souladu se snížením pórovitosti. Pozorované změny vlhkostních parametrů jsou pravděpodobně způsobeny chemickou reakcí NH4NO3 s cementovou matricí, jejíž produkty způsobují částečné zaplnění pórového prostoru. (cs)
Title
  • Hygric Properties of HPC Exposed to Salt Attack
  • Hygric Properties of HPC Exposed to Salt Attack (en)
  • Vlhkostní parametry vysokohodnotného betonu po vystavení působení solí (cs)
skos:prefLabel
  • Hygric Properties of HPC Exposed to Salt Attack
  • Hygric Properties of HPC Exposed to Salt Attack (en)
  • Vlhkostní parametry vysokohodnotného betonu po vystavení působení solí (cs)
skos:notation
  • RIV/68407700:21110/07:01137532!RIV08-GA0-21110___
http://linked.open.../vavai/riv/strany
  • 57;60
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/07/0034)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 425151
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/07:01137532
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • HPC; Hygric Properties; Salt Attack (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • PL - Polská republika
http://linked.open...ontrolniKodProRIV
  • [F78F9DEDB3EC]
http://linked.open...i/riv/nazevZdroje
  • Roczniki Inźynierii Budowlanej
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 7
http://linked.open...iv/tvurceVysledku
  • Tesárek, Pavel
  • Vejmelková, Eva
  • Černý, Robert
issn
  • 1505-8425
number of pages
http://localhost/t...ganizacniJednotka
  • 21110
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