Climate Change Research ›› 2015, Vol. 11 ›› Issue (5): 319-323.doi: 10.3969/j.issn.1673-1719.2015.05.004

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Effects of Extreme Low Temperature on the Properties of Cementitious Materials

Ge Xueliang1, Liu Weibao1, 2   

  1. 1 Nanjing Hydraulic Research Institute, Nanjing 210029, China;
    2 Research Center on New Materials in Hydraulic structures, MWR, Nanjing 210029, China
  • Received:2015-07-06 Revised:2015-08-18 Online:2015-09-30 Published:2015-09-30

Abstract: The property of cementitious materials in extreme low temperature can directly affect the performance of hydraulic concrete. Cementitious materials with different water conditions were taken as the study object, the mass loss, relative dynamic modulus, flexural strength, compressive strength, frost deformation, and pore parameters properties of cementitious materials were studied under -60℃ low temperature condition. The influence rules of water contain condition of cementitious materials before freezing on the frost resistance, mechanical properties, volume deformation, and micro pore structure of cementitious materials were also revealed.

Key words: cementitious materials, extreme low temperature, frost resistance, mechanical properties, pore structure

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