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Modeling of Effective Thermal Conductivity of Cement Paste
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Yuanbo DU, Yong GE
Journal of the Chinese Ceramic Society | 2022, 50(2) : 466 - 472
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Journal of the Chinese Ceramic Society | 2022, 50(2): 466-472
• Research Articles •
Modeling of Effective Thermal Conductivity of Cement Paste
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Yuanbo DU, Yong GE
Affiliations
  • School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China

    • DU Yuanbo (1987-), male, Doctoral candidate. E-mail:

About Author:

DU Yuanbo (1987-), male, Doctoral candidate. E-mail:

Published: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210431
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The thermal conductivity of cement paste with different water-cement ratios and curing ages were measured. Moreover, the thermal conductivity of cement paste was predicted by parallel model, series model, Maxwell model, MT model, EMT model and SC model, respectively. In addition, the thermal conductivity of each phase in cement paste was calculated by a molecular dynamics method. The results show that the thermal conductivity of cement paste decreases with the increase of curing age and water-cement ratio. SC model can be used to predict the thermal conductivity of cement paste at different water-cement ratios or curing ages, and the relative error between the predicted and the experimental values is 0.3%-4.7%. The Maxwell model and MT model can be used to calculate the thermal conductivity of cement paste at a large water-cement ratio and a long curing age.

cement paste  /  thermal conductivity  /  water-cement ratio  /  curing age  /  molecular dynamics method
杜渊博, 葛勇. 水泥石导热系数的计算模型. 硅酸盐学报, 2022 , 50 (2) : 466 -472 . DOI: 10.14062/j.issn.0454-5648.20210431
Yuanbo DU, Yong GE. Modeling of Effective Thermal Conductivity of Cement Paste[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 466 -472 . DOI: 10.14062/j.issn.0454-5648.20210431
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Year 2022 volume 50 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20210431
  • Receive Date：2021-05-29
  • Online Date：2026-10-22
  • Published：2022-02-20
Article Data
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History
  • Received：2021-05-29
  • Revised：2021-07-14
Funding
Affiliations
    School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China

Corresponding:

GE Yong (1962-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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