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Open AccessArticle

Mechanical Properties of Desert Sand-Based Fiber Reinforced Concrete (DS-FRC)

School of Civil Engineering and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China
*
Author to whom correspondence should be addressed.
Jialing Che and Dan Wang contributed equally.
Appl. Sci. 2019, 9(9), 1857; https://doi.org/10.3390/app9091857
Received: 11 April 2019 / Revised: 28 April 2019 / Accepted: 1 May 2019 / Published: 6 May 2019
(This article belongs to the Section Materials)
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Abstract

This paper presents the study on the properties of high-ductility fiber reinforced concrete made with desert sand from China’s Mu Us desert. The workability and uniaxial tensile/compression properties of undisturbed desert sand-based fiber reinforced concrete (DS-FRC) with the change of water-to-binder ratio (W/B), sand-to-binder ratio (S/B) and desert sand replacement rate (DSRR) were experimentally investigated. Experimental results reveal that the appropriate W/B and desert sand content are conducive to the workability development of DS-FRC. The uniaxial tension/compression properties of DS-FRC are mainly affected by the W/B. Especially, the highest uniaxial tensile/compression stresses and corresponding strains are obtained at the W/B of 0.29. The S/B has similar effects on the uniaxial tensile/compression properties, and an S/B of 0.36 is the optimal ratio. In terms of the DSRR, it shows less effect on the uniaxial tensile/compression properties, even for the DSRR of 100%. The results of the tests indicate that undisturbed desert sand can be used as silica sand in high-ductility fiber reinforced concrete. View Full-Text
Keywords: fiber reinforced concrete; uniaxial tensile/compression properties; experimentally investigated; desert sand fiber reinforced concrete; uniaxial tensile/compression properties; experimentally investigated; desert sand
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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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Che, J.; Wang, D.; Liu, H.; Zhang, Y. Mechanical Properties of Desert Sand-Based Fiber Reinforced Concrete (DS-FRC). Appl. Sci. 2019, 9, 1857.

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