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Open AccessReview

Natural Kenaf Fiber and LC3 Binder for Sustainable Fiber-Reinforced Cementitious Composite: A Review

1
Department of Manufacturing and Civil Engineering, Norwegian University of Science and Technology (NTNU), 2815 Gjøvik, Norway
2
Civil Engineering Department, Faculty of Engineering, Khorramabad Branch, Islamic Azad University, Khorramabad 6815139417, Iran
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(1), 357; https://doi.org/10.3390/app10010357
Received: 28 October 2019 / Revised: 28 December 2019 / Accepted: 30 December 2019 / Published: 3 January 2020
(This article belongs to the Special Issue Low Binder Concrete and Mortars)
Low impact on the environment and low cost are the key drivers for today’s technology uptake. There are many concerns for cement production in terms of negative environmental impact due to greenhouse gas (GHG) emission, deficiency of raw materials, as well as high energy consumption. Replacement of the cement by appropriate additives known as supplementary cementitious materials (SCMs) could result in reduction in GHG emission. Limestone-calcined clay cement (LC3) is a promising binder in the concrete sector for its improvements to environmental impact, durability, and mechanical properties. On the other hand, the advantages of fiber-reinforced concrete such as improved ductility, versatility, and durability have resulted in increasing demand for this type of concrete and introduction of new standards for considering the mechanical properties of fibers in structural design. Thus, using natural fibers instead of synthetic fibers can be another step toward the sustainability of the concrete industry, which is facing increasing demand for cement-based materials. This review studies the potential of natural Kenaf fiber-reinforced concrete containing LC3 binder as a step toward green cementitious composite. While studies show that energy consumption and GHG emission can be reduced and there is a significant potential to enhance mechanical and durability properties of concrete using this composition, adjustment of the mix design, assessing the long-term performance and standardization, are the next steps for the use of the material in practice. View Full-Text
Keywords: supplementary cementitious materials; natural fiber; LC3; kenaf fiber; mechanical properties; durability; calcined clay; limestone supplementary cementitious materials; natural fiber; LC3; kenaf fiber; mechanical properties; durability; calcined clay; limestone
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Baghban, M.H.; Mahjoub, R. Natural Kenaf Fiber and LC3 Binder for Sustainable Fiber-Reinforced Cementitious Composite: A Review. Appl. Sci. 2020, 10, 357.

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