Research of Pore Structure of Phosphoaluminate Cement Paste Using Nitrogen Adsorption Isotherm

Ming Zhang; Zhu Ding; Peng Liu; Ming Ke Wang; Feng Xing

doi:10.4028/www.scientific.net/AMR.129-131.1376

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Research of Pore Structure of Phosphoaluminate Cement Paste Using Nitrogen Adsorption Isotherm
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 129-131Research of Pore Structure of Phosphoaluminate...

Research of Pore Structure of Phosphoaluminate Cement Paste Using Nitrogen Adsorption Isotherm

Abstract:

Phosphoaluminate cement (PAC) sets quickly and develops high early strength. As a novel cementitious material, its hydration mechanism and microstructure are more complex than ordinary cement. Based on nitrogen adsorption isotherm method, investigated characteristic of adsorption isotherm of PAC paste, adsorption loop and pore distribution at different hydration period with various W/C ratio, results show that adsorption and desorption isotherm are tight relate to pore structure and pore distribution. In addition, the study analyzed the scope of application of nitrogen adsorption isotherm method on investigating pore structure of cement paste.

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Periodical:

Advanced Materials Research (Volumes 129-131)

Pages:

1376-1380

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.129-131.1376

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Online since:

August 2010

Authors:

Ming Zhang, Zhu Ding, Peng Liu, Ming Ke Wang, Feng Xing

Keywords:

Hydration, Isotherm, Nitrogen Adsorption, Phosphoaluminate Cement (PAC), Pore Structure

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