Optimization of the Mechanical and Physical Properties of Lightweight Concrete Reinforced with Date Palm and Sisal Fibers

Maher Chakhari; Nawel Salem; Jamel Neji

doi:10.4028/p-552q8e

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Optimization of the Mechanical and Physical Properties of Lightweight Concrete Reinforced with Date Palm and Sisal Fibers
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 913Optimization of the Mechanical and Physical...

Optimization of the Mechanical and Physical Properties of Lightweight Concrete Reinforced with Date Palm and Sisal Fibers

Abstract:

This work investigates the influence of date palm and sisal fibers on the mechanical and physical behavior of lightweight concrete based on expanded clay aggregates. The choice of these fibers types is aimed at the recovery of agricultural waste in Tunisia. Their exploitation serves to improve the mechanical and physical properties of a new material dedicated to filling and insulation in buildings. In this context, series of tests were carried out using untreated short fibers in lightweight concrete. The evaluation of the mechanical and physical behavior of the material was obtained by determining the compressive strength, bending strength and thermal conductivity. The results obtained showed the influence of the fibers volume fraction. For mechanical behavior, the optimum of fibers volume fraction was estimated at 1% for lightweight concrete with date palm and sisal fibers. The thermal conductivity is inversely proportional to the fibers volume fraction, which justifies the use of this composite as a filling and insulation material.

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Periodical:

Applied Mechanics and Materials (Volume 913)

Pages:

15-22

DOI:

https://doi.org/10.4028/p-552q8e

Citation:

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Online since:

March 2023

Authors:

Maher Chakhari*, Nawel Salem, Jamel Neji

Keywords:

Date Palm Fibers, Fibers Volume Fraction, Lightweight Concrete, Mechanical Properties, Physical Properties, Sisal Fibers

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* - Corresponding Author

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