Correlation of Mechanical and Microstructure Development of Early-Age Concrete by Electrical Resistivity Measurement

Jun Chen; Xian Yu Jin; Ye Tian; Nan Guo Jin

doi:10.4028/www.scientific.net/AMM.121-126.1818

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 121-126Correlation of Mechanical and Microstructure...

Correlation of Mechanical and Microstructure Development of Early-Age Concrete by Electrical Resistivity Measurement

Abstract:

In this work, the correlation of mechanical and microstructure development of early-age concrete was studied through electrical resistivity measurement. The inner enhancement of hydration products other than evolution of pore structure was identified as a vital factor for microstructural development of early-age concrete, which embodies in the increase of tortuosity a and significantly contributes to the growth of mechanical properties. Finally, a correlation between compressive strength and two crucial microstructural parameters (effective porosity ϕeff and tortuosity a) was built for the three mixes of concrete studied in this paper.

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Periodical:

Applied Mechanics and Materials (Volumes 121-126)

Pages:

1818-1822

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.121-126.1818

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Online since:

October 2011

Authors:

Jun Chen, Xian Yu Jin, Ye Tian, Nan Guo Jin

Keywords:

Compressive Strength, Early-Aged Concrete, Electrical Resistivity, Tortuosity

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