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Synergetic effect of recycled E-waste fibers and ceramic waste fine aggregates on the strength of Sustainable high-strength concrete.

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Title: Synergetic effect of recycled E-waste fibers and ceramic waste fine aggregates on the strength of Sustainable high-strength concrete.
Authors: Hamad, Ali Jihad1,2 (AUTHOR) ali@student.usm.my, Al-Saffar, Zaid Hazim2 (AUTHOR), Khalaf, Mohammed A.3 (AUTHOR), Cheah, Chee Ban4 (AUTHOR) cheahcheeban@usm.my
Source: Journal of Sustainable Cement-Based Materials. Jul2026, Vol. 15 Issue 7, p2519-2539. 21p.
Subjects: High strength concrete, Repurposed materials, Flexural strength, Mechanical behavior of materials, Ceramics, Compressive strength, Waste recycling
Abstract: Despite growing interest in sustainable materials, the combined use of E-waste fibers and ceramic waste (CW) in high-strength concrete remains underexplored. Prior studies largely focus on single waste constituents in normal-strength concrete, providing limited insight into synergistic effects. This study addresses this gap by evaluating the fresh and mechanical performance of sustainable high-strength concrete incorporating both materials. This study investigates the effects of E-waste fibers (0.5–2.0% by cement weight) and CW as partial fine aggregate replacement (15–60%). Fresh and mechanical properties were evaluated using a MOORA-based multi-criteria approach. E-waste fibers improved compressive, flexural, and shear strengths up to 1.0%, while higher dosages reduced performance due to workability loss and fiber agglomeration. Optimal stiffness and load-carrying capacity were achieved with 15–30% CW replacement, demonstrating the potential of CW–E-waste fiber composites for sustainable high-strength concrete. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Despite growing interest in sustainable materials, the combined use of E-waste fibers and ceramic waste (CW) in high-strength concrete remains underexplored. Prior studies largely focus on single waste constituents in normal-strength concrete, providing limited insight into synergistic effects. This study addresses this gap by evaluating the fresh and mechanical performance of sustainable high-strength concrete incorporating both materials. This study investigates the effects of E-waste fibers (0.5–2.0% by cement weight) and CW as partial fine aggregate replacement (15–60%). Fresh and mechanical properties were evaluated using a MOORA-based multi-criteria approach. E-waste fibers improved compressive, flexural, and shear strengths up to 1.0%, while higher dosages reduced performance due to workability loss and fiber agglomeration. Optimal stiffness and load-carrying capacity were achieved with 15–30% CW replacement, demonstrating the potential of CW–E-waste fiber composites for sustainable high-strength concrete. [ABSTRACT FROM AUTHOR]
ISSN:21650373
DOI:10.1080/21650373.2026.2649529