Comparison of Thermomechanical Properties of Cement Mortar with Kenaf And Polypropylene Fibers

Zarina Itam; Salmia Beddu; Nur Amalina Nadiah Basri

doi:10.20944/preprints202008.0105.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 31 July 2020 / Approved: 5 August 2020 / Online: 5 August 2020 (02:55:35 CEST)

In the past decades, Fiber Reinforced Concrete has been gaining more attention in the concrete research development. There are many advantages of the inclusion of fiber into reinforced concrete structures. It was found that the inclusion of fibers in concrete, be it synthetic or natural, resulted in the improvement of the thermal properties of concrete, as well as its strength to some extent. However, the inclusion of fibers in concrete does affects its thermo-mechanical properties. The objective of this study is to identify the potential of the addition Polypropylene and Kenaf fibers in cement mortar at different compositions (0.1%, 0.2%, and 0.3%). Eight mixes were analyzed for this purpose. Upon investigating the flow ability, compressive strength, tensile strength, and thermal conductivity of the mortar samples, it was found that the incorporation of PP and Kenaf fibers reduced the flow ability. Cement mortar samples containing 0.1% addition of PP and Kenaf fibers show the highest compressive strength compared to other percentages, while samples containing 0.3% addition of PP and Kenaf fibers show the highest tensile strength compared to other percentages. The thermal conductivity of mortar samples shows reduction when high percentages of both fibers were used.

mono fiber; concrete strength; tensile strength; kenaf; polypropylene

ENGINEERING, Civil Engineering

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Comparison of Thermomechanical Properties of Cement Mortar with Kenaf And Polypropylene Fibers

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