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关于混凝土冻害机理的热力学思考(英文) 被引量：3

Thermodynamic Considerations on Deterioration Mechanism of Concrete Caused by Freezing
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摘要 本文主要从热力学的角度论述了关于混凝土冻害机理方面的几点思考。结合混凝土材料讨论了结晶压力、毛细孔直径对冰点和毛细孔力的影响以及过冷度对冰穿透多孔材料基体的影响。 Several thermodynamic aspects of mechanism for deterioration of concrete due to freezing are presented in this paper. The pressure of crystallization, the effect of pore size on freezing point and capillary pressure and the effect of supercooling on ice infiltration have been reviewed.
作者 张士萍 邓敏
机构地区 南京工业大学材料科学与工程学院
出处 《硅酸盐通报》 CAS CSCD 北大核心 2008年第4期740-743,共4页 Bulletin of the Chinese Ceramic Society
关键词 混凝土 冻结 结晶压力 过冷度 concrete freezing crystallization pressure supercooling
分类号 TU528 [建筑科学—建筑技术科学]
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参考文献20

  • 1Kruschwitz J, Bluhm J. Modeling of iceformation in porous solid withregard to the description of frost damage [ J ]. Computational Materials Science, 2005, 32:407-417.
  • 2Cai H, Liu X. Freeze-thaw durability of concrete:Ice formation process in pores[ J]. Cement and Concrete Research, 1998,28(9) :1281-1287.
  • 3Powers T C. A working hypothesis for further studies of frost resistance of concrete[J]. Journal of the American Concrete Society, 1945,16 ( 4 ) : 245 - 272.
  • 4Powers T C, Brownyard T L. Studies of the physical properties of hardened portland cement paste[J].Journal of the American Concrete Institute, 1947,18(5) :549-595.
  • 5Powers T C, Brownyard T L. Studies of the physical properties of hardened portland cement paste[J].Journal of the American Concrete Institute, 1947,43(9) :933-992.
  • 6Powers T C, Helmuth R A. Theory. of volume changes in hardened portland cement pastes during freezing [ C ]. Proceedings of the Highway Research Board Annual Meeting. Washington,D. C. ,USA:[s. n. ] ,1953,32:285-297.
  • 7Scherer G W. Stress from crystallization of salt [ J ]. Cement and Concrete Research, 2004,34:1613-1624.
  • 8Thomson J. Theoretical considerations on the effect of pressure in lowering the freezing point of water[ J ]. Trans Roy Soc Edinburgh, 1848-1849,16 (5) :575-580.
  • 9Scherer G W. Freezing gels[J].J Non-Cryst Solids, 1993 ,STHZ I 155 ( 1 ) : 1-25.
  • 10Seherer G W. Crystallization in pores[J]. Cement and Concrete Research, 1999,29(8) :1347-1358.

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硅酸盐通报
2008年 第4期

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