The Effect of the Freeze-Thaw Cycles in Nanometer Pores on the Cement Structure

Long Zhou; Xu Liang Hou; Zhong Ping Wang

doi:10.4028/www.scientific.net/AMM.488-489.620

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 488-489The Effect of the Freeze-Thaw Cycles in Nanometer...

The Effect of the Freeze-Thaw Cycles in Nanometer Pores on the Cement Structure

Abstract:

The pore structure of cement-based materials is closely related to the freeze-thaw resistance durability. And this paper focused on nanometer pores to verify the connection of freeze-thaw cycles in the nanometer pores with the structure deterioration and to explore the stress in the pore wall during the freeze-thaw process. And BET method was adopted to analyze the pore structure of the cement and results indicated the changing trends of parameters such as the pore volume, average pore size and surface area of specimens. Moreover, pore size distribution presented prominent fluctuations of pore sizes in the range of 0 ~ 20 nm, while the changes on the scale of 20 ~ 100 nm were limited.

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Periodical:

Applied Mechanics and Materials (Volumes 488-489)

Pages:

620-624

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.488-489.620

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Online since:

January 2014

Authors:

Long Zhou*, Xu Liang Hou, Zhong Ping Wang

Keywords:

BET Method, Freeze-Thaw Cycle, Nanometer Pores, Pore Size, Structure Deterioration

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