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ISSN:
2319-6009 (Online)
Abbreviated title:
Int. J Struct. Civ. Eng. Res.
Editor-in-Chief:
Prof. Eric Strauss
Associate Editor:
Assoc. Prof. Wenxing Zhou
Executive Editor:
Ms. Cherry L. Chen
DOI:
10.18178/ijscer
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etc.
E-mail questions to:
IJSCER Editorial Office
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Editor-in-Chief
Prof. Eric Strauss
Michigan State University, USA
I am very excited to serve as the Editor-in-Chief of the International Journal of Structural and Civil Engineering Research
(IJSCER)
and hope that the publication can enrich the readers’ experience...
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2024-08-27
August 27th, 2024 News! Vol. 13, No. 3, 2024 issue has been published online
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IJSCER will adopt Article-by-Article Work Flow. For the quarterly journal, each issue will be released at the end of the issue month.
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Volume 6, No. 2, May 2017
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Electrical Current Flow and Cement Hydration: Implications on Cement-Based Microstructure
A. Susanto, G. Peng, D. A. Koleva, and K. van Breugel
Faculty of Civil Engineering and Geosciences, Delft University of Technology, Section of Materials and Environment, Stevinweg 1, 2628 CN Delft, Netherlands
Abstract
—Stray current is an electrical current “leakage” from metal conductors and electrical installations. When it flows through cement-based materials, electrical energy is converted to thermal energy that causes increasing temperature due to Joule heating phenomena. The aim of this paper is to shed light on the influence of electrical current flow on cement hydration, thermal properties and pore structure changes of cement-based materials. Calorimetry tests show that degree of cement hydration increases as a results of temperature increase due to electrical current flow through cement-based materials. To evaluate the influence of electrical current on the thermal properties of cement paste, the specific heat of cement paste was calculated based on the degree of cement hydration and temperature development during the hydration process. MIP tests were carried out to quantify changes in the pore structure due to electrical current flow. The results shows that if no other factors are present, leaching is avoided and for relatively early cement hydration age, the electrical current flow accelerates cement hydration, leading to an initial decrease in porosity of the cement paste.
Index Terms
—cement hydration, stray current, Joule heating, temperature, microstructure
Cite: A. Susanto, G. Peng, D. A. Koleva, and K. van Breugel, "Electrical Current Flow and Cement Hydration: Implications on Cement-Based Microstructure," International Journal of Structural and Civil Engineering Research, Vol. 6, No. 2, pp. 75-82, May 2017. doi: 10.18178/ijscer.6.2.75-82
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