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Appl. Sci. 2018, 8(2), 151; https://doi.org/10.3390/app8020151

Composite Properties and Micromechanical Analysis of Highly Ductile Cement Composite Incorporating Limestone Powder

1
Department of Civil Engineering, Chungnam National University, Daejeon 34134, Korea
2
School of Architecture, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea
3
Department of Civil Engineering, Chungnam National University, Daejeon 34134, Korea
*
Author to whom correspondence should be addressed.
Received: 22 November 2017 / Revised: 10 January 2018 / Accepted: 18 January 2018 / Published: 23 January 2018
(This article belongs to the Section Materials)
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Abstract

This paper presents the results of an experimental study on the effect of limestone powder on the compressive strength, tensile behavior, and micromechanical parameters of a highly ductile cement composite incorporating limestone powder. Four mixtures were determined according to the replacement ratio of cement with limestone powder. A series of experiments including compressive strength, uniaxial tension, single fiber pullout, and matrix toughness tests were performed. Test results showed that the strength (compressive, initial cracking, and tensile strength) decreased, and that the tensile strain capacity increased, with an increase of the replacement ratio of cement with limestone powder. Micromechanical tests and analysis supported the uniaxial tension test result. View Full-Text
Keywords: composite; ductility; fiber; limestone powder; micromechanical analysis composite; ductility; fiber; limestone powder; micromechanical analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Hyun, J.H.; Lee, B.Y.; Kim, Y.Y. Composite Properties and Micromechanical Analysis of Highly Ductile Cement Composite Incorporating Limestone Powder. Appl. Sci. 2018, 8, 151.

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