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Description
  • The resistance of mortars made of dolomite and quartz aggregate with and without polypropylene fibers has been studied at a nominal heating rate of 30C/min from room temperature up to 1000C. It is demonstrated that the key parameters that affect the performance of plain mortars are volume instability, phase transformation, aggregate dissociation, and permeability. Experimental results point at the major role of aggregate type on mass loss, porosity, volume instability, microstructure, cracking pattern, and mechanical properties. Three thermal zones are identified; low (up to about 300C), intermediate (about 300 to 600C), and high (>600C). It is shown that in the low thermal zone, the mechanical properties are about the same or better than those at room temperature. The intermediate thermal zone is characterized by a moderate decline of mechanical properties, whereas a rapid decline is registered in the high thermal zone. Explosive spalling due to pressure built-up of volatiles took place at temperatur
  • The resistance of mortars made of dolomite and quartz aggregate with and without polypropylene fibers has been studied at a nominal heating rate of 30C/min from room temperature up to 1000C. It is demonstrated that the key parameters that affect the performance of plain mortars are volume instability, phase transformation, aggregate dissociation, and permeability. Experimental results point at the major role of aggregate type on mass loss, porosity, volume instability, microstructure, cracking pattern, and mechanical properties. Three thermal zones are identified; low (up to about 300C), intermediate (about 300 to 600C), and high (>600C). It is shown that in the low thermal zone, the mechanical properties are about the same or better than those at room temperature. The intermediate thermal zone is characterized by a moderate decline of mechanical properties, whereas a rapid decline is registered in the high thermal zone. Explosive spalling due to pressure built-up of volatiles took place at temperatur (en)
  • Příspěvek se zabývá faktory ovlivňující odolnost cementových materiálů při vysokých teplotách a středních rychlostech nárůstu teploty. (cs)
Title
  • Factors affecting the resistance of cementitious materials at high temperatures and medium heating rates.
  • Factors affecting the resistance of cementitious materials at high temperatures and medium heating rates. (en)
  • Faktory ovlivňující odolnost cementových materiálů při vysokých teplotách a středních rychlostech nárůstu teploty. (cs)
skos:prefLabel
  • Factors affecting the resistance of cementitious materials at high temperatures and medium heating rates.
  • Factors affecting the resistance of cementitious materials at high temperatures and medium heating rates. (en)
  • Faktory ovlivňující odolnost cementových materiálů při vysokých teplotách a středních rychlostech nárůstu teploty. (cs)
skos:notation
  • RIV/00216305:26110/06:PU65851!RIV07-MSM-26110___
http://linked.open.../vavai/riv/strany
  • 455-469
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1K04111)
http://linked.open...iv/cisloPeriodika
  • 5
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
  • 475471
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26110/06:PU65851
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • High temperatures, mechanical properties (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [4EE52B794034]
http://linked.open...i/riv/nazevZdroje
  • Materials and Structures
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
  • 39
http://linked.open...iv/tvurceVysledku
  • Matesová, Dita
  • Bonen, David
  • Shah, Surendra P.
issn
  • 1359-5997
number of pages
http://localhost/t...ganizacniJednotka
  • 26110
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