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The Thermal Deformation of Cement-Based Material at Low Temperatures

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Abstract:

Thermal deformation of concrete at low temperature expands from-20°C to-50°C and contracts from-30°C to-10°C. Based on previous studies, the paper tries to explain the deformaion trend by analyzing freezing point of bulk solution and pore solution in saturated hardened cement paste. The result shows that it is critical to thermal deformation of cement-based materials at low temperature that pore solution in the pores smaller than 8 nm freezes.

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Periodical:

Advanced Materials Research (Volume 1081)

Pages:

279-283

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1081.279

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Online since:

December 2014

Authors:

Nan Zhang*, Juan Liao, Tao Zhang, Wen Zhan Ji

Keywords:

Cement Based Materials, Low Temperature, Pore Solution, Thermal Analysis, Thermal Deformation

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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