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  • The paper is focused on detailed description of synthesis geocement composite material based on K2O-Al2O3-SiO2 system and characterization of its thermal and mechanical properties. The series of analytic tools were used (XRF, XRD, SEM, BET, particle-size distribution) for accurate identification of chemical and physical properties of the raw material. The most suitable technological prescription was determined and geocement specimens were tested for identification of mechanical and thermal properties. The series of specimens were prepared for testing of flexural and compressive strength. TMA and TG analysis were used for characterization of thermal behaviour and proceedings according to ČSN EN ISO 10545-12 were applied to study the shock-frost resistance properties. The maximum shrinkage 3.1% in the range 30 - 1000°C was confirmed by TMA. A flexural strength of } 10 MPa was obtained for geocement specimens after sudden temperature changes tests. The fundamental structural changes concerning to temperature exposure are described and the key advances are interpreted.
  • The paper is focused on detailed description of synthesis geocement composite material based on K2O-Al2O3-SiO2 system and characterization of its thermal and mechanical properties. The series of analytic tools were used (XRF, XRD, SEM, BET, particle-size distribution) for accurate identification of chemical and physical properties of the raw material. The most suitable technological prescription was determined and geocement specimens were tested for identification of mechanical and thermal properties. The series of specimens were prepared for testing of flexural and compressive strength. TMA and TG analysis were used for characterization of thermal behaviour and proceedings according to ČSN EN ISO 10545-12 were applied to study the shock-frost resistance properties. The maximum shrinkage 3.1% in the range 30 - 1000°C was confirmed by TMA. A flexural strength of } 10 MPa was obtained for geocement specimens after sudden temperature changes tests. The fundamental structural changes concerning to temperature exposure are described and the key advances are interpreted. (en)
Title
  • Thermal behaviour of geocement composite
  • Thermal behaviour of geocement composite (en)
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  • Thermal behaviour of geocement composite
  • Thermal behaviour of geocement composite (en)
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  • RIV/49777513:23640/13:43918965!RIV14-MSM-23640___
http://linked.open...avai/riv/aktivita
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  • P(ED2.1.00/03.0088)
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  • 110879
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  • RIV/49777513:23640/13:43918965
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  • thermal behavior; alkali silicate solution; Geocement composite (en)
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  • [F058D131FA9F]
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  • Kadlec, Jaroslav
  • Novotný, Pavel
  • Říha, Jan
  • Franče, Petr
  • Kovářík, Tomáš
  • Rieger, David
  • Kullová, Lucie
  • Čekalová, Marcela
http://localhost/t...ganizacniJednotka
  • 23640
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